Can map contain duplicate keys?
What does a bubble chart show?
What is default size of hashmap?
Does treeset allow null values?
What is the difference between arraylist and array?
Explain what is the bucket size, when the overlapping and collision occur at same time?
In rdbms, explain what is the efficient data structure used in the internal storage representation?
Which sorting algorithm is used in arrays sort?
Which sorting is best for large data?
What are different types of sorting algorithms?
Define depth and height of a tree?
What do you mean by Runtime Error
Can sets contain duplicates?
What is garbage collection in data structure?
Is a hash table a map?