23c12f7141
* Update bubble sort algorithm
* fixed checkstyle
* Formatted with Google Java Formatter
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
56 lines
1.4 KiB
Java
56 lines
1.4 KiB
Java
package Sorts;
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import static Sorts.SortUtils.*;
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/**
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* @author Varun Upadhyay (https://github.com/varunu28)
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* @author Podshivalov Nikita (https://github.com/nikitap492)
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* @see SortAlgorithm
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*/
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class BubbleSort implements SortAlgorithm {
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/**
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* Implements generic bubble sort algorithm.
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*
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* @param array the array to be sorted.
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* @param <T> the type of elements in the array.
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* @return the sorted array.
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*/
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@Override
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public <T extends Comparable<T>> T[] sort(T[] array) {
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for (int i = 0, size = array.length; i < size - 1; ++i) {
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boolean swapped = false;
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for (int j = 0; j < size - 1 - i; ++j) {
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if (greater(array[j], array[j + 1])) {
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swap(array, j, j + 1);
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swapped = true;
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}
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}
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if (!swapped) {
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break;
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}
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}
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return array;
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}
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/** Driver Code */
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public static void main(String[] args) {
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Integer[] integers = {4, 23, 6, 78, 1, 54, 231, 9, 12};
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BubbleSort bubbleSort = new BubbleSort();
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bubbleSort.sort(integers);
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for (int i = 0; i < integers.length - 1; ++i) {
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assert integers[i] <= integers[i + 1];
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}
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print(integers); /* output: [1, 4, 6, 9, 12, 23, 54, 78, 231] */
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String[] strings = {"c", "a", "e", "b", "d"};
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bubbleSort.sort(strings);
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for (int i = 0; i < strings.length - 1; i++) {
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assert strings[i].compareTo(strings[i + 1]) <= 0;
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}
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print(bubbleSort.sort(strings)); /* output: [a, b, c, d, e] */
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}
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}
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