1.C语言
#include<stdio.h>
int main(void)
{
printf(“hello world！！”)；
return 0
}
2.C++
#include<iostream>
using namespace std;
int main(void)
{
cout<<"hello world！！"<<endl;
return 0;
}
3.c#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks
namespace log{
class helloworld{
staticvoidMain(string[]args){
Console.WriteLine("hello world!!");
}
}
}
4.java
public class helloworld
{
public static void main(string []args)
{
system.out.println("hello world!!");
}
}
5.html
<h1>hello world!!</h1>
6.python
print("hello world!!")
