/** * Instantiate my collections with empty versions using Collections fields. * This will result in javac compiler warnings stating "warning: [unchecked] * unchecked ...

For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

Learn about the best practices for concurrency in Java to ensure your multi-threaded applications are efficient, synchronized, and error-free. Concurrency in Java is the ability of multiple threads to ...

One of the nasty little traps a Java developer can run into occurs when Collection.contains(Object) is not used with appropriate understanding. I demonstrate this potential trap in this post. This is ...

As heap utilization approaches 100% and the inevitable OutOfMemoryError threatens to crash the production JVM, DevOps professionals who tend real-time Java ...