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 ...

In Java, it is considered best practice to camel case when choosing class names with the first word capitalized. Camel case simply means that you remove all spaces and use capitalization for each ...

Java supports two types of access control: compile-time and run-time. Compile-time access control is based on the visibility of the code elements, such as classes, methods, and fields, and is ...

Although it is enclosed, a static member class cannot access the enclosing class’s instance fields and invoke its instance methods. ... For example, the Matcher class, in java.util.regex, ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...