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, ...

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs. Java class loaders are a component of the Java virtual machine (JVM) ...

Properties and methods make Java classes interesting. Properties represent the data an object possesses, while methods enable the intelligent manipulation of that data. However, to perform any ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Jinsong Yu shares deep architectural insights ...

Writing a Java application (see Android) that consumes a JSON API usually involves mapping the JSON objects to Java classes for use in the software. This is a tedious and repetitive task to say the ...

Separating localized resources from the source code where they are used is a well-known and approved design. Java's ResourceBundle class from the java.util package provides a straightforward way to ...

Many companies have both Java and .NET developers on code projects, but there’s often a significant communication gap between the two camps. JNBridgePro helps developers bridge that gap. It generates ...

What does import java.util Scanner mean? The java.util.Scanner class is one of the first components that new Java developers encounter. To use it in your code, you should import it, although another ...

A total of 24 JEPs in JDK 24 extend stream processing, introduce quantum-resistant algorithms and provide an API for accessing class files. Java 24 has been released at the start of the JavaOne 2025 ...