Variables used in a switch statement can be used with which datatypes?
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Is 9 a prime number?
what is the diff b/w arraylist and vector?
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Java support what type of parameter passing ?
What is an object?s lock? Give name of object?s that have locks?
What is autoboxing and unboxing?
how cani read a command line argument?(usingfile object).
Name and explain the types of ways which are used to pass arguments in any function in java.
what is mutability?which one is mutable String or StringBuffer?and why?give examples of each which shows the mutability of each String or StringBuffer
What part of memory - Stack or Heap - is cleaned in the garbage collection process?
What is the statements?
Features of Java?
What is return used for in java?