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 ...

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 ...

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