Why is the isempty() member method called?
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Explain what is the data structures used to perform recursion?
What is the difference between arraylist and linkedlist?
How is a hashset implemented?
Difference between hashset and treeset?
What are the tasks performed while traversing a binary tree?
Why set will not allow duplicates?
What is array and string?
Is hashmap synchronized?
Define a relation?
Which interfaces are implemented by linkedlist?
Is hashset a collection?
What is integer max_value?