State the difference between strings and arrays.
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Why string is not a wrapper class?
What is a boolean output?
Under what circumstances an object reference be cast to an interface reference?
How TreeMap sorts the objects inside it?? suppose if have include one employee object and one car object. On what basis it will sort?
Why main method is static in java?
explain the difference between jdk and jvm?
Which graphs are functions?
Explain importance of finally block in java?
What is synchronization? How it can be achieved?
Convert a BST into a DLL and DLL to BST in place.
What is the instance of an object?
What is ph and buffers?