I am pursuing B.Tech 7th SEM and got into java from last 4 years and successfully completed following editions of java technologies:

Java SE 6 -> NIIT cert(74%) OCPJP(75%)

Java EE 6 -> NIIT cert(84%)

JSF, Spring and Hibernate -> NIIT cert(86%)

and this is where i spend almost all my time will till i don't get job in oracle.