53 lines
1.2 KiB
Java
53 lines
1.2 KiB
Java
package Sorts;
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import java.util.Random;
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/**
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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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public class BogoSort implements SortAlgorithm {
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private static final Random random = new Random();
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private static <T extends Comparable<T>> boolean isSorted(T[] array) {
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for (int i = 0; i < array.length - 1; i++) {
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if (SortUtils.less(array[i + 1], array[i])) return false;
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}
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return true;
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}
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// Randomly shuffles the array
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private static <T> void nextPermutation(T[] array) {
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int length = array.length;
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for (int i = 0; i < array.length; i++) {
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int randomIndex = i + random.nextInt(length - i);
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SortUtils.swap(array, randomIndex, i);
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}
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}
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public <T extends Comparable<T>> T[] sort(T[] array) {
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while (!isSorted(array)) {
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nextPermutation(array);
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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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BogoSort bogoSort = new BogoSort();
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// print a sorted array
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SortUtils.print(bogoSort.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(bogoSort.sort(strings));
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}
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}
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