What are the main differences between

jdk1.4 is not supporting generics,enhanced for loop,autoboxing,typesafe enums,vargrs,static import,metadata(annotations);:in jdk 1.6 there is premain function which returns the object size & address in java.it is to be used before main function:jdk1.6 supports java servlet,jsp and by using apche tomcat we can run the java web applicatin.that supports genric,swing,awt.enhansed for loop.:Jdk 1.6 has some extra fatures.Some of are,
Category:Java Interview Questions