Hello World

C版

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  1. #include <stdio.h>

    int main()
    {
    printf("Hello World");
    return 0;
    }

C++版

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  1. #include <iostream>

    int main()
    {
    std::cout << "Hello World";
    return 0;
    }

JavaScript版

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  1. <script>
    alert('Hello World');
    </script>

Java版

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

Ruby版

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  1. puts "Hello World"

SQL版

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  1. select 'Hello World' from dual;

HTML版

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  1. <!DOCTYPE html>
    <html>
    <body>
    <h1>Page Title</h1>
    <p>Hello World</p>
    </body>
    </html>

Go版

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  1. package main
    import "fmt"
    func main(){
    fmt.Println("Hello World")
    }

SHELL版

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  1. echo "Hello World"

PHP版

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  1. <?php
    echo "Hello World";
    ?>

Python版

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  1. print("Hello World")