Generics
Generics are a programming concept that allows developers to write code that can work with different data types while maintaining type safety. They enable the creation of classes, interfaces, and methods that operate on objects of various types, with the specific type specified at compile time. This reduces code duplication and enhances reusability by providing a way to parameterize types.
Developers should learn and use generics when building reusable libraries, data structures like collections, or algorithms that need to work with multiple data types without sacrificing type safety. They are essential in languages like Java, C#, and TypeScript for creating type-safe collections (e.g., List<T>), reducing runtime errors, and improving code clarity by eliminating the need for explicit casting.