• Java Development Kit
  • Core component which provides tools, executables, and binaries required to compile, debug and execute a Java program
  • Platform specific software


  • Heart of Java programming language
  • Convert bytecode to machine specific code
  • Provides memory management, garbage collection, security, etc


  • Implementation of JVM
  • Consists of JVM and binaries, other classes to program successfully

In conclusion

  • JDK is a development tool whereas JRE for running the Java program
  • JDK and JRE both contains JVM
  • JVM is the heart of Java programming which provides platform independence


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