State the difference between arrays and linked lists?
Sorting is not possible by using which of the methods?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
Is hashmap a collection?
Why do we Use a Multidimensional Array?
How memory is reserved using a declaration statement ?
You are given a singly linked list. How would you find out if it contains a loop or not without using temporary space?
Describe binary tree and its property.
How null key is handled in hashmap?
What is copyonwritearraylist?
Does treemap allow duplicate keys?
Is quicksort a stable algorithm?
Which algorithm is used in arrays sort?