Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

Further, the Java compiler will generate a single specialized type at compile-time that it will then use to instantiate any constructed type.

Universal generics would allow Java type variables to range over primitive and reference types, making it easier to extend or reuse code across different types.

Often applications that use Java Persistence execute queries that return a collection of objects. Java Platform, Standard Edition (Java SE) 5 introduced a new feature called generics that lets you ...