第六次Java作业

class Check{
public boolean validate(String name,
String password){
if(name.equals("lisifan")
&&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 LoginDemo02 用户名 密码");
System.exit(1);
}
}
}
public class LoginDemo02 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Operate oper=new Operate(args);
System.out.println(oper.login());

}

}