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?
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What do you mean by recursive definition?
Write a Program for Reverse a linked list.
Define Data Structures?
List the data structures which are used in hierarchical data model.
Why is hashset used?
What is meant by heap sort?
Does treeset allow null?
Can a hashmap have duplicate keys?
What are the advantages of sorting and filtering data?
State the different ways of representing expressions?
What is the complexity of adding an element to the heap?
Define terminal nodes in a tree?