学习JavaEE的day15

package com.qf.test04; public class User { private String username; private String password; private String nickName; private String name; public User() { } public User(String username, String password, String nickName, String name) { this.username = username; this.password = password; this.nickName = nickName; this.name = name; } 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 String getNickName() { return nickName; } public void setNickName(String nickName) { this.nickName = nickName; } public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public boolean equals(Object obj) { if(this == obj){//比较两个对象的内存地址是否一致 return true; } //两个对象的内存地址不一致 User use = (User) obj;//需要强转 if(this.username.equals(use.username)){//当前对象的账号和传进来对象的账号，此处是String类型的equals() return true; } return false; } @Override public String toString() {//打印所有属性 return this.username + " -- " + this.password + " -- " + this.nickName + " -- " + this.name; } }