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Unlike the stand-alone Hello World application for Java, there is no class declaration and nothing is declared to be static. When the program is stored in file HelloWorld.scala, the user compiles it with the command: $ scalac HelloWorld.scala and runs it with $ scala HelloWorld This is analogous to the process for compiling and running Java code.
A "Hello, World!"program is usually a simple computer program that emits (or displays) to the screen (often the console) 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.
Unlike the stand-alone Hello World application for Java, there is no class declaration and nothing is declared to be static. When the program is stored in file HelloWorld.scala, t
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A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. General-purpose programming language "C programming language" redirects here. For the book, see The C Programming Language. Not to be confused with C++ or C#. C Logotype used on the cover of the first edition of The C Programming Language Paradigm Multi-paradigm: imperative (procedural ...
module Main (main) where-- not needed in interpreter, is the default in a module file main:: IO ()-- the compiler can infer this type definition main = putStrLn "Hello, World!" The factorial function in Haskell, defined in a few different ways (the first line is the type annotation , which is optional and is the same for each implementation):
No Failsafe I/O: AutoHotkey (global ErrorLevel must be explicitly checked), C, [47] COBOL, Eiffel (it actually depends on the library and it is not defined by the language), GLBasic (will generally cause program to crash), RPG, Lua (some functions do not warn or throw exceptions), and Perl.