package hollow;

import java.util.Scanner;

public class Hello1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
        System.out.println("你好");
        //Scanner in =new Scanner(System.in);
        //System.out.println("echo:" + in.nextLine());
        System.out.println("2+3="+(2+3));
        ///用+号可以把字符串连接起来
	}

}