What is java sdk

SDK is the abbreviation of Software Development Kit, which means "software development kit" in Chinese. This is a term with quite broad coverage. It can be said that a collection of related documents, examples and tools to assist in the development of a certain type of software can be called "SDK". SDK is a combination of a series of files that provides a platform for software development (it facilitates the use of various APIs for software development).

SDK is a collection of program interfaces, documents, and development tools. Yes, a collection. SDK is not a development tool alone, nor is it a program. A complete SDK should include the following:

(1) Interface files and library files;

(2) Help documentation;

(3) Development examples;

(4) Practical tools.

Interface files and library files are APIs, which encapsulate and protect the underlying code and provide users with an interface for calling the underlying code;

The help document explains the functions and introduction of interface files and library files Relevant development tools, operation examples, etc.;

A development example is a DEMO display that must also include source code;

Practical tools are used to assist users in secondary development Tools, such as secondary development wizards, API search tools, software packaging tools, etc.

Everyone who has experience in java programming knows that to run java, you need to install jdk on your computer. jdk is java SDK. The installation process is to download an EXE (under Windows) application, click on it and it will be OK. It looks like jdk is an application. In fact, this application downloaded from the Internet is just an installation wizard for jdk. It helps you install the Java running environment, a bunch of Java tools and Java basic class libraries on your computer. The combination of these things is the core of JDK. content.

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