JDK8 environment variable JDK8 schematic installation JAVA8 installation

JDK8 is the latest version of the JDK, adding a lot of new features, if we want to use it, we need to download the installation:

JDK8 Installing under Windows XP is a bit problematic, so install under WIN7

WIN7 operating system has 32-bit and 64-bit, respectively to download the corresponding JDK8 version

32-bit: Jdk-8u5-windows-i586.exe

64-bit: Jdk-8u5-windows-x64.exe


WIN7

Jdk-8u5-windows-i586.exe

1. Go to the official website to download JDK8:

Click ' Jdk-8u5-windows-i586.exe ' to prepare for installation

Click ' Next ' to proceed with the installation:

Select the installation directory for the JDK and select the default installation:

In the installation:

Select the JRE installation directory:

Click ' Next '

In the installation:

Installation complete, next configure environment variables

Open Control Panel, click ' Advanced system settings---environment variables '

Configure the PATH variable first

Select the installation directory for JDK8: for example, I installed it under the D drive.

Input variable Value:;D: \java\jdk1.8.0_05\bin

Configuring the CLASSPATH variable requires configuration Tools.jar,dt.jar

The input variable value is:.;D: \ Java\jdk1.8.0_05\lib\tools.jar;d:\java\jdk1.8.0_05\lib\dt.jar

Test

Click ' Start-run '

Enter the cmd command to open the DOS window

Re-enter Javac

JDK8 environment variable JDK8 schematic installation JAVA8 installation