It seems that your browser is not supported by our application.

A Brief Introduction to Methods and Functions

Operating with Operators

13 Lessons

Examine Scala operators, methods, their uses, and apply them in coding challenges.

An Introduction to Operators

Challenge: Using Multiple Operators

Solution Review: Using Multiple Operators

Operator Precedence

Challenge: Temperature Conversion

Solution Review: Temperature Conversion

String Interpolation with 's'

Strings and How to Use Them

17 Lessons

Grasp the fundamentals of string manipulation in Scala covering interpolation, formatting, and pattern matching.

An Introduction

Challenge: Embed a Variable in a String

Solution Review: Embed a Variable in a String

String Interpolation with 'f'

Challenge: Formatting Strings

Solution Review: Formatting Strings

String Interpolation with 'raw'

Testing String Equality

Creating Multiline Strings

Splitting Strings

Finding Patterns in Strings

Replacing Patterns in Strings

Methods for Comparing Strings

Challenge: Searching a String

Solution Review: Searching a String

A Brief Introduction to Objects and Classes

Scala's Collection Library

14 Lessons

Take a look at Scala's object-oriented principles, collections, and mutable vs. immutable types.

An Introduction to the Collection Library

foreach: A Collection Method

The Array Collection

ArrayBuffers

Challenge: Array of Integers

Solution Review: Array of Integers

Working with Lists

Challenge: Appending an Element to a List

Solution Review: Appending an Element to a List

Getting Started with Vectors

Creating a Range of Numbers

LazyList: A Lazy Version of List

Control Structures in Scala

Control Structures

17 Lessons

Focus on control structures in Scala, including if, while, for, try, and match expressions.

Decide with if

Optimizing an if Program

Challenge: Pass or Fail

Solution Review: Pass or Fail

Loop with while

Challenge: Oven is Ready!

Solution Review: Oven is Ready!

Iterate with for

Challenge: Array of Squares

Solution Review: Array of Squares

Exception Handling with try

Pattern Matching with Match

Challenge: Color Wheel

Solution Review: Color Wheel

Types of Patterns

Challenge: Absolute Value

Getting Started with Functions

18 Lessons

Master the steps to define and evaluate functions, recursion, lexical scope, and tail recursion in Scala.

Defining a Function

Solution Review: Absolute Value

Evaluation Strategies

Quiz: CBV or CBN?

Code Termination

Recursive Functions

Challenge: Sum of Lists

Solution Review: Sum of Lists

Learning by Example: Newton's Method

Blocks

Challenge: Max with Nested Functions

Solution Review: Max with Nested Functions

Lexical Scope

Tail Recursion

Challenge: Tail Recursion

Solution Review: Tail Recursion

What are Higher-Order Functions?

Higher-Order Functions

16 Lessons

Learn how to use higher-order functions, anonymous functions, and currying in Scala.

Learning by Example: Summation

Summation with Higher-Order Functions

Challenge: Write your First Higher-Order Function

Solution Review: Write Your First Higher-Order Function

Anonymous Functions

Summation with Anonymous Functions

Challenge: Anonymous Functions

Solution Review: Anonymous Functions

Functions Returning Functions

Currying

Summation with Currying

Expanding a Multiple Parameter List

Challenge: Using a Curried Function

Solution Review: Using a Curried Function

Creating a Class in Scala

Classes and Objects

7 Lessons

Unpack the core of object creation, constructors, and singleton objects in Scala.

Objects of a Class

Creating an Object Using Constructor Parameters

Learning by Example: checksum

Singleton Objects: Companion

Singleton Objects: Standalone

10.

Conclusion

1 Lessons

Explore advanced Scala topics and continue practicing for deeper mastery.

Where to Go from Here

Trusted by 2.5 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Recommended before starting this course

Course

Learn Object-Oriented Programming in C#

An introductory course on OOP in C#, covering concepts like classes, inheritence and polymorphism.

intermediate

9 hours

Course

Learn Object-Oriented Programming in Python

Gain insights into writing cleaner, modular, and scalable Python code through Object-Oriented Programming. Delve into inheritance, polymorphism, and more with interactive coding challenges and illustrations.

intermediate

Course

Learn Object-Oriented Programming in Java

Explore the fundamentals of OOP in Java. Gain insights into inheritance, polymorphism, and more to write clean, modular, reusable code through interactive exercises and practical challenges.

intermediate

Course

Learn Object-Oriented Programming in JavaScript

Master Object-Oriented Programming in JavaScript, covering concepts from basics to advanced techniques with interactive challenges.

intermediate

3 hours

Learn Object-Oriented Programming in C#

9 hour

Learn Object-Oriented Programming in Python

6 hour

Learn Object-Oriented Programming in Java

6 hour

Learn Object-Oriented Programming in JavaScript

3 hour

Related Courses and Skill Paths

Course

Learn Object-Oriented Programming in C++

Delve into Object-Oriented Programming in C++ and discover key concepts like classes, objects, inheritance, and polymorphism to create efficient, reusable, and secure code through hands-on challenges.

intermediate

Course

Learn Object-Oriented Programming in JavaScript

Master Object-Oriented Programming in JavaScript, covering concepts from basics to advanced techniques with interactive challenges.

intermediate

3 hours

Course

Learn Object-Oriented Programming in Python

intermediate

Course

Learn Object-Oriented Programming in Java

Explore the fundamentals of OOP in Java. Gain insights into inheritance, polymorphism, and more to write clean, modular, reusable code through interactive exercises and practical challenges.

intermediate

Learn Object-Oriented Programming in C++

6 hour

Learn Object-Oriented Programming in JavaScript

3 hour