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Installing the JDK Software and Setting JAVA_HOME

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1. Download and Install the JDK software.

   1. Go to http://java.sun.com/javase/downloads/index.jsp.

   2. Select the appropriate JDK software (Java 14, 11 or 8) and click Download.

   3. The JDK software is installed on your computer, for example, at C:\Program Files\Java\jdk1.8.0_231. 

2. Set JAVA_HOME:
   1. Right-click on My Computer and select Properties.
   2. On the Advanced tab, select Environment Variables.
   3. Under “System variables” click the “New…” button and enter JAVA_HOME as “Variable name” and the path to your Java JDK directory under “Variable value”.
   4. 
3. Update PATH
   1. In “Environment Variables” window under “System variables” select Path > click on Edit.
   2. In “Edit environment variable” window click “New”
   3. Type in  %JAVA_HOME%\bin
   4. 
4. Open terminal and type java -version . The output should look like :
   1. java version "1.8.0_151"
   2. Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
   3. Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)

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