【每天一道编程系列-2018.2.9】（Ans）

/**
 * @author: yesr
 * @date: 2018.2.9
 */

import java.util.Scanner;

public class Test0209 {
    private static int number=4;        //输入4个数存放在数组中                   
    private static int[] t1 = new int[number];
    public static void main(String[] args) {
        Test0209 obj = new Test0209();
        obj.sort();
    }
    void sort(){
        System.out.println("请输入4个数：");
        Scanner in_t1 = new Scanner(System.in);//循环输入数组
        for(int i=0;i<number;i++){
            t1[i]=in_t1.nextInt();}
        for (int i = 0; i < t1.length; i++) {
            int pos = i;
            for (int j = i + 1; j < t1.length; j++) {
                if (t1[pos] > t1[j])
                    pos = j;
            }
            if (pos != i) {
                t1[i] = t1[i] + t1[pos];
                t1[pos] = t1[i] - t1[pos];
                t1[i] = t1[i] - t1[pos];
            }
        }

        for (int i = t1.length - 1; i >= 0; i--)
            System.out.print(t1[i] + "\t");
    }
}