Here is an explanation about Java environment construction. The Java development environment requires JDK (Java Development Kit), and the Java runtime environment requires JRE (Java Runtime Environment). Since JDK includes JRE, you only need to install JDK.
JDK installation
1. Where to download JDK, URL:
http://www.oracle.com/technetwork/java/javase /downloads/index.html
2. JDK7 download address:
http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
Download different versions according to your system. If the system is 64-bit, you can download 64-bit, and if the system is 32-bit, you can download 32-bit.
Unzip the installation package XXX and install jdk. The specific steps are as follows:
1), open the installation program, click Next
2), select the installation location
red box mark The place can be modified, which means where you installed jdk
Configuring environment variables
After installation, configure the JDK environment variables. Right-click the computer on the desktop and select Properties. Or right-click Computer on the Start menu and select Properties, click Advanced System Settings on the left, and click Environment Variables at the bottom.The above is the detailed content of How to set up a java environment?. For more information, please follow other related articles on the PHP Chinese website!

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