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Difference between SDK and JDK

Difference between SDK and JDK

An SDK, or software development kit, is a set of tools that allows developers to create applications for a specific platform. A JDK, or Java development kit, is a set of tools that allows developers to create Java applications. While the two terms are often used interchangeably, there is a difference between SDKs and JDKs. In this article, we’ll take a look at the differences between SDKs and JDKs and how they can be used to develop Java applications.

What is SDK?

SDK stands for “Software Development Kit”. It is a set of tools that allows developers to create software for a specific platform. SDKs are typically provided by the platform provider, such as Microsoft or Apple. They include everything needed to develop applications for the platform, including compilers, libraries, and documentation. SDKs often also include sample code and templates to help developers get started.

In order to use an SDK, developers need to have a good understanding of the platform’s APIs and how to use them. SDKs can be very complex, and it is not uncommon for developers to spend months or even years learning how to use them effectively.

What is JDK?

JDK is a software development environment used for developing Java applications and applets. It includes the Java Runtime Environment (JRE), an interpreter/loader (Java), a compiler (javac), an archiver (jar), a documentation generator (Javadoc), and other tools needed in Java development. JDK is freely available from the Oracle website. JDK 8 is the latest version, which was released on March 18, 2014. JDK 7 is no longer supported. JDK 6 reached the end of life in February 2013.

Difference between SDK and JDK

  • SDK and JDK both have their own set of tools and SDK mainly refers to those tools which are used for developing the applications based on various platforms like Android, Windows, etc. SDK contains various things like libraries, debugger, documentation, device emulator, etc. it also has a plug-in for the Eclipse IDE.
  • SDK not only provides you with the necessary things but it also provides you the platform to test your application on your system before releasing it. SDK is mainly used for developing mobile applications but can also be used for developing web applications too.
  • On the other hand, JDK is mainly used for developing Java applications or Java-based applications. It was released by sun microsystems in 1995 and since then it has been continuously upgraded with new features to make it more efficient and user-friendly.
  • Both SDK and JDK are essential for different purposes and play an important role in application development. SDK mainly focuses on mobile application development while JDK is mainly focused on Java application development. Thus, we can say that both SDK and JDK are important for different purposes and have their own significance in the application development process.


SDK and JDK are both Java development tools, but they serve different purposes. The JDK is a comprehensive development kit that includes the JRE and all of the necessary tools for developing Java applications. The SDK, on the other hand, is a more lightweight tool that only includes the essentials for developing mobile apps. If you’re new to Java development or you’re just starting out in Android app development, we recommend using the SDK. It will be easier to learn and use than the JDK.

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