排序(冒泡, 选择)

1.创建数组

2.随机分配

3.去重

4.排序

5.输出

 

package com.Tools;

public class Test1 {
    public static void main(String[] args) {
        int n = 10;
        int a[] = new int[n];
        for (int i = 0; i < a.length; i++) {
            a[i] = (int) (Math.random() * 10 + 1);
            for (int j = 0; j < i; j++) {
                if (a[j] == a[i]) {
                    i--;
                    break;
                }
            }
            //
        }
        for (int i : a) {
            System.out.print(i + ", ");
        }
        System.out.println();
        for (int i = 0; i < a.length; i++) {
            for (int j = 1; j < a.length; j++) {
                if (a[j - 1] > a[j] ) {
                    int t = a[j - 1];
                    a[j - 1] = a[j];
                    a[j] = t;
                }
            }
        }
        for (int i : a) {
            System.out.print(i + ", ");
        }
    }
}

 

 

注意:

去重时先输入随机数,再去重,注意顺序,否则失效

posted on 2022-06-11 17:04  Hex酱  阅读(23)  评论(0)    收藏  举报

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