几种计算机语言的Hello world

C

#include   
void main()                  
{  
    printf("Hello, world!
");   
}

C++

#include   
int main()                  
{ 
    std::cout<<"Hello, world!"<

Java

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

Python/Ruby/R/Php

print("Hello, world!")

Go

package main
import "fmt" 
func main() {    
    fmt.Println("Hello, world!")
}

Rust

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

Kotlin

fun main(args: Array) {
    println("Hello, world!")
}

Matlab

disp("Hello, world!");