What is data object example?
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When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
Are static members inherited to sub classes?
Explain about fail safe iterators in java?
What do you mean by light weight and heavy weight components?
Explain the difference between treeset and treemap in java?
Different types of modifiers?
Why synchronization is important in java?
Convert a BST into a DLL and DLL to BST in place.
what are the different non-access specifiers in java?
Explain method local inner classes ?
What are the differences between forwarding () method and sendredirect() methods?
What is the difference between error and an exception?