What is the difference between JDK,JRE and JVM ? | Java Interview Question

In this video i have discussed about the difference between #JDK #JRE and #JVM
what is difference between jdk jre and jvm?
What is difference between JDK JRE and JVM in Java?
Do I need both JDK and JRE?
Is JVM both compiler and interpreter?
What is role of JDK JRE and JVM?
What is the difference between JDK and JRE in Java?
what is difference between jdk jre and jvm
What is difference between JDK JRE and JVM in Java?
Do I need both JDK and JRE?
Is JVM both compiler and interpreter?
What is role of JDK JRE and JVM?
What is the difference between JDK and JRE in Java?
What is JDK?

JDK is a superset of JRE. JDK contains everything that JRE has, along with development tools for developing, debugging, and monitoring Java applications.
You need JDK when you need to develop Java applications.
Same as JREs, JDKs are also platform dependent. So take care when you download the
JDK package for your machine.

JDK = JRE + Development Tools

What is JRE ?
JRE (Java Runtime Environment) is a software package that provides Java class libraries, along with Java Virtual Machine (JVM), and other components to run applications written in Java programming. JRE is the superset of JVM. If you need to run Java programs, but not develop them, JRE is what you need.

What is JVM ?
Java Virtual machine (JVM) is the virtual machine that runs the Java bytecodes. You get this bytecode by compiling the .java files into .class files. .class files contain the bytecodes understood by the JVM.
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