Each thread has its own stack. Stores method frames, local variables, partial results. Stack frames created for each method call. PermGen replaced by Metaspace (dynamic, OS-managed). String Pool moved ...

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching in ...