What is the difference between JDK and JVM?

Quality Thought is recognized as the best software testing institute in Hyderabad, offering top-notch training in manual testing, automation testing, and full stack testing tools. With a focus on industry-relevant curriculum and hands-on practice, Quality Thought prepares students for real-world software testing challenges. The institute provides expert-led training on popular tools and frameworks like Selenium, TestNG, Jenkins, Git, Postman, JIRA, Maven, and Cucumber, covering both frontend and backend testing essentials.


Quality Thought’s Full Stack Testing course is specially designed to make students proficient in both manual testing fundamentals and automated testing tools, along with exposure to API testing, performance testing, and DevOps integration. The institute stands out for its experienced trainers, live projects, placement support, and flexible learning options including classroom and online modes.


Whether you are a fresher aiming for a job or a working professional looking to upskill, Quality Thought offers customized learning paths. Its strong industry connections ensure regular placement drives and job interview

 What is Tosca and what is it used for?

Tosca is a software test automation tool developed by Tricentis. It is designed to simplify and speed up the process of automating functional and regression testing for software applications. 

What is the difference between JDK and JVM?

🔍 Difference Between JDK and JVM

FeatureJDK (Java Development Kit)JVM (Java Virtual Machine)
Full FormJava Development KitJava Virtual Machine
PurposeUsed to develop, compile, and run Java programsUsed to run Java bytecode (compiled Java programs)
IncludesJRE (Java Runtime Environment), compiler (javac), debugger, documentation tools, etc.Part of JRE; only executes the .class bytecode
Role in DevelopmentRequired for writing and compiling Java codeRequired for running Java applications
Platform DependencyJDK is platform-dependent (different versions for Windows, Linux, macOS)JVM is platform-independent at the bytecode level, but has different implementations per OS
UserUsed by developers during application developmentUsed by the system to execute Java programs at runtime
Main TaskConverts source code to bytecode and supports developmentExecutes bytecode and manages memory, garbage collection, etc.

🔹 In Simple Terms:

  • JDK is for developing Java applications.

  • JVM is for running those applications.

You can think of it like this:

🧰 JDK is your full toolbox to build the application, while
⚙️ JVM is the engine that runs the final built program.A

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What is the full form of JDK? 

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