public class BubbleSort {
public static void main(String[] args) {
int[] array = new int[]{5, 3, 9, 1, 6, 4, 10, 2, 8, 7, 15, 3, 2};
System.out.println("Before: " + Arrays.toString(array));
sort(array);
System.out.println("After: " + Arrays.toString(array));
}
public static void sort(int[] arr) {
int len = arr.length;
for (int i = len; i >= 0; i--) {
for (int j = 0; j < i; j++) {
if (arr[j] > arr[j + 1]) {
swap(arr, j, j + 1);
}
}
}
}
private static void swap(int[] arr, int i, int j) {
int tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
}
}