Learn Java from Scratch - A Beginner's Guide - Step 06 - List Interface - Methods to Add, Remove, and Change Elements an

This video tutorial explores the differences between array lists, linked lists, and vectors. It covers various operations on lists, such as adding, modifying, and removing elements. The tutorial emphasizes that lists can contain duplicates and demonstrates how to add elements at specific positions. It also explains how to modify and remove elements by index or value. The video concludes with exercises to practice these operations using different types of lists.

What is a key characteristic of lists created using 'list.of'?

• They are immutable.

• They are always empty.

• They are mutable.

• They allow duplicates.

How can you add an element to a specific position in an ArrayList?

• Using the 'add' method with an index.

• Using the 'insert' method.

• Using the 'append' method.

• Using the 'push' method.

What happens when you add a duplicate element to an ArrayList?

• The duplicate is added to the list.

• The duplicate replaces the original.

• An error is thrown.

• The duplicate is ignored.

Which method is used to change an element at a specific index in a list?

• update

• replace

• set

• modify

What is the result of removing an element by index from a list?

• The list becomes immutable.

• The element is removed and the list size decreases.

• The element is replaced with null.

• The element is marked as deleted but remains in the list.

How can you remove the first occurrence of a specific element from a list?

• By using the 'delete' method.

• By using the 'remove' method with the element.

• By using the 'erase' method.

• By using the 'clear' method.

What happens if you try to remove an element that is not present in the list?

• The last element is removed instead.

• The list is cleared.

• The method returns false.

• An exception is thrown.