How do you rotate an AVL tree?
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Is copyonwritearraylist thread safe?
What is difference between hashmap and treemap?
State the different types of linked lists?
What are basic algorithms?
What are the types of collision resolution strategies in open addressing?
What is precision?
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).
Define an algorithm. What are the properties of an algorithm?
What’s the difference between enumeration and iterator interfaces?
Why do we use hashmap?
Can you provide some implementation of a dictionary having large number of words?
Is hashmap get thread safe?