Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods. Generics are used in ...

In this tutorial, you’ll learn about generics and see three examples of using them with the Java Collections Framework. I’ll also introduce raw types and discuss the instances when you might ...

Role property could be simple string like "admin", or it could be an array of roles. example: [manager, admin] Since we do not know so we decided to keep it "generic" So that when user of this class ...

In a previous tutorial we introduced the basics of pattern matching ... and streamlining code with type inference, variables and generics. Another Java pattern matching example is with the when clause ...