J250511/01-JavaSE阶段代码/J20250525/Demo08.java

package j1_java_basic.J20250525;

/**
 * @author WanJl
 * @version 1.0
 * @title Demo08
 * @description
 * @create 2025/5/25
 */
public class Demo08 {
    public static String login(String username,String password){
        if (username=="zhangsan"&&password=="123456"){
            return "登录成功";
        }else{
            return "密码错误";
        }
    }

    public static String m(int year){
        if (year%4==0||year%400==0&&year%100!=0){
            return year+"是闰年";
        }
        return year+"是平年";
    }

    public static void main(String[] args) {
        String result = login("zhangsan", "123456");
        System.out.println(result);
        String m = m(2024);
        System.out.println(m);
    }
}