Category Archives: Hello World

A “Hello World” program is a computer program which prints out “Hello World” on a display device. It is used in many introductory tutorials for teaching a programming language. Such a program is typically one of the simplest programs possible in most computer languages. It is often considered to be tradition among programmers for people attempting to learn a new programming language to write a “Hello World!” program as one of the first steps of learning that particular language.

In addition, hello world can be a useful sanity test to make sure that a language’s compiler, development environment, and run-time environment are correctly installed. Configuring a complete programming toolchain from scratch to the point where even trivial programs can be compiled and run can involve substantial amounts of work. For this reason, a simple program is used first when testing a new tool chain.

Source: Wikipedia