Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

Loitering Objects and Java Framework Design By Leonard Slipp February 5, 2001 ONE OF THE key objectives early in the design of Java was to create an environment that eliminated the memory management ...

Functional supplier interface in Java tutorial There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package ...