import java.util.Arrays;
public class MaoPaoDemo {
public static void main(String[] args) {
int[] arr = {2,7,4,8,3,2,3,10,4};
// 循环9次
for (int i = 1;i<arr.length;i++){
// 每一次循环少一次
for (int j = 0;j<arr.length-i;j++){
if (arr[j] > arr[j+1]){
int tem = arr[j];
arr[j] = arr[j+1];
arr[j+1] = tem;
}
}
}
System.out.println("数组为"+ Arrays.toString(arr));
}
}