You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java. Many programming languages allow passing ...

Passing an instance is passing a function pointer. Along with a ton of other things, of course. Java introduced the concept of "single abstract method" types to do function pointer-like things.

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want. Copying objects ...