Difference between JDK JRE and JVM

Before Learning Java, it is noteworthy to understand the difference between JDK, JRE, and JVM.

JVM(Java Virtual Machine)

1. It is known as a virtual machine because it doesn't exist physically.

2. It is platform Dependent.

JVM Features

1. Load Code

2. Verify Code

3. Execute Code

4. Provide Runtime Environment

JVM (Java Virtual Machine)

JRE(Java Runtime Environment)

1. It contains JVM and implements the Runtime Environment provided by JVM through a set of libraries and other files.

2. It is platform Dependent.

JRE = JVM + set of Libraries (.jar files) + other file.

JRE (Java Runtime Environment)

JDK (Java Development Kit)

1. It contains JRE and various other developer tools like the compiler, interpreter, java document generator, etc. which are, useful in java application development.

2. It is platform Dependent.

JDK = JRE + Developer tools

JDK (Java Development Kit)

Java Quiz