单选择结构

package struct;

import java.util.Scanner;

public class XuanZeDemo2 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入内容：");
        String s=scanner.nextLine();
        if (s.equals("Hello")){
            System.out.println(s);

        }
        System.out.println("End");
            scanner.close();
    }
}