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) {
		// 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;
	}

}