数组排序

package day2;

import java.util.Arrays;

public class MaoPao {
    public static void main(String[] args) {
        int[] a = {3,2,4,6,7,8};
        for (int i = 0; i < a.length-1; i++) {
            for (int j = 0; j < a.length-1-i ; j++) {
                if (a[j]>a[j+1]) {
                    int t=a[j];
                    a[j]=a[j+1];
                    a[j+1]=t;
                }



            }
        }
        System.out.println(Arrays.toString(a));
    }
}

package day2;

import java.util.Arrays;

public class XuanZe {
    public static void main(String[] args) {
        int []a={4,5,3,2,1};
        for (int i = 0; i < a.length-1; i++) {
            for (int j = i+1; j < a.length; j++) {
                if(a[i]>a[j]){
                    int t=a[i];
                    a[i]=a[j];
                    a[j]=t;
                }
            }

        }
        System.out.println(Arrays.toString(a));
    }
}