?public class Check {?? public boolean validate(String name,String password){??? if(name.equals("yxxxx")&&password.equals("5585711")){???? return true;??? }else ???? {return false;???? }?? }}public class Operate {?public String info[];?public Operate(String info[]){??this.info=info;???}?public void login(){? Check check=new Check();? this.Exis();? String str=null;? String name=info[0];? String password=info[1];?if( check.validate( name, password))?{?System.out.println("歡迎"+name);?}?else{??System.out.println("用戶錯(cuò)誤");?}? ? ?}?public void Exis(){? if(info.length!=2){?? System.out.println("錯(cuò)誤");?? System.exit(1);? }?}}public class LoginDemo{??public static void main(String[] args) {??// TODO Auto-generated method stub??????? Operate oper=new Operate(args);??????? oper.login();?}}這個(gè)是個(gè)簡單的系統(tǒng)登錄,求解釋,哪里有問題。。
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