Hello world 在十种开发语言的写法

1. Python

Python

print("Hello, World!")

2. Java

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

3. C

#include <stdio.h>

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

4. C++

#include <iostream>

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

5. JavaScript

console.log("Hello, World!");

6. Ruby

puts "Hello, World!"

7. PHP

<?php
echo "Hello, World!";
?>

8. Swift

print("Hello, World!")

9. Go

package main

import "fmt"

func main() {
    fmt.Println("Hello, World!")
}

10. Rust

fn main() {
    println!("Hello, World!");
}