Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...

The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

When I first learned to program, it was grasping if statements that helped it all click into place for me. Once you can use if statements, you can build all kinds of useful and interesting tools.

Ever wonder why Java's const keyword is unimplemented? More specifically, why do we mark global constants in Java with both the static and final keywords? Why are Java constants static and final? The ...