Program to print "Hello World" using C++. #include <iostream> using namespace std; int main() { cout<<"Hello World"; return 0; } Here is the link for online execution: https://ide.geeksforgeeks.org/0pcL5B3xy5 . Program to print the "Hello World" using C. #include <stdio.h> int main() { printf("Hello World"); return 0; } Here is the link for online execution: https://ide.geeksforgeeks.org/kA1mwOavW9 . Program to print "Hello World" using Java. import java.io.*; class HelloWorld { public static void main(String args[]) { System.out.println("Hello World"); } } Here is the link for online execution: https://ide.geeksforgeeks.org/hay0o092zV .