What is the minimum number of nodes that a binary tree can have?
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Define an algorithm.
Explain how to find 3rd element from end in a linked list in one pass?
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.
Can we use Generics with the array?
Tell me what should be done in the base case for this recursive problem?
Differentiate between singly and doubly linked lists?
What is doubly linked list in data structure?
What is the meaning of arraylist?
What is stable sort?
Is hashmap synchronized?
Now you are given an array of a characters (both ASCII and Kanji) and, an index into the array. The index points to the start of some character. Now you need to write a function to do a backspace (i.e. delete the character before the given index).
Can you tell me the differences between Array and ArrayList?