十二章上机 练习4

package ed.com;
import java.util.Scanner;
public class detgvd {

/**
* @param args
*/
public static void main(String[] args) {
4000

// TODO Auto-generated method stub
Scanner input =new Scanner (System.in);
def i=new def();
boolean con=true;
i.show();
int c=input.nextInt();
switch(c){
case 1:
System.out.println("请输入用户名:");
String name=input.next();
System.out.println("请输入密码:");
String pwd=input.next();
if(name.equals("jin")&&pwd.equals("0000")){
System.out.println("@@登陆成功,"+i.name+"@@");
}else {
System.out.println("@@您没有权限进入系统,请重新登录@@");
}
break;
case 2:
System.out.println("谢谢您的使用!");
con=false;
break;
}

while(con);

}}

package ed.com;

public class def {
String name="jin";
String  pwd="0000";
public String show(){
return "管理员信息用户名为:"+name+"\t密码:"+pwd;
}

}