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Course Introduction Introduction to Collections

Lists in Java

ArrayList: Introduction

ArrayList: Inserting and Retrieving Elements

ArrayList: Operations

ArrayList: Iteration

ArrayList: Iteration using ListIterator

ArrayList Sorting

Understanding Comparable Interface

Understanding Comparator Interface

ArrayList: Exercise

ArrayList: Exercise Solution

Quiz: ArrayList

LinkedList in Java

LinkedList: Introduction LinkedList: Fetching and Removing

CopyOnWriteArrayList in Java

CopyOnWriteArrayList: Introduction CopyOnWriteArrayList: Internal Working CopyOnWriteArrayList: Iteration

Sets in Java

HashSet: Creation and Insertion HashSet: Operations HashSet: Iteration and Sorting HashSet: Exercise HashSet: Exercise Solution HashSet: Quiz

TreeSet in Java

TreeSet: Creation and Insertion TreeSet: Fetching and Removal TreeSet: Exercise TreeSet Exercise Solution

HashMap In Java

HashMap: Creation and Insertion HashMap: Updation and Removal HashMap: Operations HashMap: Java 8 Improvements HashMap: Internal Implementation HashMap: How to Design a Good Key HashMap: Iteration HashMap: Exercise HashMap: Exercise Solution HashMap: Quiz

TreeMap in Java

TreeMap: Creation and Insertion TreeMap: Fetching and Removal TreeMap: Sorting a TreeMap by Values TreeMap: HashMap Sorting

LinkedHashMap in Java

LinkedHashMap: Introduction LinkedHashMap: Internal Working

Additional Map Implementations

ConcurrentHashMap IdentityHashMap EnumMap

Arrays Class

Searching an Array Sorting an Array Copying an Array Arrays: Operations Quiz: Arrays

Collections Class

Finding the Min and Max element Searching, Filing, and Copying Collection Making Collections Unmodifiable Making Collections thread-safe Thank You!

Collections in Java/

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Quiz: ArrayList

Quiz: ArrayList

We'll cover the following...

Technical Quiz

1.

We have a list with 3 elements, i.e. [5, 3, 1], and the following code is executed.

nums.add(6);

nums.add(0, 4);

nums.remove(1);

What will be the resulting List?

A.

[5,3,1,6]

B.

[4,3,1,6]

C.

[4,3,6]

D.

[4,5,3,6]

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