How to start eclipse with different version of Java?

After Installing required JRE if you require to upgrade Eclipse version then kindly follow following step to upgrade eclipse java version:

You can add the -vm option to eclipse.ini:

-vm
c:/<path>/java/<javaName>/bin/javaw.exe

path : directory where Java is installed

javaName:Name of JDK/JRE installed.

 After updating eclipse.ini file, eclipse.ini file may look like this :

-startup

plugins/org.eclipse.equinox.launcher_1.3.0.v20130327-1440.jar

--launcher.library

plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.200.v20130807-1835

-product

org.eclipse.epp.package.jee.product

--launcher.defaultAction

openFile

--launcher.XXMaxPermSize

256M

-showsplash

org.eclipse.platform

--launcher.XXMaxPermSize

256m

--launcher.defaultAction

openFile

-vm

C:\Program Files (x86)\Java\jre7\bin\javaw.exe

--launcher.appendVmargs

-vmargs

-Dosgi.requiredJavaVersion=1.6

-Xms40m

-Xmx512m