Installing the Java Development Environment JDK, installing the JDK

The JDK can be interpreted as a translation officer, which translates the Java high-level language into binary execution.

The JDK compiles the file, and the compiled file name extension is. class.

Java can run as long as it can support the JDK, which is the nature of the Java cross-platform.

My is Windows XP system, download the JDK8, prompt system does not support, so download JDK 6

JDK Installation succeeded

The following need to configure the system environment variables:

Find the directory where you just installed the JDK

Copy the path down.

Right-click My Computer

Point "advanced", "Environment variable"

Locate the following environment variables, click Edit

Action, in the red box, if the last text does not have a semicolon, add a semicolon, and then paste the previous copy of the bin path, and then end with a semicolon

When you are finished editing, click OK.

When you return to your desktop, press Windows+r to build

Into DOS

Enter Java and then enter to see the following interface instructions to install the JDK successfully

Okay, here comes the JDK, the installation is successful.

If you enter Java, you are prompted to do so, it means that your JDK software is not successfully installed, or that the system environment variable is not set correctly.

Installing the Java Development Environment JDK, installing the JDK