Is hashtable throw concurrentmodificationexception?
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In tree construction which is the suitable efficient data structure? (a) Array (b) Linked list (c) Stack (d) Queue (e) none
Explain Linked List
What is difference between hashmap and arraylist?
Define a binary search tree?
What are different types of sorting algorithms?
Explain what is linear search?
How will you free the memory that is allocated at run time?
Discuss the difference between a stack and an Array?
Can arraylist store primitives?
What does arraylist remove return?
Differentiate between comparable and comparator.
Tell me why might quick sort might be better than merge sort?