应该用什么循环最方便= =，和怎么个算法
package zh.codegym.task.task04.task0420;
/*
对三个数字进行排序
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
//在此编写你的代码
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String num1 = reader.readLine();
String num2 = reader.readLine();
String num3 = reader.readLine();
int n1 =Integer.parseInt(num1);
int n2 =Integer.parseInt(num2);
int n3 =Integer.parseInt(num3);
}
}