Bubble Sort

public class BubbleSort {
    public static void main(String[] args) {
        int[] arr = {64, 34, 25, 12, 22, 11, 90};
        int n = arr.length;
        for (int i = 0; i < n-1; i++)
            for (int j = 0; j < n-i-1; j++)
                if (arr[j] > arr[j+1]) {
                    int t = arr[j]; arr[j] = arr[j+1]; arr[j+1] = t;
                }
        for (int x : arr) System.out.print(x + " ");
    }
}