import java.util.Arrays;
class Solution {
public static void main(String[] args) {
int[] arr = {7,8,6,5,4,3,2,1,3};
bubbleSort(arr);
System.out.println(Arrays.toString(arr));
}
public static void bubbleSort(int[] arr){
boolean flag = false;
for (int i = 0;i < arr.length;i ++){
for (int j = 0;j < arr.length - 1 - i;j ++){
if (arr[j] > arr[j + 1]){
swap(arr,j,j + 1);
flag = true;
}
}
if (! flag){
break;
}
}
}
public static void swap(int[] arr,int i,int j){
int tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
}
}