What is the difference between quicksort & mergesort? When should they be used? What is their running time?
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Why lambda expression is used in java?
Java violates few objected oriented concepts. Can you explain in what way?
What is array length?
Is linkedlist thread safe in java?
What is bean? Where it can be used?
Which is not Object in Java?
What is a classloader in java?
What is Mutex (Mutual Exclusion Object) ?
Can we write a class without main method in java?
What is an immutable object? How do you create one in java?
What is final modifier?
why operator overloading is removed in java?