This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

Java classifies exceptions into a few types: checked exceptions, unchecked exceptions, and errors, which must be handled by the JVM.

The easiest way to optimize your Java runtime is to supply correct JVM options and parameters. In honor of the Java 21 release, we examine the 21 most important Java JVM options you can configure.

The JRE creates the JVM and ensures dependencies are available to your Java programs. It plays a vital role in devops and cloud configurations.

Java profiler tools fall into two camps: Java sampling and JVM instrumentation. In this article we compare the differences between the two approaches.