1、C语言：#include <stdio.h>int main(){ printf("Hello, World! \n"); return 0;}
3、JS:<!DOCTYPE html><挢旗扦渌;html><head><meta charset="utf-8"><title>hello world</title></head><body><p id="demo"></p><script>document.getElementById("demo").innerHTML="HELLO WORLD";</script> </body></html>
5、C++:#include <iostream>using namespace std;int main(){ cout << "Hello, world!" << endl; return 0;}
