java_if_else__

import java.util.Scanner;
public class Dome4{    
public static void main(String []args){
    Scanner input = new Scanner (System.in);
    String id="",password="",id1="admin",password1="666";
    int a,b,c,max;
    System.out.print("请输入账号:");
    id=input.next();
    if(id.equals(id1)){
        System.out.print("请输入密码:");
        password=input.next();
        if(password.equals(password1)){
            System.out.print("登录成功!");
            System.out.print("请输入第一个数:");
            a=input.nextInt();
            System.out.print("请输入第二个数:");
            b=input.nextInt();
            System.out.print("请输入第三个数");
            c=input.nextInt();
            if(a>b){
                max = a ;
            }
            else {
                max = b ;
            }
            if(max >c ){
                max =max ;
            }
            else {
                max = c;
            }
            System.out.println("最大值为:"+max);
        }
    }
    else{
        System.out.print("账号错误,请重新输入:");
    }
}
}