How many pointers are necessary to implement a simple linked list?
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Is quicksort recursive?
Which is the parent class of linkedlist class?
Can we change the size of an array at run time?
If I try to add enum constants to a treeset, what sorting order will it use?
Which are the sorted collections?
what is hashing
Will this code give error if I try to add two heterogeneous elements in the arraylist? And why?
What is the top of a stack?
Define threaded binary tree. Explain its common uses
An array having 100 elements have numbers from 1 to 99 randomly out of which any number is repeated. Find the repeated number in minimum time and space complexity.
How many types of lists are there?
If we add enum constants to a sorted collection ( treemap , treeset ), what will be the order in which they will be maintained?