Eiffel-Fundamentals

Hello World in Eiffel

Every programming journey starts with Hello World. Let’s write our first Eiffel program using EiffelStudio, the primary Eiffel development environment.

The Code

Create a file named hello.e: …

Variables and Types in Eiffel

In Eiffel, variables are called attributes when they belong to a class and locals when they exist within a routine. As a statically and strongly typed object-oriented language, every variable must …

Operators in Eiffel

Operators are the building blocks of expressions. In Eiffel, they look familiar at first glance - +, -, *, / work as you would expect - but there is something fundamentally different going on …