2019-07-29

代码块
```package com.fornknow.oop;

import java.util.Scanner;

import javax.print.DocFlavor.INPUT_STREAM;

public class MethodDemo3 {
    public void m1(String name){
        System.out.println(name);
    }
    public String m2(){
        String username="tom";
        return username;
    }
    public void m3(Student s){
        System.out.println(s.age+"----"+s.sid);
    }
    public void m4(Scanner input){
        System.out.println(input.nextInt());
    }
//    public Student m6(){
////        Student student=new student();
////        student.name="mm";
////        return student;
////    }
    public Student m7(Student student){
//      Student student=new student();
//      student.name="mm";
        return student;
    }
  public boolean re(Users user){
      System.out.println(user.getEmail());
      return false;
  }
    public static void main(String[] args) {
        MethodDemo3 m=new MethodDemo3();
//      Student ss=m.m6();
//      System.out.println(ss.name);
        Users user=new Users();
        user.setEmail("1234");
        m.re(user);
        Student sss=new Student();
        sss.name="lisa";
        Student ss1=m.m7(sss);
        System.out.println(ss1.name);
        
        
        
   
        
        m.m1("abc");
        String a=m.m2();
        System.out.println(a);
        Student s=new Student() ;
        s.age=10;
        s.sid=11;
        m.m3(s);
        Scanner b=new Scanner(System.in);
//      b.nextInt();
        m.m4(b);
        
    }
}

代码块

public class MethondDmno4 {
    public  void m1(){
        System.out.println("m1.........");
    }
    public  void m2(){
        System.out.println("m2.........");
    }
    public  void m3(){
        MethodDemo3 demo3=new MethodDemo3();
        Student s=new Student();
        demo3.m3(s);
        
    }
    public static void main(String[] args) {
         MethondDmno4 m=new  MethondDmno4();
         m.m2();
         m.m3();
    }
}