JAVA，

JAVA，

import java.util.*;
public class S4 {
String m;
int mi;
public void show(){
	System.out.println();
}
}

<pre class="java" name="code"> <pre class="java" name="code"><pre class="java" name="code"><pre class="java" name="code">import java.util.*;

public class st4 {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		S4 s = new S4();
		s.m = "admin";
		s.mi = 111111;
		System.out.println("请输入用户名:");
		String name = input.next();
		System.out.println("请输入密码");
		int mima = input.nextInt();
		if (s.m.equals(name) && s.mi==mima) {
			System.out.println("请输入新密码:");
			s.mi= input.nextInt();
			System.out.println("修改密码成功,您的新密码是:"+s.mi);
		}else{
			System.out.println("用户名和密码不匹配!您没有权限更新管理员信息");
		}
	}

}