While learning Java, you’ll occasionally encounter a language behavior that leaves you puzzled. For example, what does expression new int[10] instanceof Object returning true signify about arrays? In ...

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) ...

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 ...

Programmers typically target a specific, long-term support release when they develop applications. That means for the past several years, most Java developers were limited to the Java 8 or Java 11 ...

Google today announced that it is making Kotlin, a statically typed programming language for the Java Virtual Machine, a first-class language for writing Android apps. Kotlin’s primary sponsor is ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.