The ArrayList class implements the List interface. It uses a dynamic array to store the duplicate element of different data types. The ArrayList class maintains the insertion order and is non-synchronized. The elements stored in the ArrayList class can be randomly accessed. Consider the following example.

Which of the following statements is true regarding ArrayList in Java? a. ArrayList is a synchronized data structure, making it thread-safe. b. ArrayList allows duplicate elements and maintains insertion order. c. ArrayList has a fixed size that must be specified at creation and cannot be changed. d. ArrayList can only store primitive data types like int, double, and char.

Which of the following methods is used to shuffle the elements of an ArrayList in Java?Question 24Answera.shuffle()b.mix()c.randomize()d.Collections.shuffle()

When considering the efficiency of insertion and deletion operations, what is the primary difference between an array-based list and a linked list?

Both array and LinkedList in Java have indexes that allow elements to be accessed by their position within the collection. When you should choose to use LinkedList rather than array?AWhen you frequently perform addition and removal of data at any point of the collection.BWhen you frequently search for a value from the collection.CWhen you frequently update the existing values in the collection.DWhen you want print all values in the collection.

Which of the following is an interface provided by Java collection?a)priority queueb)vectorc)linked listd)sete)arraylist