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Java

Java version 1.7.x or later is recommended for better security. Check whether Java is already installed on your system using the command line as shown:

Open the Terminal.
Type java -version and press Enter.

You will see the following output:

java version "1.7.0_21" 
Java(TM) SE Runtime Environment (build 1.7.0_21-b11) 
Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)

If Java is not installed on the system, use the following instructions to install Java:

Visit http://www.oracle.com/technetwork/java/javase/downloads/index.html.
Download the latest version of the Java JDK. Install the JDK.
Verify by typing java -version at Command Prompt.

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