Download the source code for example applications in this tutorial. Created by Jeff Friesen. We’ll look at each of these methods and how you can use them to perform special tasks in the context of ...

In my previous post, I looked at some of the problems associated with long parameters lists for methods and constructors. In that post, I discussed replacing primitives and built-in types with custom ...

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

You will build a class that encapsulates these operations so that they can be called as methods on any given data set. Because of this, the class itself should represent a data set. Before you can ...

But how many developers understand how HashMap works internally? A few days ago, I read a lot of the source code for ...