Collections in Java

Gain insights into Java Collections Framework. Delve into lists, sets, and hashmaps. Learn about data modification, sorting, thread-safety, and internal workings for efficient usage.

Intermediate

57 Lessons

Certificate of Completion

Gain insights into Java Collections Framework. Delve into lists, sets, and hashmaps. Learn about data modification, sorting, thread-safety, and internal workings for efficient usage.

AI-POWERED

Explanations

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This course includes

106 Playgrounds

5 Quizzes

This course includes

106 Playgrounds

5 Quizzes

Course Overview

Collection is one of the most important topics for Java programming. Without the proper knowledge of every collection type in Java, it becomes difficult for you to decide which option to pick in a particular scenario. This course will give you a great understanding of all collection types available in the Collections Framework like lists, linked lists, sets, and hashmaps. After completing this course, you will know how data can be modified within a collection, how to sort a collection, and how it can be ...Show More

TAKEAWAY SKILLS

Java

Programming Language

Data Structures

Course Content

Let's Begin

Get familiar with Java collections, their types, functions, and usage for better coding.

Course Introduction

Introduction to Collections

Lists in Java

Get started with managing, iterating, and sorting ArrayLists, and applying basic operations.

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

Examine Java's LinkedList structure, operations, methods for fetching, removing, and sorting elements.

LinkedList: Introduction

LinkedList: Fetching and Removing

CopyOnWriteArrayList in Java

Enhance your skills in using CopyOnWriteArrayList for thread-safe Java collections.

CopyOnWriteArrayList: Introduction

CopyOnWriteArrayList: Internal Working

CopyOnWriteArrayList: Iteration

Sets in Java

Solve problems in creating, managing, and iterating HashSet; identify duplicates efficiently.

HashSet: Creation and Insertion

HashSet: Operations

HashSet: Iteration and Sorting

HashSet: Exercise

HashSet: Exercise Solution

HashSet: Quiz

TreeSet in Java

4 Lessons

Follow the process of creating, managing, and solving problems using TreeSets in Java.

HashMap In Java

10 Lessons

Master the steps to create, update, and optimize HashMaps, including key design and iteration.

TreeMap in Java

4 Lessons

Step through creating, inserting, fetching, removing, and sorting elements in Java TreeMap.

LinkedHashMap in Java

2 Lessons

Explore the structure and behavior of LinkedHashMap, maintaining insertion order in Java collections.

10.

Additional Map Implementations

3 Lessons

Work your way through ConcurrentHashMap, IdentityHashMap, and EnumMap for efficient and specialized Map usage.

11.

Arrays Class

5 Lessons

Grasp the fundamentals of Java's Arrays class, including searching, sorting, copying, and performing operations.

12.

Collections Class

5 Lessons

Make Java collections efficient and secure with min, max, and thread-safe methods.

Course Author

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Souvik Kundu

Front-end Developer

Eric Downs

Musician/Entrepeneur

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

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