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JDK, JRE, and JVM in Java

1) What is JDK in Java ?

  • JDK Stands for Java Development Tool Kit.
  • JDK is a superset of JRE
  • JDK contains everything that JRE has along with development tools for developing, debugging, and monitoring Java applications
  • When you Develop Java applications. You need JDK .
What is JDK  in java

2) What is JRE in Java ?

  • It stands for Java Runtime Environment.
  • JRE implementation of JVM, it provides a runtime environment which execute the java programs.
  • JRE contains a set of libraries + other files that JVM uses at runtime.

3) What is JVM in Java ?

  • It stands for Java Virtual Machine.
  • JVM provides a run time environment in which java bytecode can be executed..
  • JVM is platform dependent that means available for many hardware and software platforms
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