What are callback interfaces?
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Is a class a subclass of itself?
can a static method be overridden
diff mvc1 and mvc2 wahts is mean by servlet chaining?
diff between jsp include directive and jsp action include?
explain session tracking. why we used it
What are externizable interface?
What is a sessionfactory? Is it a thread-safe object?
what is the use of State Factories?
What is the difference between Super and This Keyword?
What are the sequence of steps to write pub or sub model kind of application?
What is deadlock?
how to get value in combo for updation?