Hello world
Hello world為一梗,於程序員中流傳,源於《Introduction to the Language B》一書示例程序之首,後用於入門編程語言的第一個程序。
各類代碼實現
ABAP
<source lang="abap"> REPORT Z_AKARIN_HELLO. WRITE 'Hello world!'. </source>
C
<source lang="c">
- include<stdio.h>
int main(){
printf("Hello world!");
} </source>
C++
<source lang="cpp">
- include<iostream>
int main(){
std::cout<<"Hello world!";
} </source>
Python
<source lang="py"> print("Hello world!") </source> <source lang="py"> import __hello__ </source>
Lua
Wenyan
<source> 吾有一言。曰「「問天地好在。」」。書之。 </source>