Hello World ! 节日快乐！-CFANZ编程社区

节日快乐！

世界你好，Hello World

Java

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

Python

# 2.0
print "Hello World"
# 3.0
print ("Hello World")

Shell

echo "Hello World"

SQL

SELECT 'Hello World' FROM DUAL;

HTML5

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>say sth to this world</title>    
</head>
<body>
    Hello World
</body>
</html>

JavaScript

function HelloWorld(){
  document.write("Hello World");
}
HelloWorld();

VBScript

MsgBox("Hello World!")

Delphi

procedure TForm1.Button1Click(Sender:TObject);  
begin  
    label1.Caption := 'Hello World';  
end;    
procedure TForm1.FormCreate(Sender:TObject);  
begin   
end;    
end.

Scala

object HelloWorld  
{  
    def main(args:Array[String])   
  {  
        println("Hello World!");  
  }  
}

print ("Hello World")

Ruby

print "Hello World"

Matlab

disp ('Hello World');

import "fmt"

func main() {
    fmt.Print("Hello World")
}

PHP

<!DOCTYPE html>  
<body>  
<?php  
echo "Hello World";
?>  
</body>  
</html>

Perl

print "Hello World"

Swift

print ("Hello World")

Kotlin

fun main(args:Array<String>){
    println("Hello World")
}

#include <stdio.h>  
int main()      # main入口函数  
{  
    printf("Hello World"); 
    return 1;               
}

C++

#include<iostream>
int main(int argc, char const *argv[])
{
    std::cout<<"Hello World";
    return 0;
}

Windows CMD

@echo off
echo Hello World