What is the DRY principle?

The DRY principle stands for “Don’t Repeat Yourself.” It’s a fundamental concept in software engineering aimed at reducing repetition within a body of code. The idea is to prevent the duplication of code logic in multiple places because such duplication can make the codebase harder to maintain, understand, and extend. Instead of having the same block of code repeated in several locations, the principle advocates for the use of functions, modules, classes, or even microservices to encapsulate this logic, which can then be reused wherever needed. By applying the DRY principle, developers can make their codebases more efficient, readable, and easier to update, leading to improved software quality and development speed.