Beginner

Hello World in Tcl

Every programming journey starts with Hello World. Tcl makes this remarkably simple—reflecting its design philosophy that scripting should be easy and intuitive.

The Code

Create a file named hello.tcl …

Hello World in REXX

Every programming journey starts with Hello World. REXX makes this incredibly simple—the language was designed from day one to be readable and intuitive.

The Code

Create a file named hello.rexx:

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2 …

Hello World in Icon

Every programming journey starts with Hello World. Let’s write our first Icon program and get a glimpse of this unique language with its goal-directed evaluation.

The Code

Create a file named …

Hello World in Prolog

Every programming journey starts with Hello World. Let’s write our first Prolog program and get our first taste of logic programming.

The Code

Create a file named hello.pl:

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:- write( …

Hello World in Smalltalk

Every programming journey starts with Hello World. Let’s write our first Smalltalk program and experience the language that defined object-oriented programming.

The Code

Create a file named …

Hello World in Scheme

Every programming journey starts with Hello World. Let’s write our first Scheme program and experience one of the most elegant and influential programming languages ever created.

The Code

Create …

Hello World in Common Lisp

Every programming journey starts with Hello World. Let’s write our first Common Lisp program and experience one of the most powerful and enduring programming languages ever created.

The Code …

Hello World in Forth

Every programming journey starts with Hello World. Forth’s version is elegantly simple.

The Code

Create a file named hello.fth:

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." Hello, World!" CR
bye

Understanding the Code …