Beginning Scala, Second Edition

Table of contents

1. Cover
2. Title
3. Copyright
4. Contents at a Glance
5. Contents
6. About the Authors
7. About the Technical Reviewer
8. Introduction
9. Chapter 1: Getting Started with Scala
   1. Why Scala?
      1. A Concise Language
      2. Lightweight Syntax
      3. Multiparadigm Language
      4. Interoperability and Seamless Integration with Java
      5. Language for the Java Virtual Machine
   2. Installing Scala
   3. Scala at the Command Line and Scala Scripts
      1. Interactive Scala
      2. Scala Scripts
      3. Compiling Scala Programs
   4. Your First Scala Programs
      1. Hello World
      2. Printing Some Numbers
   5. Summary
10. Chapter 2: Basics of Scala
    1. Variables
    2. Scala Type Hierarchy
       1. Any, AnyVal and AnyRef Types
       2. Numeric Types
       3. Boolean Type
       4. Char Type
       5. Unit type
       6. Nothing and Null Types
    3. Strings
       1. String Interpolation
    4. Functions
       1. Function without Parameter
       2. Function with Parameters
    5. Arrays, Lists, Ranges, and Tuples
       1. Arrays
       2. Lists
       3. Ranges
       4. Tuples
    6. Built-in Control Structures
       1. If Expressions
       2. While Loops
       3. For Comprehension
       4. try expressions
       5. Match Expressions
    7. Comments
    8. Summary
11. Chapter 3: Object Orientation in Scala
    1. Classes and Objects
       1. Constructors
       2. Method Declaration
       3. Code Blocks
       4. Call-by-Name
       5. Method Invocation
       6. Objects
    2. Packaging and Imports
    3. Inheritance
       1. Extending Class
    4. Traits
    5. Case Classes
    6. Value Classes
    7. Scala versus Java versus Ruby
       1. Classes and Instances
       2. Traits, Interfaces, and Mixins
       3. Object, Static, and Singletons
       4. Functions, Anonymous Inner Classes, and Lambdas/Procs
    8. Summary
12. Chapter 4: Functional Programming in Scala
    1. Expression-Oriented Programming
    2. A Pure Function
       1. Referential Transparency
    3. Function Literal/Anonymous Function
    4. First Class Function and Higher Order Function
       1. Function as Variable
       2. Function as Parameter
       3. Returning a Function
    5. Closure
    6. Partially Applied Function
    7. Curried Function
    8. Function Composition
    9. Tail Calls and Tail Call Optimization
    10. Call-by-Name, Call-by-Value, and General Laziness
    11. Summary
13. Chapter 5: Pattern Matching
    1. Basic Pattern Matching
       1. Matching Any Type
       2. Pattern Matching in Lists
       3. Pattern Matching and Lists
    2. Pattern Matching and Case Classes
       1. Nested Pattern Matching in Case Classes
    3. Pattern Matching As Functions
    4. Object-Oriented and Functional Tensions
       1. Shape Abstractions
    5. Summary
14. Chapter 6: Scala Collections
    1. Scala Collection Hierarchy
       1. package scala.collection
       2. package scala.collection.immutable
       3. package scala.collection.mutable
    2. Using Immutable Collection Classes
       1. Vector
       2. List[T]
       3. Range
       4. Stream
       5. Tuples
       6. Map[K, V]
    3. Mutable Collections
    4. Summary
15. Chapter 7: Traits
    1. Using Traits as Mixins
    2. Traits and Class Hierarchies
    3. Summary
16. Chapter 8: Scala Type System
    1. Unified Type System
    2. Type Parameterization
       1. Variance
       2. Rules of Variance
    3. Type Bounds
       1. Upper Type Bounds
       2. Lower Type Bounds
    4. Implicit Class
    5. Abstract Types
       1. Higher-Kinded Types
    6. Summary
17. Chapter 9: Scala and Java Interoperability
    1. Translating Java Classes to Scala Classes
    2. JavaBeans Specification Compliant Scala Classes
    3. Java Interfaces and Scala Traits
    4. Java Static Members and Scala Objects
    5. Handling Exceptions
    6. Summary
18. Chapter 10: DSL and Parser Combinator
    1. Domain Specific Language (DSL)
       1. Internal DSLs
       2. External DSLs
    2. Parser Combinator
       1. Higher-Order Functions and Combinators
       2. Combinators
       3. The Calculator Parser
    3. Summary
19. Chapter 11: Simple Build Tool - SBT
    1. Getting Started with SBT
       1. Installing SBT
       2. Creating Hello World Project
    2. Build Definition
    3. LibraryDependencies and Resolvers
    4. Plugins
    5. Summary
20. Chapter 12: Scala for Web Application
    1. Scala Web Frameworks
       1. Lift
       2. Play 2
    2. Getting Started with the Standalone Distribution
       1. Anatomy of Play Application
       2. MVC in Play 2
       3. HelloWorld Java Application with Play
    3. Getting Started with the Activator Distribution
    4. Actions, Controllers, and Results
    5. Summary
21. Chapter 13: Scala Best Practices
    1. Recognizing the Functional Style
    2. Writing Pure Functions
    3. Leverage Type Inferencing
    4. Think Expressions
    5. Focus on Immutability
    6. Keep Methods Short
    7. Use Options Instead of Null Testing
    8. Refactor Mercilessly
    9. Compose Functions and Compose Classes
    10. Scala Design Patterns
        1. Singleton
        2. Factory Method
        3. Strategy
        4. Template Method
        5. Adapter
    11. Summary
22. Index