package org.example;
import java.util.Arrays;
public class MyDemo {
public static void main(String[] args) {
//模拟冒泡排序
int[] arr = {12,31,2,56,43,67,43,21};
System.out.println("sort start:" + Arrays.toString(arr));
for (int i = 0; i < arr.length - 1; i++) {//控制趟数
for (int j = 0; j < arr.length - 1 - i; j++) {//控制次数
//比较相邻元素的值
if(arr[j] > arr[j+1]){
int t = arr[j];
arr[j] = arr[j+1];
arr[j+1] = t;
}
}
System.out.println(Arrays.toString(arr));
}
System.out.println("sort end:" + Arrays.toString(arr));
}
}
