job

package com.study.month8.job07;

import java.util.ArrayList;
import java.util.Random;

/*1.向list集合中存储10个1-100之间的随机数.要求元素不能重复.
                2.使用冒泡排序把集合中的元素按照从小到大排序.
                3.使用带索引的for循环遍历集合输出元素.*/
public class job02 {
    public static void main(String[] args) {
        Random r = new Random();
        ArrayList<Integer> arrayList = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            arrayList.add(r.nextInt(100) + 1);
        }
        System.out.println(arrayList);
        System.out.println("-----------------");
        show(arrayList);
        getarr(arrayList);
    }

    private static void getarr(ArrayList<Integer> arrayList) {
        for (int i = 0; i < arrayList.size(); i++) {
            System.out.print(arrayList.get(i) + ",   ");
        }
        System.out.println();
        System.out.println("-------------------------------");
    }

    public static void show(ArrayList<Integer> arrayList) {
        for (int i = 0; i < arrayList.size(); i++) {
            for (int j = i + 1; j < arrayList.size(); j++) {
                Integer num = 0;
                if (arrayList.get(i) > arrayList.get(j)) {
                    num = arrayList.get(i);
                    arrayList.set(i, arrayList.get(j));
                    arrayList.set(j, num);
                }
            }
        }
        System.out.println(arrayList);
        System.out.println("----------------------");
    }
}