Get Programming with Scala MEAP V05 1st edition by Daniela Sfregola 1638352259 9781638352259

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ISBN-10 :  1638352259 

ISBN-13 :  9781638352259

Author:  Daniela Sfregola 

The perfect starting point for your journey into Scala and functional programming. Summary In Get Programming in Scala you will learn:     Object-oriented principles in Scala     Express program designs in functions     Use types to enforce program requirements     Use abstractions to avoid code duplication     Write meaningful tests and recognize code smells Scala is a multi-style programming language for the JVM that supports both object-oriented and functional programming. Master Scala, and you’ll be well-equipped to match your programming approach to the type of problem you’re dealing with. Packed with examples and exercises, Get Programming with Scala is the perfect starting point for developers with some OO knowledge who want to learn Scala and pick up a few FP skills along the way. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology Scala developers are in high demand. This flexible language blends object-oriented and functional programming styles so you can write flexible, easy-to-maintain code. Because Scala runs on the JVM, your programs can interact seamlessly with Java libraries and tools. If you’re comfortable writing Java, this easy-to-read book will get you programming with Scala fast. About the book Get Programming with Scala is a fast-paced introduction to the Scala language, covering both Scala 2 and Scala 3. You’ll learn through lessons, quizzes, and hands-on projects that bring your new skills to life. Clear explanations make Scala’s features and abstractions easy to understand. As you go, you’ll learn to write familiar object-oriented code in Scala and also discover the possibilities of functional programming.

Get Programming with Scala MEAP V05 1st Table of contents:

1 Why Scala?
1.1 Why Scala?
1.2 Scala and the JVM
1.3 Scala’s key features
Summary
2 The Scala environment
2.1 The REPL installation
2.2 The REPL commands
2.3 The REPL code evaluation
2.4 Other development tools
2.4.1 Git installation
2.4.2 Docker installation
Summary
3 Scala Build Tool (sbt)
3.1 Why sbt?
3.2 sbt installation
3.3 sbt commands
3.4 Your first sbt project
3.5 sbt project structure
Summary
Unit 1. The Basics
4 Values and variables
4.1 Values
4.2 Variables
Summary
Answers to quick checks
5 Conditional constructs and loops
5.1 If-else construct
5.2 While loop
5.3 For loop
Summary
Answers to quick checks
6 Function as the most fundamental block of code
6.1 Functions
Summary
Answers to quick checks
7 Classes and subclasses to represent the world
7.1 Class
7.2 Subclass
7.3 Abstract class
Summary
Answers to quick checks
8 The vending machine
8.1 Setting up the vending machine
8.1.1 The VendingMachine class and its APIs
8.1.2 The vending machine and its operations
8.1.3 Let’s try it out
8.2 Possible improvements to our solution
Summary
Unit 2. Object-oriented fundamentals
9 Import and create packages
9.1 Import an existing package
9.2 Create a package
Summary
Answers to quick checks
10 Scope your code with access modifiers
10.1 Public, the default access modifier
10.2 Private
10.3 Protected
10.4 Which access level to use?
Summary
Answers to quick checks
11 Singleton objects
11.1 Object
11.2 Executable object
11.3 Companion object
11.4 The apply method
Summary
Answers to quick checks
12 Traits as interfaces
12.1 Defining traits
12.2 Extending traits
12.3 Sealed traits
12.4 Enumeration in Scala 3
Summary
Answers to quick checks
13 What time is it?
13.1 What time is it?
13.1.1 sbt project setup
13.1.2 The business logic layer
13.1.3 The TimeApp executable object
13.1.4 Let’s try it out!
13.2 Possible improvements to our solution
Summary
Unit 3. HTTP server
14 Pattern matching
14.1 If-else construct vs. pattern matching
14.2 Sealed pattern matching
Summary
Answers to quick checks
15 Anonymous functions
15.1 Function vs. anonymous function
15.2 Concise notation for anonymous functions
Summary
Answers to quick checks
16 Partial functions
16.1 Partial functions
16.1.1 Implementing a partial function
16.1.2 Function composition
16.2 Use case: Exception handling
Summary
Answers to quick checks
17 HTTP API with http4s
17.1 An overview of http4s
17.2 A ping server using http4s
17.2.1 Initial setup
17.2.2 Implementing the API
17.2.3 Building a server
17.2.4 Let’s try it out!
Summary
Answers to quick checks
18 The time HTTP server
18.1 What time is it?
18.1.1 Setting your sbt project up
18.1.2 The TimePrinter class
18.1.3 The API routes
18.1.4 The HTTP server
18.1.5 Let’s try it out!
18.2 Possible improvements to our solution
Summary
Unit 4. Immutable data and structures
19 Case classes to structure your data
19.1 Case class
19.2 Pattern matching and case classes
19.3 Case object
Summary
Answers to quick checks
20 Higher order functions
20.1 Functions as parameters
20.2 Functions as return values
Summary
Answers to quick checks
21 What is purity?
21.1 A definition of purity
21.2 Differentiating between pure and impure functions
Summary
Answers to quick checks
22 Option
22.1 Why Option?
22.2 Creating an Option
22.3 Pattern matching on Option
Summary
Answers to quick checks
23 Working with Option: map and flatMap
23.1 Transforming an Option
23.1.1 The map function
23.1.2 The flatten function
23.1.3 The flatMap function
Summary
Answers to quick checks
24 Working with Option: For-comprehension
24.1 For-comprehension on Option
24.1.1 For-comprehension as syntactic sugar for nested map and flatMap calls
24.1.2 Filtering values within for-comprehension
24.2 Other operations on Option
Summary
Answers to quick checks
25 Tuple and unapply
25.1 Tuples
25.2 Implementing the unapply method
Summary
Answers to quick checks
26 Rock, Paper, Scissors, Lizard, Spock!
26.1 Implementing Rock, Paper, Scissors, Lizard, Spock!
26.1.1 sbt project setup and packages
26.1.2 Defining a symbol
26.1.3 Representing a player
26.1.4 Defining a game
26.1.5 The API routes
26.1.6 The HTTP server
26.1.7 Let’s try it out!
26.2 Possible improvements to our solution
Summary
Unit 5. List
27 List
27.1 Creating a list
27.2 Adding elements to a list
27.3 Pattern matching on a list
Summary
Answers to quick checks
28 Working with List: map and flatMap
28.1 The map, flatten, and flatMap operations
28.1.1 The map function
28.1.2 The flatten function
28.1.3 The flatMap function
28.2 For-comprehension
Summary
Answers to quick checks
29 Working with List: Properties
29.1 Size of a list
29.2 Properties of the elements in a list
Summary
Answers to quick checks
30 Working with List: Element selection
30.1 Selecting an element by its position
30.2 Finding an element with given features
30.3 Picking the minimum or maximum item
Summary
Answers to quick checks
31 Working with List: Filtering
31.1 Dropping and taking elements
31.2 Filtering Items of a list
31.3 Removing duplicates
Summary
Answers to quick checks
32 Working with List: Sorting and other operations
32.1 Sorting elements
32.2 Converting a list to a string
32.3 Sum elements of numerical sequences
32.4 Grouping elements by feature
Summary
Answers to quick checks
33 The movies dataset
33.1 Download the base project
33.2 Parsing a movie entity
33.3 Printing query results
33.4 Querying the movie data set
Summary
Unit 6. Other collections and error handling
34 Set
34.1 Creating a set
34.2 Adding and removing elements
34.3 The map, flatten, and flatMap operations
34.3.1 The map function
34.3.2 The flatten function
34.3.3 The flatMap function
34.4 For-comprehension
Summary
Answers to quick checks
35 Working with Set
35.1 The Union, Intersection, and Difference operations
35.2 Other operations on Set
Summary
Answers to quick checks
36 Map
36.1 Creating Map
36.2 Adding and removing elements
36.3 Merge and remove multiple entries
36.4 The map and flatMap operations
36.4.1 The map function
36.4.2 The flatMap function
36.5 For-comprehension
Summary
Answers to quick checks
37 Working with Map
37.1 Retrieving a value for a given key
37.2 Getting all keys and values
37.3 Other operations on Map
Summary
Answers to quick checks
38 Either
38.1 Why Either?
38.2 Creating an Either
38.3 Pattern matching on Either
38.4 The map and flatMap operations
38.4.1 The map function
38.4.2 The flatMap function
38.5 For-comprehension
Summary
Answers to quick checks
39 Working with Either
39.1 Retrieving an Either value
39.2 Properties of an Either value
Summary
Answers to quick checks
40 Error handling with Try
40.1 Creating a Try
40.2 Pattern matching on Try
40.3 The map, flatten, and flatMap operations
40.3.1 The map function
40.3.2 The flatten function
40.3.3 The flatMap function
40.4 For-comprehension
40.5 Other operations on Try
Summary
Answers to quick checks
41 The library application
41.1 Download the base project
41.2 Parsing a book entity
41.3 The business logic layer
41.3.1 Performing a book search
41.3.2 Reserving a book
41.3.3 Returning a book
41.4 Let’s give it a try!
41.5 Possible improvements to our solution

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Tags: Get Programming, Scala MEAP, Daniela Sfregola, functional programming