Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Since I have done most of my coding for classes (and almost exclusively in Java), I have always just run my programs through the compiler and never had to worry about actually setting it up to run ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Newer JVM-compatible languages like Scala, Groovy, and JRuby are better suited to creating internal DSLs than the Java language itself. Find out why in this final article in Venkat Subramaniam's ...