Which searching algorithm is best?
What is the difference between a Stack and a Queue.
Define forest?
Differentiate between singly and doubly linked lists?
How would you sort words in a large file?
Can arraylist store primitives?
What are different sorting algorithms?
what is hashing
Which data structure is applied when dealing with a recursive function?
Is array part of collection framework?
Why do we use hashmap?
What is difference between tree and binary tree?
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).