Dark Horse Programmer---Java basic-JDK Configuration and setting environment variables

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First, the introduction of Java

The Java programming language is a simple, object-oriented, distributed, explanatory, robust, secure and system-independent, portable, high-performance, multi-threaded, and dynamic language.

Ii. installation and configuration of JDK

　　

To learn Java, the first thing to learn about JDK Download, installation, and environment variable configuration, and so on!

1. Download

JDK is a free tool, so we can go directly to the official website to download the latest version on it.

(1) first Open the official website, http://www.oracle.com/technetwork/java/index.html

Then select the selected area in the diagram:

Java SE is the Standard Edition, and java EE is the Enterprise Edition, using the Java se selected in the diagram !

!--[if!supportlists]--> (2) !--[Endif]--> Click to see the content, click on the selected area

 

!--[if!supportlists]--> (3) !--[Endif]--> Select the radio button, then select the specific content to download based on your computer system

 

!--[if!supportlists]--> (4) !--[Endif]--> and then you can download it.

2. installation

Installation software is not difficult, always click on the next step is OK.

So the installation is complete!

Third, the configuration of environment variables

Dark Horse Programmer---Java basic-JDK Configuration and setting environment variables