What is a default constructor and also define copy contrucyor?
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What is autoboxing and unboxing?
What are the types of methods in java?
How does access modifiers work?
What collections you have worked on? Internal working of Hashmap?
What is dynamic dispatch in java?
Convert a binary search tree to a sorted doubly linked list inplace.
Do extraneous variables affect validity?
Why do we need autoboxing in java?
What are streams?
What is multithreading and its advantages?
What is difference between protected and private?
What method is used to specify a container's layout in java programming?