Programming C : Hello world

1. Hello world

#Hello World

#include<stdio.h>
//This line describe about to include header file of standard input and output.
void main(void)
//main is a function with void datatype
{
printf("Hello World");
}

Output : Hello World

How "Hello, World!" program works?

The #include <stdio.h> is a preprocessor command. This command tells compiler to include the contents of stdio.h (standard input and output) file in the program.
The stdio.h file contains functions such as scanf() and print() to take input and display output respectively.
If you use printf() function without writing #include <stdio.h>, the program will not be compiled.
The execution of a C program starts from the main() function.
The printf() is a library function to send formatted output to the screen. In this program, the printf() displays Hello, World! text on the screen.
The return 0; statement is the "Exit status" of the program. In simple terms, program ends with this statement.

Comments

Momo suicide game

Microsoft clamps down on sick 'Momo suicide game' in 'Minecraft' Microsoft is clamping down on the sick “Momo suicide challenge,” which recently infiltrated the wildly popular online game “Minecraft.”The tech giant owns “Minecraft” developer Mojang. The vile “Momo suicide game” has been garnering attention after spreading on WhatsApp, prompting police warnings. "Momo" is a viral challenge that asks people to add a contact via WhatsApp - they are then urged to commit self-harm or suicide. The "game" has fueled comparisons to the sinister " Blue Whale challenge " that led to reports of suicides in Russia and the U.S, as well as the online fictional character of "Slender Man." In 2014 two 12-year-old girls in Wisconsin attempted to kill a classmate in an attempt to please the horror character. The Buenos Aires Times recently reported that police in Argentina are investigating whether “Momo” is linked to the suicide of a 12-y...

Create WAR file in Spring Boot

This is just a three step simple procedure to package your application into war. Extending Main Class First, we extend our main class to SpringBootServletInitializer. This tells spring that your main class will be the entry point to initialize your project in server. ? 1 2 3 4 5 6 7 @SpringBootApplication public class Application extends SpringBootServletInitializer{ public static void main(String[] args) { SpringApplication.run(Application. class , args); } } Overriding configure method Next, we overload the configure method of SpringBootServletInitializer. We tell spring to build the sources from our Main class. Your final Main class should look like this: ? 1 2 3 4 5 6 7 8 9 10 11 12 @SpringBootApplication public class Application extends SpringBootServletInitializer{ public static void main(String[] args) { ...

Kali Linux 2017.2

Most Advanced Penetration Testing Distribution, Ever. New and Updated Packages in Kali 2017.2 In addition to all of the standard security and package updates that come to us via Debian Testing, we have also added more than a dozen new tools to the repositories, a few of which are listed below. There are some really nice additions so we encourage you to ‘apt install’ the ones that pique your interest and check them out. hurl – a useful little hexadecimal and URL encoder/decoder phishery – phishery lets you inject SSL-enabled basic auth phishing URLs into a .docx Word document ssh-audit – an SSH server auditor that checks for encryption types, banners, compression, and more apt2 – an Automated Penetration Testing Toolkit that runs its own scans or imports results from various scanners, and takes action on them bloodhound – uses graph theory to reveal the hidden or unintended relationships within Active Directory crackmapexec – a post-expl...

Search This Blog