Although the default constructor in Java is convenient and easy to use, developers must understand some important rules about its existence and implementation. Follow these five guidelines when you ...

Java's double brace initialization feature saves time and shaves off a few keystrokes when you initialize a Set or seed a List for testing. ... ArrayList<String> list = new ArrayList<String>(); ...

If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code. In this associated tip, I ...