package yhm;

public class UserManager{
    // 用户信息验证的方法
    public void checkUser(User one, User two) {
       // 判断用户名和密码是否为空，是否一致
       if(one.getusername().equals(two.getusername())&&one.getpassword().equals(two.getpassword())){
           System.out.println("登录成功");
       }else{
           System.out.println("用户名或密码不一致");
       }


    }
}  

package yhm;

public class User{
    //定义属性用户名、密码
    private String username;
    private String password;
    
    public void setusername(String name){
        this.username=name;
    }
    public String getusername(){
        return username;
    }
    
    public void setpassword(String password){
        this.password=password;
    }
    public String getpassword(){
        return password;
    }
}

package yhm;
public class Test{
    // 测试方法
    public static void main(String[] args) {
     //实例化对象，调用相关方法实现运行效果
     User one = new User();
     one.setusername("Lucy");
     one.setpassword("123456");
     User two = new User();
     two.setusername("Lucy");
     two.setpassword("123456");
     
     System.out.println("用户名"+one.getusername());
     System.out.println("密码"+one.getpassword());
     System.out.println("用户名"+two.getusername());
     System.out.println("密码"+two.getpassword());
     
     UserManager um = new UserManager();
     um.checkUser(one,two);
    }
}