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This article mainly introduces the relevant knowledge of how to configure the environment of JDK, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this article on how to configure the environment of JDK. Let's take a look at it.

Windows configuration:

1. My computer-- > Properties-- > Advanced system Settings-- > Environment variables

two。 Operate under the system variable:

(1) create a new-> variable name: JAVA_HOME

Variable value: (installation path of JDK) default path: C:\ Program Files\ Java\ jdk1.8.0_192

(2) create a new-> variable name: CLASSPATH

Variable value:.;% JAVA_HOME%\ lib\ dt.jar;%JAVA_HOME%\ lib\ tools.jar

(3) Edit variable Path-- > New:% JAVA_HOME%\ bin

3. Determine whether the configuration is successful:

(1) cmd-> java

(2) cmd-> java-version

(3) cmd-> javac

Summary of knowledge points:

1. Environment configuration configuration:

Path: the system looks from the front to the front, first to the front.

The purpose of CLASSPATH capitalization: to distinguish on Linux systems.

The purpose of JAVA_HOME setting: to provide to third parties to reduce redundancy and improve maintainability of the program. (shown in: repeatedly adding jdk paths (redundancy), software modifying paths (maintainability)

2. Cmd:

Output JAVA_HOME value: echo% JAVA_HOME%

Path has spaces and quotation marks: for example: cd C:\ "Program Files"\ Java

This is the end of the article on "how to configure the environment of JDK". Thank you for reading! I believe you all have a certain understanding of the knowledge of "how to configure the environment of JDK". If you want to learn more, you are welcome to follow the industry information channel.

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