Oracle started auto-updating Windows 32-bit and OS X, Java Runtime Environment (JRE) users from JRE 7 to JRE 8 in January 20, 2015.
If you have a Windows computer, verify your computer’s Java installation by visiting
OS X users can only have one JRE available through web browsers so OS X users can not have more than one JRE available through the web browser and will only only have JRE 8 available through the web browser after the upgrade.
Unless you have a support contract with Oracle or a license for Java SE Advanced products you will not be able to get security updates for JRE 7 from Oracle after April 2015 and it is not advisable to keep older versions of Java on your system.
JDK seven did not install in the same directory as JDK 6. Because according to terminal and the java control panel, I have Java version 1.7.0_79, I just don't know where it is, because it isn't next to JDK 6.
This article illustrates how to update the Java Development Kit (JDK) version on Windows and Mac. Android uses the Java Development Kit (JDK) to integrate with the Android SDK for building Android apps and running the Android designer.