Scala cookbook

Save time and trouble building object-oriented, functional, and concurrent applications with Scala 3. The latest edition of this comprehensive cookbook is packed with more than 250 ready-to-use recipes and 700 code examples to help you solve the most common problems when working with Scala and its p...

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Detalles Bibliográficos
Otros Autores:	Alexander, Alvin, author (author)
Formato:	Libro electrónico
Idioma:	Inglés
Publicado:	Sebastopol, California : O'Reilly Media, Incorporated [2021]
Edición:	Second edition
Materias:	Scala (Computer program language) Programming languages (Electronic computers)
Ver en Biblioteca Universitat Ramon Llull:	https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009631118206719

Tabla de Contenidos:

Intro
Copyright
Table of Contents
Preface
Conventions Used in This Book
Using Code Examples
O'Reilly Online Learning
How to Contact Us
Acknowledgments
Chapter 1. Command-Line Tasks
1.1 Getting Started with the Scala REPL
Problem
Solution
Discussion
See Also
1.2 Loading Source Code and JAR Files into the REPL
Problem
Solution
Discussion
1.3 Getting Started with the Ammonite REPL
Problem
Solution
Discussion
1.4 Compiling with scalac and Running with scala
Problem
Solution
Discussion
1.5 Disassembling and Decompiling Scala Code
Problem
Solution
Discussion
See Also
1.6 Running JAR Files with Scala and Java
Problem
Solution
Discussion
See Also
Chapter 2. Strings
2.1 Testing String Equality
Problem
Solution
Discussion
See Also
2.2 Creating Multiline Strings
Problem
Solution
Discussion
2.3 Splitting Strings
Problem
Solution
Discussion
2.4 Substituting Variables into Strings
Problem
Solution
Discussion
See Also
2.5 Formatting String Output
Problem
Solution
Discussion
See Also
2.6 Processing a String One Character at a Time
Problem
Solution
Discussion
A Complete Example
See Also
2.7 Finding Patterns in Strings
Problem
Solution
Discussion
See Also
2.8 Replacing Patterns in Strings
Problem
Solution
See Also
2.9 Extracting Parts of a String That Match Patterns
Problem
Solution
Discussion
See Also
2.10 Accessing a Character in a String
Problem
Solution
Discussion
2.11 Creating Your Own String Interpolator
Problem
Solution
Discussion
See Also
2.12 Creating Random Strings
Problem
Solution
Discussion
See Also
Chapter 3. Numbers and Dates
3.1 Parsing a Number from a String.
Problem
Solution
Discussion
See Also
3.2 Converting Between Numeric Types (Casting)
Problem
Solution
Discussion
3.3 Overriding the Default Numeric Type
Problem
Solution
Discussion
3.4 Replacements for ++ and −−
Problem
Solution
Discussion
3.5 Comparing Floating-Point Numbers
Problem
Solution
Discussion
See Also
3.6 Handling Large Numbers
Problem
Solution
Discussion
See Also
3.7 Generating Random Numbers
Problem
Solution
Discussion
3.8 Formatting Numbers and Currency
Problem
Solution
Locales
Discussion
3.9 Creating New Date and Time Instances
Problem
Solution
3.10 Calculating the Difference Between Two Dates
Problem
Solution
Discussion
3.11 Formatting Dates
Problem
Solution
3.12 Parsing Strings into Dates
Problem
Solution
Chapter 4. Control Structures
for Loops and for Expressions
if/then/else-if Expressions
match Expressions and Pattern Matching
try/catch/finally Blocks
while Loops
Control Structures as a Defining Feature of Programming Languages
4.1 Looping over Data Structures with for
Problem
Solution
Discussion
See Also
4.2 Using for Loops with Multiple Counters
Problem
Solution
Discussion
See Also
4.3 Using a for Loop with Embedded if Statements (Guards)
Problem
Solution
Discussion
4.4 Creating a New Collection from an Existing Collection with for/yield
Problem
Solution
Discussion
See Also
4.5 Using the if Construct Like a Ternary Operator
Problem
Solution
Discussion
4.6 Using a Match Expression Like a switch Statement
Problem
Solution
Discussion
See Also
4.7 Matching Multiple Conditions with One Case Statement
Problem
Solution
See Also.
4.8 Assigning the Result of a Match Expression to a Variable
Problem
Solution
Discussion
4.9 Accessing the Value of the Default Case in a Match Expression
Problem
Solution
Discussion
4.10 Using Pattern Matching in Match Expressions
Problem
Solution
Discussion
See Also
4.11 Using Enums and Case Classes in match Expressions
Problem
Solution
Discussion
4.12 Adding if Expressions (Guards) to Case Statements
Problem
Solution
Discussion
4.13 Using a Match Expression Instead of isInstanceOf
Problem
Solution
Discussion
See Also
4.14 Working with a List in a Match Expression
Problem
Solution
Discussion
See Also
4.15 Matching One or More Exceptions with try/catch
Problem
Solution
Discussion
See Also
4.16 Declaring a Variable Before Using It in a try/catch/finally Block
Problem
Solution
Discussion
See Also
4.17 Creating Your Own Control Structures
Problem
Solution
Discussion
See Also
Chapter 5. Classes
Classes and Case Classes
5.1 Choosing from Domain Modeling Options
Problem
Solution
Discussion
See Also
5.2 Creating a Primary Constructor
Problem
Solution
Discussion
5.3 Controlling the Visibility of Constructor Fields
Problem
Solution
Discussion
See Also
5.4 Defining Auxiliary Constructors for Classes
Problem
Solution
Discussion
5.5 Defining a Private Primary Constructor
Problem
Solution
Discussion
5.6 Providing Default Values for Constructor Parameters
Problem
Solution
Discussion
5.7 Handling Constructor Parameters When Extending a Class
Problem
Solution
Discussion
5.8 Calling a Superclass Constructor
Problem
Solution
Discussion
5.9 Defining an equals Method (Object Equality)
Problem
Solution
Discussion.
See Also
5.10 Preventing Accessor and Mutator Methods from Being Generated
Problem
Solution
Discussion
5.11 Overriding Default Accessors and Mutators
Problem
Solution
Discussion
5.12 Assigning a Block or Function to a (lazy) Field
Problem
Solution
Discussion
See Also
5.13 Setting Uninitialized var Field Types
Problem
Solution
Discussion
See Also
5.14 Generating Boilerplate Code with Case Classes
Problem
Solution
Discussion
See Also
5.15 Defining Auxiliary Constructors for Case Classes
Problem
Solution
See Also
Chapter 6. Traits and Enums
6.1 Using a Trait as an Interface
Problem
Solution
Discussion
See Also
6.2 Defining Abstract Fields in Traits
Problem
Solution
Discussion
See Also
6.3 Using a Trait Like an Abstract Class
Problem
Solution
Discussion
See Also
6.4 Using Traits as Mixins
Problem
Solution
Discussion
See Also
6.5 Resolving Method Name Conflicts and Understanding super
Problem
Solution
Discussion
See Also
6.6 Marking Traits So They Can Only Be Used by Subclasses of a Certain Type
Problem
Solution
Discussion
See Also
6.7 Ensuring a Trait Can Only Be Added to a Type That Has a Specific Method
Problem
Solution
Discussion
6.8 Limiting Which Classes Can Use a Trait by Inheritance
Problem
Solution
Discussion
6.9 Working with Parameterized Traits
Problem
Solution
Discussion
6.10 Using Trait Parameters
Problem
Solution
Discussion
6.11 Using Traits to Create Modules
Problem
Solution
Discussion
See Also
6.12 How to Create Sets of Named Values with Enums
Problem
Solution
Discussion
See Also
6.13 Modeling Algebraic Data Types with Enums
Problem
Solution
Discussion
See Also.
Chapter 7. Objects
7.1 Casting Objects
Problem
Solution
Discussion
7.2 Passing a Class Type with the classOf Method
Problem
Solution
Discussion
See Also
7.3 Creating Singletons with object
Problem
Solution
Discussion
See Also
7.4 Creating Static Members with Companion Objects
Problem
Solution
Discussion
See Also
7.5 Using apply Methods in Objects as Constructors
Problem
Solution
Discussion
See Also
7.6 Implementing a Static Factory with apply
Problem
Solution
Discussion
See Also
7.7 Reifying Traits as Objects
Problem
Solution
Discussion
See Also
7.8 Implementing Pattern Matching with unapply
Problem
Solution
See Also
Chapter 8. Methods
8.1 Controlling Method Scope (Access Modifiers)
Problem
Solution
Discussion
8.2 Calling a Method on a Superclass or Trait
Problem
Solution
8.3 Using Parameter Names When Calling a Method
Problem
Solution
Discussion
8.4 Setting Default Values for Method Parameters
Problem
Solution
Discussion
8.5 Creating Methods That Take Variable-Argument Fields
Problem
Solution
Discussion
8.6 Forcing Callers to Leave Parentheses Off Accessor Methods
Problem
Solution
Discussion
See Also
8.7 Declaring That a Method Can Throw an Exception
Problem
Solution
Discussion
See Also
8.8 Supporting a Fluent Style of Programming
Problem
Solution
Discussion
See Also
8.9 Adding New Methods to Closed Classes with Extension Methods
Problem
Solution
Discussion
See Also
Chapter 9. Packaging and Imports
9.1 Packaging with the Curly Braces Style Notation
Problem
Solution
Discussion
9.2 Importing One or More Members
Problem
Solution
Discussion
9.3 Renaming Members on Import
Problem
Solution.
Discussion.

Scala cookbook

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