package com.user;

public class Test {

public static void main(String[] args) {

// TODO Auto-generated method stub

UserManager use = new UserManager();

User a = new User("Lucy","123456");

User b = new User("Mike","123456");

a.show();

b.show();

System.out.println("===================");

System.out.println(use.checkUser(a, b));

}

}

package com.user;

public class UserManager {

public String checkUser(User one, User two) {

       // 判断用户名是否为空，是否一致

String str = "";

if(one.getName() != null && two.getName()!=null) {

if(one.getName().equals(two.getName())) {

str = "用户名一致";

if(one.getPassword() != null && two.getPassword()!= null) {

if(one.getPassword().equals(two.getPassword())) {

str += "密码一致";

return str;

}else {

str += "密码不一致";

return str;

}

}else {

str = "密码不能为空";

return str;

}

}else {

str = "用户名不一致";

return str;

}

}else {

str = "用户名不能为空";

return str;

}

}

}

package com.user;

public class User {

private String name;

private String password;

User(String name,String password){

this.setName(name);

this.setPassword(password);

}

public String getName() {

return name;

}

private void setName(String name) {

this.name = name;

}

public String getPassword() {

return password;

}

private void setPassword(String password) {

this.password = password;

}

public void show() {

System.out.println("用户名："+ this.name);

System.out.println("用户名："+ this.password);

}

}