第六次java作业

class Check{
public boolean validate(String name,String password){
if(name.equals("chenyoujun")
&&password.equals("mldn")){
return true;
}else{
return false;
}
}
}
class Operate{
private String info[];
public Operate(String info[]){
this.info=info;
}
public String login(){
Check check= new Check();
this.isExit();

String name= this.info[0];
String password= this.info[1];
String str= null;
if(check.validate(name, password)){
str="欢迎"+name+"光临！";
}else{
str="错误的用户名和密码!";

}
return str;
}
public void isExit(){
if(this.info.length!=2){
System.out.println("输入的参数不正确，系统退出！");
System.out.println("格式:java demo5 用户名 密码");
System.exit(1);
}
}
}
public class demo5 {
public static void main(String args[]){
Operate oper= new Operate(args);
System.out.println(oper.login());
}

}