Create Atoi Function.java (#3756)

* Create MyAtoi.java

There is a method in C++, which converts String to an Integer, called Atoi function, this is my own implementation of this function.

* Update directory

* Update MyAtoi.java

* Create MyAtoiTest.java

* Update directory

* Update directory

* Update directory

* Update MyAtoi.java

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Debasish Biswas <debasishbsws.abc@gmail.com>
This commit is contained in:
Aidar Djamalbek 2022-11-01 17:04:14 +06:00 committed by GitHub
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commit fea982d54d
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3 changed files with 235 additions and 61 deletions

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@ -150,6 +150,7 @@
* [BSTRecursiveGeneric](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/BSTRecursiveGeneric.java)
* [CeilInBinarySearchTree](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/CeilInBinarySearchTree.java)
* [CheckIfBinaryTreeBalanced](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/CheckIfBinaryTreeBalanced.java)
* [CheckTreeIsSymmetric](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/CheckTreeIsSymmetric.java)
* [CreateBinaryTreeFromInorderPreorder](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/CreateBinaryTreeFromInorderPreorder.java)
* [CreateBSTFromSortedArray](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/CreateBSTFromSortedArray.java)
* [FenwickTree](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/FenwickTree.java)
@ -169,6 +170,8 @@
* [ValidBSTOrNot](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/ValidBSTOrNot.java)
* [VerticalOrderTraversal](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/datastructures/trees/VerticalOrderTraversal.java)
* devutils
* entities
* [ProcessDetails](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/entities/ProcessDetails.java)
* nodes
* [LargeTreeNode](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/nodes/LargeTreeNode.java)
* [Node](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/nodes/Node.java)
@ -176,6 +179,7 @@
* [SimpleTreeNode](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/nodes/SimpleTreeNode.java)
* [TreeNode](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/nodes/TreeNode.java)
* searches
* [MatrixSearchAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/searches/MatrixSearchAlgorithm.java)
* [SearchAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/devutils/searches/SearchAlgorithm.java)
* divideandconquer
* [BinaryExponentiation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/divideandconquer/BinaryExponentiation.java)
@ -215,6 +219,7 @@
* [RegexMatching](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/RegexMatching.java)
* [RodCutting](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/RodCutting.java)
* [ShortestCommonSupersequenceLength](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/ShortestCommonSupersequenceLength.java)
* [SubsetCount](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/SubsetCount.java)
* [SubsetSum](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/SubsetSum.java)
* [Sum Of Subset](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/Sum_Of_Subset.java)
* [UniquePaths](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/dynamicprogramming/UniquePaths.java)
@ -307,7 +312,9 @@
* [StandardScore](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/StandardScore.java)
* [SumOfArithmeticSeries](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/SumOfArithmeticSeries.java)
* [SumOfDigits](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/SumOfDigits.java)
* [SumWithoutArithmeticOperators](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/SumWithoutArithmeticOperators.java)
* [TrinomialTriangle](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/TrinomialTriangle.java)
* [TwinPrime](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/TwinPrime.java)
* [VampireNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/VampireNumber.java)
* [VectorCrossProduct](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/VectorCrossProduct.java)
* [Volume](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/Volume.java)
@ -329,58 +336,60 @@
* [TwoSumProblem](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/misc/TwoSumProblem.java)
* [WordBoggle](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/misc/WordBoggle.java)
* others
* cn
* [HammingDistance](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/cn/HammingDistance.java)
* [ArrayLeftRotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ArrayLeftRotation.java)
* [BankersAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BankersAlgorithm.java)
* [BFPRT](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BFPRT.java)
* [BoyerMoore](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BoyerMoore.java)
* [BrianKernighanAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BrianKernighanAlgorithm.java)
* [CountChar](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CountChar.java)
* [countSetBits](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/countSetBits.java)
* [CountWords](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CountWords.java)
* [CRC32](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CRC32.java)
* [CRCAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CRCAlgorithm.java)
* [Damm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Damm.java)
* [Dijkstra](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Dijkstra.java)
* [EulersFunction](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/EulersFunction.java)
* [FibbonaciSeries](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/FibbonaciSeries.java)
* [FloydTriangle](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/FloydTriangle.java)
* [GuassLegendre](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/GuassLegendre.java)
* [HappyNumbersSeq](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/HappyNumbersSeq.java)
* [Huffman](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Huffman.java)
* [Implementing auto completing features using trie](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Implementing_auto_completing_features_using_trie.java)
* [InsertDeleteInArray](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/InsertDeleteInArray.java)
* [KMP](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/KMP.java)
* [KochSnowflake](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/KochSnowflake.java)
* [Krishnamurthy](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Krishnamurthy.java)
* [LinearCongruentialGenerator](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/LinearCongruentialGenerator.java)
* [LowestBasePalindrome](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/LowestBasePalindrome.java)
* [Luhn](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Luhn.java)
* [Mandelbrot](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Mandelbrot.java)
* [MemoryManagementAlgorithms](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/MemoryManagementAlgorithms.java)
* [MiniMaxAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/MiniMaxAlgorithm.java)
* [PageRank](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/PageRank.java)
* [PasswordGen](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/PasswordGen.java)
* [PerlinNoise](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/PerlinNoise.java)
* [QueueUsingTwoStacks](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/QueueUsingTwoStacks.java)
* [RabinKarp](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RabinKarp.java)
* [RemoveDuplicateFromString](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RemoveDuplicateFromString.java)
* [ReturnSubsequence](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ReturnSubsequence.java)
* [ReverseStackUsingRecursion](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ReverseStackUsingRecursion.java)
* [RootPrecision](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RootPrecision.java)
* [RotateMatriceBy90Degree](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RotateMatriceBy90Degree.java)
* [SieveOfEratosthenes](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/SieveOfEratosthenes.java)
* [SJF](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/SJF.java)
* [SkylineProblem](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/SkylineProblem.java)
* [StackPostfixNotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/StackPostfixNotation.java)
* [StringMatchFiniteAutomata](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/StringMatchFiniteAutomata.java)
* [Sudoku](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Sudoku.java)
* [ThreeSum](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ThreeSum.java)
* [TopKWords](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/TopKWords.java)
* [TowerOfHanoi](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/TowerOfHanoi.java)
* [TwoPointers](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/TwoPointers.java)
* [Verhoeff](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Verhoeff.java)
* [ArrayLeftRotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ArrayLeftRotation.java)
* [BankersAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BankersAlgorithm.java)
* [BFPRT](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BFPRT.java)
* [BoyerMoore](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BoyerMoore.java)
* [BrianKernighanAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BrianKernighanAlgorithm.java)
* cn
* [HammingDistance](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/cn/HammingDistance.java)
* [CountChar](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CountChar.java)
* [countSetBits](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/countSetBits.java)
* [CountWords](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CountWords.java)
* [CRC32](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CRC32.java)
* [CRCAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/CRCAlgorithm.java)
* [Damm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Damm.java)
* [Dijkstra](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Dijkstra.java)
* [EulersFunction](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/EulersFunction.java)
* [FibbonaciSeries](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/FibbonaciSeries.java)
* [FloydTriangle](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/FloydTriangle.java)
* [GuassLegendre](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/GuassLegendre.java)
* [HappyNumbersSeq](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/HappyNumbersSeq.java)
* [Huffman](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Huffman.java)
* [Implementing auto completing features using trie](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Implementing_auto_completing_features_using_trie.java)
* [InsertDeleteInArray](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/InsertDeleteInArray.java)
* [KMP](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/KMP.java)
* [KochSnowflake](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/KochSnowflake.java)
* [Krishnamurthy](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Krishnamurthy.java)
* [LinearCongruentialGenerator](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/LinearCongruentialGenerator.java)
* [LowestBasePalindrome](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/LowestBasePalindrome.java)
* [Luhn](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Luhn.java)
* [Mandelbrot](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Mandelbrot.java)
* [MemoryManagementAlgorithms](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/MemoryManagementAlgorithms.java)
* [MiniMaxAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/MiniMaxAlgorithm.java)
* [PageRank](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/PageRank.java)
* [PasswordGen](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/PasswordGen.java)
* [PerlinNoise](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/PerlinNoise.java)
* [QueueUsingTwoStacks](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/QueueUsingTwoStacks.java)
* [RabinKarp](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RabinKarp.java)
* [RemoveDuplicateFromString](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RemoveDuplicateFromString.java)
* [ReturnSubsequence](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ReturnSubsequence.java)
* [ReverseStackUsingRecursion](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ReverseStackUsingRecursion.java)
* [RootPrecision](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RootPrecision.java)
* [RotateMatriceBy90Degree](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/RotateMatriceBy90Degree.java)
* [SieveOfEratosthenes](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/SieveOfEratosthenes.java)
* [SJF](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/SJF.java)
* [SkylineProblem](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/SkylineProblem.java)
* [StackPostfixNotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/StackPostfixNotation.java)
* [StringMatchFiniteAutomata](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/StringMatchFiniteAutomata.java)
* [Sudoku](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Sudoku.java)
* [ThreeSum](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ThreeSum.java)
* [TopKWords](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/TopKWords.java)
* [TowerOfHanoi](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/TowerOfHanoi.java)
* [TwoPointers](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/TwoPointers.java)
* [Verhoeff](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/Verhoeff.java)
* scheduling
* [FCFSScheduling](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/scheduling/FCFSScheduling.java)
* searches
* [BinarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/BinarySearch.java)
* [BinarySearch2dArray](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/BinarySearch2dArray.java)
@ -401,6 +410,7 @@
* [PerfectBinarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/PerfectBinarySearch.java)
* [QuickSelect](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/QuickSelect.java)
* [RabinKarpAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/RabinKarpAlgorithm.java)
* [RowColumnWiseSorted2dArrayBinarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/RowColumnWiseSorted2dArrayBinarySearch.java)
* [SaddlebackSearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/SaddlebackSearch.java)
* [SquareRootBinarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/SquareRootBinarySearch.java)
* [TernarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/TernarySearch.java)
@ -419,11 +429,12 @@
* [CountingSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/CountingSort.java)
* [CycleSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/CycleSort.java)
* [DNFSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/DNFSort.java)
* [DualPivotQuickSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/DualPivotQuickSort.java)
* [DutchNationalFlagSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/DutchNationalFlagSort.java)
* [GnomeSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/GnomeSort.java)
* [HeapSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/HeapSort.java)
* [InsertionSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/InsertionSort.java)
* [LinkList Sort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/LinkList_Sort.java)
* [LinkListSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/LinkListSort.java)
* [MergeSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/MergeSort.java)
* [MergeSortNoExtraSpace](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/MergeSortNoExtraSpace.java)
* [MergeSortRecursive](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/MergeSortRecursive.java)
@ -454,36 +465,53 @@
* [HammingDistance](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/HammingDistance.java)
* [HorspoolSearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/HorspoolSearch.java)
* [Isomorphic](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Isomorphic.java)
* [List all Possible Words From Phone Digits](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/List_all_Possible_Words_From_Phone_Digits.java)
* [LetterCombinationsOfPhoneNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/LetterCombinationsOfPhoneNumber.java)
* [longestNonRepeativeSubstring](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/longestNonRepeativeSubstring.java)
* [LongestPalindromicSubstring](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/LongestPalindromicSubstring.java)
* [Lower](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Lower.java)
* [MyAtoi](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/MyAtoi.java)
* [Palindrome](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Palindrome.java)
* [Pangram](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Pangram.java)
* [PermuteString](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/PermuteString.java)
* [ReverseString](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/ReverseString.java)
* [ReverseStringRecursive](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/ReverseStringRecursive.java)
* [Rotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Rotation.java)
* [Upper](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Upper.java)
* [WordLadder](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/WordLadder.java)
* zigZagPattern
* [zigZagPattern](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/zigZagPattern/zigZagPattern.java)
* test
* java
* com
* thealgorithms
* backtracking
* [CombinationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/backtracking/CombinationTest.java)
* [FloodFillTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/backtracking/FloodFillTest.java)
* [MazeRecursionTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/backtracking/MazeRecursionTest.java)
* [PermutationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/backtracking/PermutationTest.java)
* [PowerSumTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/backtracking/PowerSumTest.java)
* ciphers
* a5
* [LFSRTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/ciphers/a5/LFSRTest.java)
* [BlowfishTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/ciphers/BlowfishTest.java)
* [CaesarTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/ciphers/CaesarTest.java)
* [PolybiusTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/ciphers/PolybiusTest.java)
* [RSATest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/ciphers/RSATest.java)
* [VigenereTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/ciphers/VigenereTest.java)
* conversions
* [BinaryToDecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/BinaryToDecimalTest.java)
* [BinaryToHexadecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/BinaryToHexadecimalTest.java)
* [BinaryToOctalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/BinaryToOctalTest.java)
* [DecimalToHexaDecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/DecimalToHexaDecimalTest.java)
* [HexaDecimalToBinaryTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/HexaDecimalToBinaryTest.java)
* [HexaDecimalToDecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/HexaDecimalToDecimalTest.java)
* [HexToOctTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/HexToOctTest.java)
* [IntegerToRomanTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/IntegerToRomanTest.java)
* [OctalToDecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/OctalToDecimalTest.java)
* [OctalToHexadecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/OctalToHexadecimalTest.java)
* [RomanToIntegerTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/RomanToIntegerTest.java)
* datastructures
* bloomfilter
* [BloomFilterTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/bloomfilter/BloomFilterTest.java)
* buffers
* [CircularBufferTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/buffers/CircularBufferTest.java)
* caches
* [LFUCacheTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/caches/LFUCacheTest.java)
* [LRUCacheTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/caches/LRUCacheTest.java)
@ -500,8 +528,18 @@
* lists
* [SkipListTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/lists/SkipListTest.java)
* trees
* [CeilInBinarySearchTreeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/trees/CeilInBinarySearchTreeTest.java)
* [CheckTreeIsSymmetricTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/trees/CheckTreeIsSymmetricTest.java)
* [KDTreeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/trees/KDTreeTest.java)
* [LazySegmentTreeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/trees/LazySegmentTreeTest.java)
* [TreeTestUtils](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/datastructures/trees/TreeTestUtils.java)
* divideandconquer
* [BinaryExponentiationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/divideandconquer/BinaryExponentiationTest.java)
* [StrassenMatrixMultiplicationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/divideandconquer/StrassenMatrixMultiplicationTest.java)
* dynamicprogramming
* [CatalanNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/dynamicprogramming/CatalanNumberTest.java)
* [EggDroppingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/dynamicprogramming/EggDroppingTest.java)
* [SubsetCountTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/dynamicprogramming/SubsetCountTest.java)
* maths
* [AbsoluteMaxTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AbsoluteMaxTest.java)
* [AbsoluteMinTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AbsoluteMinTest.java)
@ -509,6 +547,7 @@
* [ADTFractionTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/ADTFractionTest.java)
* [AliquotSumTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AliquotSumTest.java)
* [AmicableNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AmicableNumberTest.java)
* [AreaTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AreaTest.java)
* [ArmstrongTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/ArmstrongTest.java)
* [AutomorphicNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AutomorphicNumberTest.java)
* [AverageTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/AverageTest.java)
@ -519,6 +558,7 @@
* [CombinationsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/CombinationsTest.java)
* [DigitalRootTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/DigitalRootTest.java)
* [DistanceFormulaTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/DistanceFormulaTest.java)
* [DudeneyNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/DudeneyNumberTest.java)
* [FactorialTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/FactorialTest.java)
* [FastInverseSqrtTests](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/FastInverseSqrtTests.java)
* [FFTTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/FFTTest.java)
@ -533,8 +573,10 @@
* [LiouvilleLambdaFunctionTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/LiouvilleLambdaFunctionTest.java)
* [MobiusFunctionTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/MobiusFunctionTest.java)
* [PascalTriangleTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PascalTriangleTest.java)
* [PerfectCubeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PerfectCubeTest.java)
* [PerfectNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PerfectNumberTest.java)
* [PerfectSquareTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PerfectSquareTest.java)
* [perimeterTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/perimeterTest.java)
* [PerimeterTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PerimeterTest.java)
* [PollardRhoTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PollardRhoTest.java)
* [PrimeCheckTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PrimeCheckTest.java)
* [PrimeFactorizationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PrimeFactorizationTest.java)
@ -545,13 +587,17 @@
* [StandardDeviationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/StandardDeviationTest.java)
* [StandardScoreTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/StandardScoreTest.java)
* [SumOfDigitsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/SumOfDigitsTest.java)
* [SumWithoutArithmeticOperatorsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/SumWithoutArithmeticOperatorsTest.java)
* [TestArmstrong](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/TestArmstrong.java)
* [TwinPrimeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/TwinPrimeTest.java)
* [VolumeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/VolumeTest.java)
* others
* cn
* [HammingDistanceTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/cn/HammingDistanceTest.java)
* [ArrayLeftRotationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/ArrayLeftRotationTest.java)
* [BestFitCPUTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/BestFitCPUTest.java)
* [CalculateMaxOfMinTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/CalculateMaxOfMinTest.java)
* cn
* [HammingDistanceTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/cn/HammingDistanceTest.java)
* [CountCharTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/CountCharTest.java)
* [CountFriendsPairingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/CountFriendsPairingTest.java)
* [countSetBitsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/countSetBitsTest.java)
* [FirstFitCPUTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/FirstFitCPUTest.java)
@ -562,18 +608,25 @@
* [PasswordGenTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/PasswordGenTest.java)
* [UniquePathsTests](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/UniquePathsTests.java)
* [WorstFitCPUTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/WorstFitCPUTest.java)
* scheduling
* [FCFSSchedulingTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/scheduling/FCFSSchedulingTest.java)
* searches
* [BinarySearch2dArrayTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/BinarySearch2dArrayTest.java)
* [HowManyTimesRotatedTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/HowManyTimesRotatedTest.java)
* [KMPSearchTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/KMPSearchTest.java)
* [QuickSelectTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/QuickSelectTest.java)
* [RabinKarpAlgorithmTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/RabinKarpAlgorithmTest.java)
* [RowColumnWiseSorted2dArrayBinarySearchTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/RowColumnWiseSorted2dArrayBinarySearchTest.java)
* sorts
* [BinaryInsertionSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/BinaryInsertionSortTest.java)
* [BogoSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/BogoSortTest.java)
* [BubbleSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/BubbleSortTest.java)
* [DualPivotQuickSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/DualPivotQuickSortTest.java)
* [DutchNationalFlagSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/DutchNationalFlagSortTest.java)
* [MergeSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/MergeSortTest.java)
* [QuickSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/QuickSortTest.java)
* [SelectionSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/SelectionSortTest.java)
* [SlowSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/SlowSortTest.java)
* [StrandSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/StrandSortTest.java)
* [TopologicalSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/TopologicalSortTest.java)
* [WiggleSortTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/sorts/WiggleSortTest.java)
@ -582,11 +635,19 @@
* [AnagramsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/AnagramsTest.java)
* [CharacterSameTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/CharacterSameTest.java)
* [CheckAnagramsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/CheckAnagramsTest.java)
* [CheckVowelsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/CheckVowelsTest.java)
* [HammingDistanceTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/HammingDistanceTest.java)
* [IsomorphicTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/IsomorphicTest.java)
* [LetterCombinationsOfPhoneNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/LetterCombinationsOfPhoneNumberTest.java)
* [longestNonRepeativeSubstringTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/longestNonRepeativeSubstringTest.java)
* [LowerTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/LowerTest.java)
* [MyAtoiTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/MyAtoiTest.java)
* [PalindromeTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/PalindromeTest.java)
* [PangramTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/PangramTest.java)
* [ReverseStringRecursiveTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/ReverseStringRecursiveTest.java)
* [ReverseStringTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/ReverseStringTest.java)
* [RotationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/RotationTest.java)
* [UpperTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/UpperTest.java)
* [WordLadderTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/WordLadderTest.java)
* zigZagPattern
* [zigZagPatternTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/strings/zigZagPattern/zigZagPatternTest.java)

View File

@ -0,0 +1,88 @@
// Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer (similar to C/C++'s atoi function). Here is my implementation
package com.thealgorithms.strings;
public class MyAtoi {
public static int myAtoi(String s) {
s = s.trim();
char[] char_1 = s.toCharArray();
String number = "";
boolean negative = false;
boolean zero = false;
boolean isDigit = false;
for (char ch : char_1) {
if (Character.isDigit(ch)) {
if (number.length() > 1 && !isDigit) {
number = "0";
break;
}
isDigit = true;
if (zero) {
number = "0";
break;
}
switch (ch) {
case '0' -> number += ch;
case '1' -> number += ch;
case '2' -> number += ch;
case '3' -> number += ch;
case '4' -> number += ch;
case '5' -> number += ch;
case '6' -> number += ch;
case '7' -> number += ch;
case '8' -> number += ch;
case '9' -> number += ch;
}
} else if (ch == '-' && !isDigit) {
number += "0";
negative = true;
} else if (ch == '+' && !isDigit) {
number += "0";
} else if (ch == '.' && isDigit) {
break;
} else if (ch == '.') {
zero = true;
} else {
if (!isDigit) {
number = "0";
}
break;
}
}
if (!isDigit) {
return 0;
}
number = number.replaceFirst("^0+(?!$)", "");
if (number.length() > 10 && negative) {
return -2147483648;
} else if (number.length() > 10) {
return 2147483647;
} else if (number.length() == 10 && negative) {
double db1 = Double.parseDouble(number);
if (db1 >= 2147483648d) {
return -2147483648;
}
} else if (number.length() == 10) {
double db1 = Double.parseDouble(number);
if (db1 > (2147483647)) {
return 2147483647;
}
}else if (number.length() == 10 && negative) {
double db1 = Double.parseDouble(number);
if (db1 >= 2147483648d) {
return -2147483648;
}
}
if(negative){
return Integer.parseInt(number)*-1;
}
return Integer.parseInt(number);
}
}

View File

@ -0,0 +1,25 @@
package com.thealgorithms.strings;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class MyAtoiTest {
@Test
void testOne() {
assertEquals(42, MyAtoi.myAtoi("42"));
}
@Test
void testTwo() {
assertEquals(-42, MyAtoi.myAtoi(" -42"));
}
@Test
void testThree() {
assertEquals(4193, MyAtoi.myAtoi("4193 with words"));
}
}