66 lines
1.6 KiB
Java
66 lines
1.6 KiB
Java
package Sorts;
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/**
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*
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* @author Mateus Bizzo (https://github.com/MattBizzo)
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* @author Podshivalov Nikita (https://github.com/nikitap492)
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*
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*/
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class CocktailShakerSort implements SortAlgorithm {
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/**
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* This method implements the Generic Cocktail Shaker Sort
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*
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* @param array The array to be sorted
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* Sorts the array in increasing order
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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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int length = array.length;
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int left = 0;
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int right = length - 1;
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int swappedLeft, swappedRight;
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while (left < right) {
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// front
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swappedRight = 0;
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for (int i = left; i < right; i++) {
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if (SortUtils.less(array[i + 1], array[i])) {
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SortUtils.swap(array, i, i + 1);
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swappedRight = i;
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}
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}
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// back
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right = swappedRight;
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swappedLeft = length - 1;
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for (int j = right; j > left; j--) {
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if (SortUtils.less(array[j], array[j - 1])) {
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SortUtils.swap(array, j - 1, j);
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swappedLeft = j;
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}
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}
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left = swappedLeft;
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}
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return array;
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}
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// Driver Program
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public static void main(String[] args) {
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// Integer Input
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Integer[] integers = { 4, 23, 6, 78, 1, 54, 231, 9, 12 };
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CocktailShakerSort shakerSort = new CocktailShakerSort();
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// Output => 1 4 6 9 12 23 54 78 231
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SortUtils.print(shakerSort.sort(integers));
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// String Input
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String[] strings = { "c", "a", "e", "b", "d" };
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SortUtils.print(shakerSort.sort(strings));
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}
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}
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