Windows XP System JDK Installation

installation of JDK files 1, EXE installation

Double-click the local JDK file,

For installation. The official download address for JDK is:

Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Select Acceptlicense agreement and select the JDK version you want to install. Here, the X86 corresponds to the 32-bit system, and the X64 corresponds to the 64-bit system. 2. Folder Installation

From a computer that already has the JDK installed, copy the JDK folder and copy the JDK folder to the directory you want. such as C:\ProgramFiles\jdk1.7.0_21 II, the configuration of environment variables

Right-click My Computer, select Properties (or press windows+pause) and pop up the following dialog box:

Select "Advanced"-"Environment variables":

3 system environment variables need to be modified. 1, Path

Select path and click "Edit":

Append ";%java_home%\bin" after the original variable value. Where semicolons are used to separate values from the preceding variables. 2, Classpath

Select Path, click Edit, append to the original variable value

“; %java_home%\lib\dt.jar;%java_home\lib\tools.jar ".

If you don't find this variable, add it. 3, Java_home

4, add a variable named "Java_home", variable value for you to install or copy the JDK folder where the path, such as "C:\ProgramFiles\jdk1.7.0_21" three, verify that the configuration was successful

Open the computer's Command line window, enter "Java-version", return, the following results appear:

The configuration succeeds.