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For example, on Windows, click to download the "Windows x86" installer. Click the radio button to accept the License Agreement, then download the appropriate JDK for your operating system. Go to the page and click the DOWNLOAD link for the JDK. (If you already have JDK 1.6 or higher on your computer from taking CS 106A, you can skip to Step 2.) Download the JDK from the following address: These are collectively called the Java Development Kit or "JDK" for short. Since Android apps are written in Java, you will need the Oracle Java compiler and libraries on your system. Install Oracle Java Development Kit ("JDK") Once done, quit the Terminal window, reopen a new one and type the following command to check if the system variable has been persisted: echo $JAVA_HOME profile file, type CTRL + X, then type Y followed by the ENTER key. You should have a screen similar to the following screenshot: In the Text Editor, type the following lineĮxport JAVA_HOME=$(/usr/libexec/java_home) Open the Terminal app and type the following commands: cd $HOME This file should contain all the commands that should be executed before the Terminal Window session starts.

profile file in the user's home directory. One way to do this is to create or update a. The JAVA_HOME system variable must be persisted when you leave and resstart a new Terminal Window. Persist the JAVA_HOME system variable for the current user

You should see the following result: /Library/Java/JavaVirtualMachines/jdk1.8.0_112.jdk/Contents/Home To check the JAVA_HOME is correctly setup type the following commands: cd $JAVA_HOME Open the Terminal app and type the following command: export JAVA_HOME=$(/usr/libexec/java_home) On the next page select the latest release for the Mac OS X platform: jdk-8u112-macosx-圆4.dmg. JDK 8 installation is mandatory if you want to target Android devices.

The JDK is a development environment for building applications, applets, and components using the Java programming language. JDK is a shortcut for Java™ Platform, Standard Edition Development Kit The purpose of this section is to guide you to install Java in your development environment.