In tree construction which is the suitable efficient data structure?
(a) Array (b) Linked list (c) Stack (d) Queue (e) none
What is the capacity of arraylist?
What is peek in stack?
What is the difference between collections class vs collections interface?
Does hashset maintain order?
Does set allow null values?
Differentiate between push and pop?
Who invented quicksort?
Define general trees?
Why do we use a multidimensional array in data structure?
Explain the Queue
What do you mean by heap order property?
Can sets contain duplicates?