Hello World | Code.org
code.org › helloworldHello World! In Computer Science 101, the first program many students create is a simple one that outputs an iconic line of text: "Hello World!" Say hello to the world of computer science with this introductory activity that equips students with the basic coding skills and confidence to create apps.
C "Hello, World!" Program
www.programiz.com › c-programming › examplesRun Code Output Hello, World! How "Hello, World!" program works? The #include is a preprocessor command that tells the 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 printf () to take input and display output respectively.
"Hello, World!" program - Wikipedia
en.wikipedia.org › wiki › "Hello,_World!"_programprogram "Hello, World!" program by Brian Kernighan (1978) A "Hello, World!" program is generally a computer program that ignores any input, and outputs or displays a message similar to "Hello, World!". A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax. "Hello, World!"