Selenium WebDriver with Java - Basics to Advanced and Frameworks - Examples of Array List

The video tutorial covers the basics of ArrayList in Java, including methods like indexOf, isEmpty, and size. It explains how ArrayLists can dynamically grow and accept duplicate values, unlike arrays. The tutorial also highlights the differences between arrays and ArrayLists, and introduces the list interface, which ArrayList implements. The video concludes with a brief mention of the Set interface, which will be covered in the next lecture.

Which method is used to find the index of an element in an ArrayList?

• getIndex()

• findIndex()

• indexOf()

• locateIndex()

What does the 'isEmpty' method return if an ArrayList contains elements?

• False

• An exception

• True

• Null

How do you determine the number of elements in an ArrayList?

• Using the length property

• Using the size() method

• Using the count() method

• Using the total() method

Which of the following classes can accept duplicate values?

• HashSet

• TreeSet

• ArrayList

• HashMap

Which classes implement the List interface?

• HashSet, TreeSet, LinkedHashSet

• Queue, Deque, PriorityQueue

• ArrayList, LinkedList, Vector

• HashMap, TreeMap, LinkedHashMap

What is a key difference between arrays and ArrayLists?

• ArrayLists do not allow duplicate values, arrays do

• Arrays have a fixed size, ArrayLists can grow dynamically

• ArrayLists have a fixed size, arrays do not

• Arrays can grow dynamically, ArrayLists cannot

What will be discussed in the next lecture following ArrayLists?

• Map interface

• Stream API

• Set interface

• Queue interface