InfoWorld

When to use abstract classes vs. interfaces in Java

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. Abstract classes and ...
InfoWorld

How to use generics in your Java programs

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 ...
TheServerSide

Simple Java 8 Predicate example with lambda expressions and interfaces

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...
TheServerSide

Java's UnaryOperator in Lambda expressions example

Community driven content discussing all aspects of software development from DevOps to design patterns. The implementation of Java 8 Lambda expressions required an introduction to a number of new ...