Install eclipse on Mac OS X 10.9 onwards / JRE or JDK must be available in order to run Eclipse.
"A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run Eclipse."
There are couple of solutions:
All this after installing JDK7 and on my Mac I still see errors!!
What finally worked:
Download the jdk-7u60-ea-bin-b15-macosx-x86_64-16_apr_2014.dmg the 64 bit version mostly!
All set and working!!