Can we add or delete an element after assigning an array?
Can we insert null in list?
Can map contain duplicate keys?
What is ordered map?
Can we insert null in hashset?
What are the 3 types of variables?
Explain set interface?
What is the use of heap sort?
What are the different types of sorting? Explain the difference between them.
Differentiate between the singly linked list and doubly linked list.
how to find the number of possible tree in the given tree.
12 Answers Persistent, TCS, Wipro,
Explain the principle of quicksort. What is its complexity?
How do you empty an arraylist?