Define a priority queue?
What is difference between data type and variable?
What is time complexity of arrays sort?
What is the default size of arraylist?
What are the tasks performed during inorder traversal?
Can hashmap have duplicate keys?
How can we reverse the order in the treemap?
Does arraylist guarantee insertion order?
What are the scenarios in which an element can be inserted into the circular queue?
Explain what is binary search?
What is adt example?
Does array sort mutate?
Why is data structure needed?