How does hashmap work in java ?
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Can we sort set in java?
What is void class in java?
What is the difference between Synchronizing mehtod & Synchronizing block?
Explain the selection sort algorithm and state its time complexity?
Difference between method overloading and overriding.
What are the main uses of the super keyword?
Can a constructor be protected?
Can we override tostring method in java?
What is a byte string?
Write a program to create a binary Tree ?
What is the maximum size of byte array in java?
is this possible to create an array of 0 length? if so how? if not so why? coz we have an array in main() likw this "static void main(String [] s) then what it signifies?