The JRE can be used as a standalone component to simply run Java programs, but it’s also part of the JDK. The JDK requires a JRE because running Java programs is part of developing them.

Java 9 restructured the Java platform so that the JRE is now only available as part of a JDK. You can deliver a bundled JRE with your applications when you want to ship a consumer application ...

2. The Java profiler: javap You can consider the Java command-line tool javap a complement to the javac utility. While javac compiles code, the javap utility reverses that compilation and provides ...

JDK components, tools and utilities The JDK provides a variety of features and tools that aid in the software development process. Some of these tools in this software development kit are considered ...