摘要：package 练习;import java.util.Scanner;public class MyMath {//加法 public int add(int a,int b){ return a+b; }//减法 public int sub(int a,int b){ return a-b;  阅读全文

摘要：package 练习; public class nini { //姓名 private String name; //年龄 private int age; //构造方法 public nini(){ } public nini(String name,int age){ this.name=na 阅读全文

摘要：package ll; class Demo{ public int sum(int a,int b) { return a+b; } }class student{ public void show(){ System.out.println("我热爱学习！"); }}class studentd 阅读全文

摘要：package text;import java.util.Scanner;public class xingxing { public static void main(String args[]){ Scanner sc=new Scanner(System.in); System.out.pr 阅读全文

摘要：package text;import java.util.Scanner;public class yanghuisanjiao { public static void main(String agrs[]){ Scanner sc= new Scanner(System.in); System 阅读全文