

Everyday definition: The JDK is a software package you download in order to create Java-based applications.Technical definition: The JDK is an implementation of the Java platform specification, which includes the compiler and standard class libraries.IDGīefore we move on, let's consider the technical and everyday definitions of the JDK: The package contains more than 30 individual tools and services which can be used to control every aspect of Java application development, from concept to final phase and deployment to endusers.Figure 1 shows how the JDK fits into the Java application development lifecycle. Java Development Kit for Mac includes a wide variety of tools for streamlined developing, debugging, testing, and monitoring of Java applications.

Or, you may use the Jar utility in the JDK's bin/ directory: jar xvf src.zip. To extract these file, use any common zip utility. These files do not include platform-specific implementation code and cannot be used to rebuild the class libraries. This source code is provided for informational purposes only, to help developers learn and use the Java programming language.
