class Main {
public static void main(String[] args) {
int[] arr = {64, 34, 25, 12, 22, 11, 90};
bubbleSort(arr);
for(int i=0;i<7;i++){
System.out.print(arr[i]+" ");
}
}
static void bubbleSort(int[] arr) {
int n = arr.length;
for (int i = 0; i < n; i++) {
// 每轮遍历将最大的数移到末尾
for (int j = 0; j < n - i - 1; j++) {
if (arr[j] > arr[j+1]) {
int temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
}
}