JAVA——getter setter

 package org.hanqi.pn0120;

 public class User {

     private int userid;

     private String username;

     private String password;

     public int getUserid() {
         return userid;
     }

     public void setUserid(int userid) {
         this.userid = userid;
     }

     public String getUsername() {
         return username;
     }

     public void setUsername(String username) {
         this.username = username;
     }

     public String getPassword() {
         return password;
     }

     public void setPassword(String password) {
         this.password = password;
     }

     public User(int userid, String username) {
         super();
         this.userid = userid;
         this.username = username;
     }

 }