If you have had the development machine set up before, you might have a couple of software and packages already installed. You can skip the installation part and check for the version of the installed packages. If the versions are significantly old, you might want to upgrade them.

For the new machines, follow the mentioned steps for installing Java:

1. Visit the JDK download page and download the jdk-8uversion-macosx-xxx.dmg package based on your machine configuration (either the amd64 or x64).
2. Install Java from the downloaded package.
3. Once installed, launch the terminal and type in this command to determine the Java version:

      java -version

4. You will see the following output if Java is installed correctly:

      java version "1.8.0_73"
      Java(TM) SE Runtime Environment (build 1.8.0_73-b02)
      Java HotSpot(TM) 64-Bit Server VM (build 25.73-b02, mixed mode)

5. Add the following line to your .bash_profile file. In Mac OSX 10.5 or later versions, Apple recommends to set the $JAVA_HOME variable to /usr/libexec/java_home:

      export JAVA_HOME=$(/usr/libexec/java_home)
      export PATH=$PATH:$JAVA_HOME/bin

Now that we have finished installing Java, let's move on to installing Android SDK.