How does hashset maintain order?
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Provide an algorithm to reverse a linked list without using recursion.
Can you distinguish between ArrayList and Array?
Can you make an arraylist of arrays?
How do I start preparing for placement?
What data structure would you mostly likely see in a non recursive implementation of a recursive algorithm?
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).
How would you use bsearch() function to search a name stored in array of pointers to string?
State the difference between persistent and ephemeral data structure?
Does arraylist allow null values?
What are binary trees?
What is difference between stack and queue?
What is the time complexity of hashmap get () and put () method?