Is null a string in java?
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Given a singly linked list, how will you print out its contents in the reverse order? Can you do it with consuming any extra space?
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what is polymorphism?
Explain the importance of throws keyword in java?
Is it possible to cast an int value into a byte variable? What would happen if the value of int is larger than byte?
What is number data type in java?
What is static variable and static method?
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can two class in a code be public??if yes then how??
what are the rules to use try catch finally?
Why use string handling in Java?
Why main method is called first in java?
Define max and min heap, also the search time of heap.
What is a boolean in java?