Which collection allows null values?
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Is hashmap a data structure?
Which is faster hashmap or treemap?
What is the minimum number of nodes that a binary tree can have?
What is a Stack? Explain with example?
How many sorting are there in data structure?
How will you sort the elements of array in descending order?
What is the meaning of anonymous array? Explain with an example?
what is Linked lists?
Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree (b) Complete Binary Tree.
Define leaves?
What are the advantages of modularity?
Treemap orders the elements on which field?