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 ...

Java’s equals() and hashcode() are two methods ... each object in your program, which makes the task of comparing the whole state of the object much easier. Here’s a practical example with ...

With enterprise applications, it's not unusual to aggregate content ... but for this example, we will keep things simple and use a class with a runnable main method. With the webpage now held as a ...

Any method you can conjure up takes an object and returns an object that fulfills the Java Function contract. For this Java Function interface example, we will provide a single method named “apply” ...