What is a .E file?
The file extension .E refers to a type of file known as an Eiffel Source Code File. This type of file contains code written in the Eiffel programming language, which is an object-oriented programming language (OOP) developed by Bertrand Meyer in 1986. Eiffel is designed to help programmers create software that is reliable and reusable. This is achieved through a programming approach called design by contract, where software components interact based on clearly defined contracts.
Eiffel source code files, saved with the .E extension, are essentially text files that contain a series of classes. Each class in an Eiffel program includes features, which are similar to what other programming languages might call routines, attributes, or methods. These features allow the execution of various operations such as assigning values, creating objects, calling routines, checking conditions, and performing loops.
To turn the source code in .E files into a running program, developers use compilers. Compilers translate the high-level Eiffel code into executable machine code that computers can understand and execute. Some popular compilers and development environments for Eiffel include EiffelStudio, Liberty Eiffel, and Gobo Eiffel.
In terms of opening .E files, they can be accessed and edited using various software tools. EiffelStudio, Liberty Eiffel, and Gobo Eiffel are specialized tools that provide features for coding in Eiffel as well as compiling the code. Additionally, general-purpose text editors and code editors like Microsoft Visual Studio Code and GitHub Atom (though Atom has been discontinued) can also open .E files. These editors provide basic text editing capabilities and, in some cases, syntax highlighting and other helpful features for coding.
Overall, .E files are crucial for developers working with the Eiffel programming language, enabling them to write, compile, and maintain Eiffel applications effectively.
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