Introduction to "Hello, World!" Program in Various Languages

what is hello world

"Hello, World!" is a simple program that is often used to illustrate the basic syntax of a programming language. It typically involves writing a program that outputs or displays the text "Hello, World!" to the screen. This exercise is commonly used as a first step in learning a new programming language because it demonstrates the essential elements of writing, compiling, and executing a program.

Here are examples of "Hello, World!" in a few different programming languages:

Python:

print("Hello, World!")

Java:

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}

C:

#include <stdio.h>

int main() {
    printf("Hello, World!\n");
    return 0;
}

JavaScript:

console.log("Hello, World!");

Ruby:

puts "Hello, World!"

The "Hello, World!" program is a simple yet powerful way to get started with programming, as it introduces the basic structure and syntax of a language without overwhelming the learner with complexity.