---
title: "What is JDK, JRE and JVM in JAVA language ?"  
description: "What is JDK, JRE and JVM in JAVA language ?"  
author: "Shrikant Mishra"  
published: 2020-03-12  
updated: 2020-09-24  
canonical: https://www.mindstick.com/interview/33712/what-is-jdk-jre-and-jvm-in-java-language  
category: "java"  
tags: ["java", "programming language", "data structure"]  
reading_time: 2 minutes  

---

# What is JDK, JRE and JVM in JAVA language ?

| JDK | JRE | JVM |
| --- | --- | --- |
| This stands for Java Development Kit. | This stands for Java Runtime Environment. | This stands for Java Virtual Machine. |
| This is the tool necessary to compile, document and package Java programs. | The JRE refers to a runtime environment in which Java bytecode can be executed. | This is an abstract machine. This is a specification that provides a run-time environment in which java bytecode can be executed. |
| This contains JRE + development tools. | This is an implementation of the JVM which physically exists. | The JVM follows three notations: Specification, Implementation, and Runtime Instance. |

## Answers

### Answer by Shrikant Mishra

| JDK | JRE | JVM |
| --- | --- | --- |
| This stands for Java Development Kit. | This stands for Java Runtime Environment. | This stands for Java Virtual Machine. |
| This is the tool necessary to compile, document and package Java programs. | The JRE refers to a runtime environment in which Java bytecode can be executed. | This is an abstract machine. This is a specification that provides a run-time environment in which java bytecode can be executed. |
| This contains JRE + development tools. | This is an implementation of the JVM which physically exists. | The JVM follows three notations: Specification, Implementation, and Runtime Instance. |


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Original Source: https://www.mindstick.com/interview/33712/what-is-jdk-jre-and-jvm-in-java-language

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