What are the tasks performed while traversing a binary tree?
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Does linkedhashset allow null values?
What is space complexity of a program?
Define hashing?
Mention the steps to insert data at the starting of a singly linked list?
What is the best case time complexity of bubble sort?
List some applications of multilinked structures?
Give a good data structure for having n queues ( n not fixed) in a finite memory segment. You can have some data-structure separate for each queue. Try to use at least 90% of the memory space.
Is array faster than arraylist?
What is a reverse linked list.
How null key is handled in hashmap?
Differentiate between iterable and iterator.
Which interfaces are implemented by enumset?