You can install both 32 and 64 bit versions of the Oracle JVM on Windows and non Windows Machines. You can specify which JVM to start Eclipse with by specifing the -vm value in eclipse.ini such as
-vm
C:\jdk1.7.0_21\bin\javaw.exe
You can install both 32 and 64 bit versions of the Oracle JVM on Windows and non Windows Machines. You can specify which JVM to start Eclipse with by specifing the -vm value in eclipse.ini such as
-vm
C:\jdk1.7.0_21\bin\javaw.exe