Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

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 ...

Follow along as we take a look at two key OOP concepts: classes and objects. Last time, in ”Transitioning into object-oriented programming using Java,” we learned that for a programming ...

One of the reasons why object-oriented programming is so popular is because it delivers on these requirements. But antipatterns often appear when developers take shortcuts or focus ... the God object ...

Now let's take a look at a slightly more useful example that shows how reference objects can be used ... instances of the java.lang.ref.ReferenceQueue class. When a weak reference is created ...

The number of wins, losses and ties maintained by the Score class can only be incremented by one at a time, so instead of setter methods, the Java serialization object will have methods called ...

Records are classes that act as transparent carriers for immutable data and can be thought of as nominal tuples. Records can help you write more predictable code, reduce complexity, and improve ...