输出Hello world

C语言输出hello

int main() {
	printf("hello  C语言\n\n");
	return 0;
}

C++输出hello

#include <iostream>
int main() {
	using namespace std;
	cout << "hello  C++\n\n";
}

Java输出hello

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

C#输出hello

using System;

namespace bccn
{
	class Program
	{
		static void Main(string[] args)
		{
			Console.WriteLine("hello  C#");
			Console.WriteLine();
		}
	}
}

PHP

<?php
echo "hello  PHP\n\n";
?>

python

print("hello  Python\n")

Ruby

puts "hello  Ruby\n\n"

Go

package main
import "fmt"

func main() {
	fmt.Printf("hello  Golang\n\n")
}

Rust

fn main() {
	print!("hello  Rust\n\n");
}

JavaScript

console.log("hello  JavaScript\n");

Lua

print(string.format("hello  Lua"))

perl

#!/usr/bin/perl 
 
print "Hello, World!\n";

shell

#!/bin/bash
echo "Hello World !"

sql

begin
     dbms_output.put_line('hello world');
end;