Difference Between JDK, JRE and JVM in Java (Java 25)
Learn the difference between JDK, JRE and JVM in Java 25, what each one contains, how class loaders and the JIT work and why Oracle ships no JRE.
Java Memory Model: Heap, Stack, Metaspace and Code Cache
The Java memory model on JDK 25 explained with heap generations, thread stacks, metaspace and code cache, plus their flags, defaults and errors.
java.exe vs javaw.exe: What Is javaw.exe and When to Use It
java.exe vs javaw.exe on Windows, the console and GUI launchers compared, with output and exit codes, javaw.exe in Task Manager and when to use each.