What is queue in data structure?
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Is an arraylist an object?
How many types of lists are there?
Differentiate between hashmap and hashtable.
Define primary clustering?
When should structures be passed by values or by reference?
Explain the difference between a list and array.
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).
What is difference between tree and forest?
What are skew trees? For a tree with 4 nodes draw all possible binary? Generalize for n nodes how many binary trees can be drawn?
Define a linear and non linear data structure.
Which sorting algorithm is best for small data?
What data structure underlies a python list?
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