Hello World 的方法

Published: 2020 年 2 月 7 日 in Code by mekitoci.

python

print('hello world')

C# (winform)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace helloworld
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            label1.Text = "Hello,world!!";
        }
    }
}

#include <stdio.h>
main () {
    printf("hello world!");
}

C++

#include <iorstream>
using namespace std;

int main () {
    cout<<"Hello world!!;
}

HTML

<html>
   <head>
    <title>HTML</title> 
    </head>
   <body>
          <h1> Hello World!!</h1>
     </body>
</html>

JAVA

public class hello {
    public static void main(String[] args) {
        System.out.println("Hello! World!");
    }
}

PHP<?php echo 'hello,world!!'; ?>

jsp

<html>
    <head>
        <title>My jsp Project</title>
    </head>

    <body>
		hello jsp...
		<%
			out.print("hello world");
		%>
    </body>
</html>