哪些小练习适合进行日常巩固？

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javapackage com.zj;

import java.util.Scanner;

public class zy10 { public static void main(String[] args) { Scanner s=new Scanner(System.in); System.out.println(请输入); int n=s.nextInt(); int n1=n / 100; int n2=(n % 100) / 10; }}

package com.zj;

import java.util.Scanner;

public class zy10 { //水仙花数 public static void main(String[] args) { Scanner s=new Scanner (System.in);

System.out.println("请输入"); int n=s.nextInt(); int n1 = n / 100; int n2 = n % 100 / 10; int n3 = n % 10; if(n1 * n1 * n1 + n2 * n2 * n2 + n3 * n3 * n3 == n) { System.out.println(n + "是水仙花数"); } else { System.out.println(n + "不是水仙花数"); } }

}