Basic System Setup for Java

To set up the Java platform on your computer, you need to download the developer kit, then set up whatever development environment you plan on using. 

Download JDK

• Download the development kit for Windows, Linux, Solaris, or Mac users.
• Installation Notes for Microsoft Windows
• Installation Notes for Windows Server 2003 (64-bit AMD)
• Installation Notes for Solaris (32-bit)
• Installation Notes for Solaris (64-bit)
• Installation Notes for Linux (32-bit)

Setup Environment Variables

    

Set the following user environment variables (== environment variables of type user variables)

• JAVA_HOME : C:\Program Files\Java\jdk1.8.0_102
• JDK_HOME : %JAVA_HOME%
• JRE_HOME : %JAVA_HOME%\jre
• CLASSPATH : .;%JAVA_HOME%\lib;%JAVA_HOME%\jre\lib
• PATH : your-unique-entries;%JAVA_HOME%\bin (make sure that the longish your-unique-entries does not contain any other references to another Java installation folder.

Good to Go

• Launch CMD
• Type java - version
• Press Enter

OutPut:

C:\Users\username>java -version

java version "1.8.0_101"

Java(TM) SE Runtime Environment (build 1.8.0_101-b13)

Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)

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