Generics in Java programming Why use generics? How to use generics for type safety Generics in the Java Collections Framework Examples of generic types in Java Raw types vs. generics Why use generics?

When you use a var to declare a variable, the JVM assigns a type to the variable based on what it sees on the right-hand side of the assignment operation. That’s why the var reserved word is said to ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.