Programming in Scala: [a comprehensive step-by-step guide]
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Mountain View, Calif.
Artima Press
2008
|
| Ausgabe: | 1. ed. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XXXIX, 736 S. graph. Darst. |
| ISBN: | 0981531601 9780981531601 |
Internformat
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV035338888 | ||
| 003 | DE-604 | ||
| 005 | 20121011 | ||
| 007 | t | ||
| 008 | 090302s2008 d||| |||| 00||| eng d | ||
| 010 | |a 2008941209 | ||
| 020 | |a 0981531601 |9 0-9815316-0-1 | ||
| 020 | |a 9780981531601 |9 978-0-9815316-0-1 | ||
| 035 | |a (OCoLC)551961150 | ||
| 035 | |a (DE-599)HBZHT015742397 | ||
| 040 | |a DE-604 |b ger |e rakwb | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-91G |a DE-523 |a DE-29T |a DE-92 |a DE-526 |a DE-861 |a DE-83 |a DE-384 |a DE-859 |a DE-M347 |a DE-11 |a DE-B768 | ||
| 050 | 0 | |a QA76.73.S28 O44 2008 | |
| 082 | 0 | |a 006.76 | |
| 084 | |a ST 250 |0 (DE-625)143626: |2 rvk | ||
| 084 | |a ST 326 |0 (DE-625)143662: |2 rvk | ||
| 084 | |a DAT 368f |2 stub | ||
| 100 | 1 | |a Odersky, Martin |d 1958- |e Verfasser |0 (DE-588)174103611 |4 aut | |
| 245 | 1 | 0 | |a Programming in Scala |b [a comprehensive step-by-step guide] |c Martin Odersky ; Lex Spoon ; Bill Venners |
| 250 | |a 1. ed. | ||
| 264 | 1 | |a Mountain View, Calif. |b Artima Press |c 2008 | |
| 300 | |a XXXIX, 736 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 650 | 4 | |a Scala (Computer program language) | |
| 650 | 4 | |a Programming languages (Electronic computers) | |
| 650 | 4 | |a Computer programming | |
| 650 | 0 | 7 | |a Scala |g Programmiersprache |0 (DE-588)7658965-1 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Scala |g Programmiersprache |0 (DE-588)7658965-1 |D s |
| 689 | 0 | |5 DE-604 | |
| 700 | 1 | |a Spoon, Lex |e Verfasser |0 (DE-588)1027322654 |4 aut | |
| 700 | 1 | |a Venners, Bill |e Verfasser |0 (DE-588)1027323545 |4 aut | |
| 856 | 4 | 2 | |m HBZ Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017143211&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-017143211 | ||
Datensatz im Suchindex
| _version_ | 1804138654202855424 |
|---|---|
| adam_text | Titel: Programming in Scala
Autor: Odersky, Martin
Jahr: 2008
Contents
Contents ix
List of Figures xix
List of Tables xxi
List of Listings xxii
Foreword xxix
Acknowledgments xxxi
Introduction xxxiii
1 A Scalable Language 3
1.1 A language that grows on you 4
1.2 What makes Scala scalable? 9
1.3 Why Scala? 12
1.4 Scala s roots 19
1.5 Conclusion 21
2 First Steps in Scala 23
Step 1. Learn to use the Scala interpreter 23
Step 2. Define some variables 25
Step 3. Define some functions 27
Step 4. Write some Scala scripts 29
Step 5. Loop with while; decide with if 30
Step 6. Iterate with foreach and for 32
Conclusion 35
ix
Contents
3 Next Steps in Scala 37
Step 7. Parameterize arrays with types 37
Step 8. Use lists 41
Step 9. Use tuples 46
Step 10. Use sets and maps 47
Step 11. Learn to recognize the functional style 52
Step 12. Read lines from a file 55
Conclusion 58
4 Classes and Objects 59
4.1 Classes, fields, and methods 59
4.2 Semicolon inference 64
4.3 Singleton objects 65
4.4 A Scala application 68
4.5 The Application trait 71
4.6 Conclusion 72
5 Basic Types and Operations 73
5.1 Some basic types 73
5.2 Literals 74
5.3 Operators are methods 81
5.4 Arithmetic operations 84
5.5 Relational and logical operations 85
5.6 Bitwise operations 87
5.7 Object equality 89
5.8 Operator precedence and associativity 90
5.9 Rich wrappers 93
5.10 Conclusion 93
6 Functional Objects 95
6.1 A specification for class Rational 95
6.2 Constructing a Rational 96
6.3 Reimplementing the toString method 98
6.4 Checking preconditions 99
6.5 Adding fields 99
6.6 Self references 101
6.7 Auxiliary constructors 102
6.8 Private fields and methods 104
x
6.9 Defining operators 105
6.10 Identifiers in Scala 107
6.11 Method overloading 110
6.12 Implicit conversions 112
6.13 A word of caution 113
6.14 Conclusion 113
7 Built-in Control Structures 115
7.1 If expressions 116
7.2 While loops 117
7.3 For expressions 120
7.4 Exception handling with try expressions 125
7.5 Match expressions 129
7.6 Living without break and continue 131
7.7 Variable scope 133
7.8 Refactoring imperative-style code 136
7.9 Conclusion 138
8 Functions and Closures 139
8.1 Methods 139
8.2 Local functions 141
8.3 First-class functions 143
8.4 Short forms of function literals 145
8.5 Placeholder syntax 146
8.6 Partially applied functions 147
8.7 Closures 150
8.8 Repeated parameters 154
8.9 Tail recursion 155
8.10 Conclusion 159
9 Control Abstraction 161
9.1 Reducing code duplication 161
9.2 Simplifying client code 165
9.3 Currying 167
9.4 Writing new control structures 169
9.5 By-name parameters 172
9.6 Conclusion 175
xi
Contents
10 Composition and Inheritance 177
10.1 A two-dimensional layout library 177
10.2 Abstract classes 178
10.3 Defining parameterless methods 179
10.4 Extending classes 182
10.5 Overriding methods and fields 184
10.6 Defining parametric fields 185
10.7 Invoking superclass constructors 187
10.8 Using override modifiers 188
10.9 Polymorphism and dynamic binding 190
10.10 Declaring final members 192
10.11 Using composition and inheritance 194
10.12 Implementing above, beside, and toString 195
10.13 Defining a factory object 197
10.14 Heighten and widen 199
10.15 Putting it all together 203
10.16 Conclusion 204
11 Scala s Hierarchy 205
11.1 Scala s class hierarchy 205
11.2 How primitives are implemented 209
11.3 Bottom types 211
11.4 Conclusion 212
12 Traits 213
12.1 How traits work 213
12.2 Thin versus rich interfaces 216
12.3 Example: Rectangular objects 217
12.4 The Ordered trait 220
12.5 Traits as stackable modifications 222
12.6 Why not multiple inheritance? 226
12.7 To trait, or not to trait? 230
12.8 Conclusion 231
13 Packages and Imports 233
13.1 Packages 233
13.2 Imports 237
13.3 Implicit imports 241
xii
13.4 Access modifiers 242
13.5 Conclusion 247
14 Assertions and Unit Testing 249
14.1 Assertions 249
14.2 Unit testing in Scala 251
14.3 Informative failure reports 252
14.4 Using JUnit and TestNG 254
14.5 Tests as specifications 256
14.6 Property-based testing 258
14.7 Organizing and running tests 260
14.8 Conclusion 262
15 Case Classes and Pattern Matching 263
15.1 A simple example 263
15.2 Kinds of patterns 268
15.3 Pattern guards 277
15.4 Pattern overlaps 279
15.5 Sealed classes 280
15.6 The Option type 282
15.7 Patterns everywhere 284
15.8 A larger example 288
15.9 Conclusion 296
16 Working with Lists 297
16.1 List literals 297
16.2 The List type 298
16.3 Constructing lists 298
16.4 Basic operations on lists 299
16.5 List patterns 300
16.6 First-order methods on class List 302
16.7 Higher-order methods on class List 313
16.8 Methods of the List object 321
16.9 Understanding Scala s type inference algorithm 325
16.10 Conclusion 328
17 Collections 329
17.1 Overview of the library 329
xiii
Contents
17.2 Sequences 331
17.3 Sets and maps 337
17.4 Selecting mutable versus immutable collections .... 347
17.5 Initializing collections 350
17.6 Tuples 353
17.7 Conclusion 356
18 Stateful Objects 357
18.1 What makes an object stateful? 357
18.2 Reassignable variables and properties 360
18.3 Case study: Discrete event simulation 363
18.4 A language for digital circuits 364
18.5 The Simulation API 367
18.6 Circuit Simulation 371
18.7 Conclusion 379
19 Type Parameterization 381
19.1 Functional queues 381
19.2 Information hiding 385
19.3 Variance annotations 388
19.4 Checking variance annotations 392
19.5 Lower bounds 395
19.6 Contravariance 397
19.7 Object private data 400
19.8 Upperbounds 402
19.9 Conclusion 405
20 Abstract Members 407
20.1 A quick tour of abstract members 407
20.2 Type members 408
20.3 Abstract vals 409
20.4 Abstract vars 410
20.5 Initializing abstract vals 411
20.6 Abstract types 419
20.7 Path-dependent types 421
20.8 Enumerations 424
20.9 Case study: Currencies 426
20.10 Conclusion 435
xiv
21 Implicit Conversions and Parameters 437
21.1 Implicit conversions 437
21.2 Rules for implicits 440
21.3 Implicit conversion to an expected type 443
21.4 Converting the receiver 445
21.5 Implicit parameters 447
21.6 View bounds 453
21.7 Debugging implicits 457
21.8 Conclusion 458
22 Implementing Lists 459
22.1 The List class in principle 459
22.2 The ListBuffer class 465
22.3 The List class in practice 467
22.4 Functional on the outside 469
22.5 Conclusion 470
23 For Expressions Revisited 473
23.1 For expressions 474
23.2 The n-queens problem 476
23.3 Querying with for expressions 479
23.4 Translation of for expressions 481
23.5 Going the other way 485
23.6 Generalizing for 486
23.7 Conclusion 488
24 Extractors 489
24.1 An example: Extracting email addresses 489
24.2 Extractors 490
24.3 Patterns with zero or one variables 493
24.4 Variable argument extractors 495
24.5 Extractors and sequence patterns 498
24.6 Extractors versus case classes 499
24.7 Regular expressions 500
24.8 Conclusion 504
25 Annotations 505
25.1 Why have annotations? 505
xv
Contents
25.2 Syntax of annotations 506
25.3 Standard annotations 508
25.4 Conclusion 510
26 Working with XML 513
26.1 Semi-structured data 513
26.2 XML overview 514
26.3 XML literals 515
26.4 Serialization 517
26.5 Taking XML apart 519
26.6 Deserialization 520
26.7 Loading and saving 521
26.8 Pattern matching on XML 523
26.9 Conclusion 526
27 Modular Programming Using Objects 527
27.1 The problem 528
27.2 A recipe application 529
27.3 Abstraction 532
27.4 Splitting modules into traits 535
27.5 Runtime linking 538
27.6 Tracking module instances 539
27.7 Conclusion 541
28 Object Equality 543
28.1 Equality in Scala 543
28.2 Writing an equality method 544
28.3 Defining equality for parameterized types 557
28.4 Recipes for equals and hashCode 562
28.5 Conclusion 568
29 Combining Scala and Java 569
29.1 Using Scala from Java 569
29.2 Annotations 572
29.3 Existential types 577
29.4 Conclusion 581
30 Actors and Concurrency 583
xvi
30.1 Trouble in paradise 583
30.2 Actors and message passing 584
30.3 Treating native threads as actors 588
30.4 Better performance through thread reuse 589
30.5 Good actors style 592
30.6 A longer example: Parallel discrete event simulation . . 599
30.7 Conclusion 616
31 Combinator Parsing 619
31.1 Example: Arithmetic expressions 620
31.2 Running your parser 622
31.3 Basic regular expression parsers 623
31.4 Another example: JSON 624
31.5 Parser output 626
31.6 Implementing combinator parsers 632
31.7 String literals and regular expressions 641
31.8 Lexing and parsing 642
31.9 Error reporting 642
31.10 Backtracking versus LL(1) 644
31.11 Conclusion 646
32 GUI Programming 649
32.1 A first Swing application 649
32.2 Panels and layouts 652
32.3 Handling events 654
32.4 Example: Celsius/Fahrenheit converter 657
32.5 Conclusion 659
33 The SCells Spreadsheet 661
33.1 The visual framework 661
33.2 Disconnecting data entry and display 664
33.3 Formulas 667
33.4 Parsing formulas 669
33.5 Evaluation 674
33.6 Operation libraries 677
33.7 Change propagation 680
33.8 Conclusion 684
xvii
Contents
A Scala scripts on Unix and Windows 687
Glossary 689
Bibliography 705
About the Authors 709
Index 711
xviii
List of Figures
2.1 The basic form of a function definition in Scala 28
2.2 The syntax of a function literal in Scala 34
3.1 All operations are method calls in Scala 40
3.2 Class hierarchy for Scala sets 48
3.3 Class hierarchy for Scala maps 50
10.1 Class diagram for ArrayElement 183
10.2 Class diagram for LineElement 188
10.3 Class hierarchy of layout elements 191
10.4 Class hierarchy with revised LineElement 195
11.1 Class hierarchy of Scala 207
12.1 Inheritance hierarchy and linearization of class Cat 229
14.1 ScalaTest s graphical reporter. 261
17.1 Class hierarchy for Scala collections 330
17.2 Class hierarchy for Iterator 331
18.1 Basic gates 364
18.2 A half-adder circuit 366
18.3 A full-adder circuit 367
19.1 Covariance and contravariance in function type parameters. . 400
22.1 Class hierarchy for Scala lists 460
22.2 The structure of the Scala lists shown in Listing 22.2 464
xix
List of Figures
32.1 A simple Swing application: initial (left) and resized (right). 650
32.2 A reactive Swing application: initial (left) after clicks (right). 652
32.3 A converter between degrees Celsius and Fahrenheit 657
33.1 A simple spreadsheet table 662
33.2 Cells displaying themselves 667
33.3 Cells displaying their formulas 673
33.4 Cells that evaluate 679
xx
List of Tables
3.1 Some List methods and usages 44
5.1 Some basic types 74
5.2 Special character literal escape sequences 78
5.3 Operator precedence 92
5.4 Some rich operations 94
5.5 Rich wrapper classes 94
12.1 Linearization of types in Cat s hierarchy 230
13.1 Effects of private qualifiers on LegOf Journey, distance . . 245
16.1 Basic list operations 300
17.1 Common operations for sets 340
17.2 Common operations for maps 342
17.3 Default immutable set implementations 344
17.4 Default immutable map implementations 344
31.1 Summary of parser combinators 630
xxi
List of Listings
3.1 Parameterizing an array with a type 38
3.2 Creating and initializing an array 41
3.3 Creating and initializing a list 42
3.4 Creating and using a tuple 46
3.5 Creating, initializing, and using an immutable set 47
3.6 Creating, initializing, and using a mutable set 49
3.7 Creating, initializing, and using a mutable map 50
3.8 Creating, initializing, and using an immutable map 51
3.9 A function without side effects or vars 53
3.10 Reading lines from a file 55
3.11 Printing formatted character counts for the lines of a file. . 58
4.1 Final version of class ChecksumAccumulator 63
4.2 Companion object for class ChecksumAccumulator 66
4.3 The Summer application 68
4.4 Using the Application trait 71
6.1 Rational with fields 101
6.2 Rational with an auxiliary constructor. 103
6.3 Rational with a private field and method 104
6.4 Rational with operator methods 106
6.5 Rational with overloaded methods Ill
7.1 Scala s idiom for conditional initialization 116
7.2 Calculating greatest common divisor with a while loop. . . 117
7.3 Reading from the standard input with do-while 118
7.4 Calculating greatest common divisor with recursion 119
7.5 Listing files in a directory with a for expression 120
xxii
7.6 Finding . scala files using a for with a filter. 122
7.7 Using multiple filters in a for expression 122
7.8 Using multiple generators in a for expression 123
7.9 Mid-stream assignment in a for expression 124
7.10 Transforming an Array [File] to Array [Int] with a for. 125
7.11 A try-catch clause in Scala 127
7.12 A try-finally clause in Scala 128
7.13 A catch clause that yields a value 129
7.14 A match expression with side effects 130
7.15 A match expression that yields a value 130
7.16 Looping without break or continue 132
7.17 A recursive alternative to looping with vars 132
7.18 Variable scoping when printing a multiplication table. ... 134
7.19 A functional way to create a multiplication table 137
8.1 LongLines with a private processLine method 140
8.2 LongLines with a local processLine function 142
9.1 Using closures to reduce code duplication 165
9.2 Defining and invoking a plain old function 168
9.3 Defining and invoking a curried function 168
9.4 Using the loan pattern to write to a file 172
9.5 Using a by-name parameter. 173
10.1 Defining an abstract method and class 179
10.2 Defining parameterless methods width and height 180
10.3 Defining ArrayElement as a subclass of Element 182
10.4 Overriding a parameterless method with a field 184
10.5 Defining contents as a parametric field 186
10.6 Invoking a superclass constructor. 187
10.7 Declaring a final method 193
10.8 Declaring a final class 193
10.9 Class Element with above, beside, and toString 198
10.10 A factory object with factory methods 199
10.11 Class Element refactored to use factory methods 200
10.12 Hiding implementation with private classes 201
10.13 Element with widen and heighten methods 202
10.14 The Spiral application 203
xxiii
List of Listings
12.1 The definition of trait Philosophical 213
12.2 Mixing in a trait using extends 214
12.3 Mixing in a trait using with 215
12.4 Mixing in multiple traits 215
12.5 Defining an enrichment trait 219
12.6 Abstract class IntQueue 223
12.7 A BasicIntQueue implemented with an ArrayBuffer. . . 223
12.8 The Doubling stackable modification trait 224
12.9 Mixing in a trait when instantiating with new 225
12.10 Stackable modification traits Incrementing and Filtering. 225
13.1 Placing the contents of an entire file into a package 234
13.2 Nesting multiple packages in the same file 234
13.3 Nesting packages with minimal indentation 235
13.4 Scala packages truly nest 236
13.5 Accessing hidden package names 236
13.6 Bob s delightful fruits, ready for import 237
13.7 Importing the members of a regular (not singleton) object. . 238
13.8 Importing a package name 239
13.9 How private access differs in Scala and Java 242
13.10 How protected access differs in Scala and Java 243
13.11 Flexible scope of protection with access qualifiers 244
13.12 Accessing private members of companion classes and objects. 246
14.1 Using an assertion 250
14.2 Using ensuring to assert a function s result 250
14.3 Writing a test method with Suite 251
14.4 Writing a test function with FunSuite 252
14.5 Writing a JUnit test with JUnit3Suite 255
14.6 Writing a TestNG test with TestNGSuite 256
14.7 Specifying and testing behavior with a ScalaTest Spec. . . 257
14.8 Specifying and testing behavior with the specs framework. . 258
14.9 Writing property-based tests with ScalaCheck 259
14.10 Checking properties from a JUnit TestCase with Checkers. 260
15.1 Defining case classes 264
15.2 The simplifyTop function, which does a pattern match.. . 266
15.3 A pattern match with an empty default case 267
xxiv
15.4 A pattern match with wildcard patterns 268
15.5 A pattern match with constant patterns 269
15.6 A pattern match with a variable pattern 270
15.7 A pattern match with a constructor pattern 272
15.8 A sequence pattern with a fixed length 272
15.9 A sequence pattern with an arbitrary length 273
15.10 A pattern match with a tuple pattern 273
15.11 A pattern match with typed patterns 273
15.12 Using isInstanceOf and asInstanceOf (poor style).. . . 275
15.13 A pattern with a variable binding (via the @ sign) 277
15.14 A match expression with a pattern guard 278
15.15 Match expression in which case order matters 279
15.16 A sealed hierarchy of case classes 281
15.17 Defining multiple variables with one assignment 284
15.18 A for expression with a tuple pattern 288
15.19 Picking elements of a list that match a pattern 288
15.20 The top half of the expression formatter. 291
15.21 The bottom half of the expression formatter. 292
15.22 An application that prints formatted expressions 295
16.1 A merge sort function for Lists 312
17.1 Default map and set definitions in Predef 338
17.2 Mixing in the SynchronizedMap trait 346
18.1 A mutable bank account class 358
18.2 A class with public vars 360
18.3 How public vars are expanded into getter and setter methods. 361
18.4 Defining getter and setter methods directly 361
18.5 Defining a getter and setter without an associated field. . . 362
18.6 The half Adder method 365
18.7 The fullAdder method 366
18.8 The Simulation class 368
18.9 The first half of the BasicCircuitSimulation class. . . . 372
18.10 The second half of the BasicCircuitSimulation class. . 373
18.11 The CircuitSimulation class 377
19.1 A basic functional queue 384
19.2 Hiding a primary constructor by making it private 385
XXV
List of Listings
19.3 An apply factory method in a companion object 386
19.4 Type abstraction for functional queues 387
19.5 A nonvariant (rigid) Cell class 390
19.6 A type parameter with a lower bound 396
19.7 A contravariant output channel 397
19.8 Covariance and contravariance of Functionls 398
19.9 Demonstration of function type parameter variance 399
19.10 An optimized functional queue 401
19.11 A Person class that mixes in the Ordered trait 403
19.12 A merge sort function with an upper bound 403
20.1 Overriding abstract vals and parameterless methods. . . . 410
20.2 Declaring abstract vars 410
20.3 How abstract vars are expanded into getters and setters. . . 411
20.4 A trait that uses its abstract vals 412
20.5 Pre-initialized fields in an anonymous class expression. . . 414
20.6 Pre-initialized fields in an object definition 414
20.7 Pre-initialized fields in a class definition 415
20.8 Initializing a trait with lazy vals 416
20.9 Modeling suitable food with an abstract type 420
20.10 Implementing an abstract type in a subclass 421
20.11 The US currency zone 431
20.12 Currency zones for Europe and Japan 432
20.13 A converter object with an exchange rates map 433
20.14 The full code of class CurrencyZone 434
21.1 An implicit parameter list with multiple parameters 449
21.2 A function with an upper bound 451
21.3 A function with an implicit parameter. 452
21.4 A function that uses an implicit parameter internally 454
21.5 A function with a view bound 455
21.6 Sample code that uses an implicit parameter. 456
21.7 Sample code after type checking and insertion of implicits. 456
22.1 The definition of the Nil singleton object 461
22.2 Prepending a supertype element to a subtype list 463
22.3 The definition of method :: (cons) in class List 463
22.4 The definition of method ::: in class List 465
xxvi
22.5 The definition of method map in class List 467
22.6 The definition of the :: subclass of List 468
24.1 The EMail string extractor object 491
24.2 The Twice string extractor object 494
24.3 The Uppercase string extractor object 494
24.4 The Domain string extractor object 496
24.5 The ExpandedEMail extractor object 497
24.6 Hiding a primary constructor by making it private 498
24.7 How the r method is defined in RichString 502
27.1 A simple Food entity class 529
27.2 Simple Recipe entity class 530
27.3 Food and Recipe examples for use in tests 530
27.4 Mock database and browser modules 531
27.5 Database and browser modules with categories added. . . . 532
27.6 A Browser class with an abstract database val 533
27.7 A Database class with abstract methods 534
27.8 The SimpleDatabase object as a Database subclass. . . . 534
27.9 The SimpleBrowser object as a Browser subclass 535
27.10 A student database and browser. 535
27.11 A trait for food categories 536
27.12 A Database class that mixes in the FoodCategories trait. 536
27.13 A SimpleDatabase object composed solely of mixins. . . 536
27.14 A SimpleFoods trait 536
27.15 A SimpleRecipes trait with a self type 537
27.16 An app that dynamically selects a module implementation. 538
27.17 Using a singleton type 540
28.1 A superclass equals method that calls canEqual 555
28.2 A subclass equals method that calls canEqual 556
28.3 Hierarchy for binary trees 558
28.4 A parameterized type with equals and hashCode 562
28.5 Class Rational with equals and hashCode 563
29.1 A Scala method that declares a Java throws clause 574
30.1 A simple actor. 585
30.2 An actor that calls receive 587
xxvii
List of Listings
30.3 An actor that calls react 591
30.4 An actor s act method that uses loop 592
30.5 An actor that uses a helper actor to avoid blocking itself. . . 594
30.6 An actor that uses case classes for messages 599
30.7 The Simulant trait 607
30.8 Adder components 614
31.1 An arithmetic expression parser. 621
31.2 A regular expression parser for Java identifiers 623
31.3 Data in JSON format 625
31.4 A simple JSON parser. 625
31.5 A full JSON parser that returns meaningful results 630
31.6 The ~ combinator method 638
32.1 A simple Swing application in Scala 650
32.2 Component assembly on a panel 652
32.3 Implementing a reactive Swing application 656
32.4 An implementation of the temperature converter. 658
33.1 Code for spreadsheet in Figure 33.1 663
33.2 The main program for the spreadsheet application 664
33.3 A spreadsheet with a rendererComponent method 665
33.4 First version of the Model class 666
33.5 Classes representing formulas 668
33.6 A spreadsheet that parses formulas 672
33.7 The evaluate method of trait Evaluator 675
33.8 A library for arithmetic operations 677
33.9 The finished spreadsheet component 683
xxviii
|
| any_adam_object | 1 |
| author | Odersky, Martin 1958- Spoon, Lex Venners, Bill |
| author_GND | (DE-588)174103611 (DE-588)1027322654 (DE-588)1027323545 |
| author_facet | Odersky, Martin 1958- Spoon, Lex Venners, Bill |
| author_role | aut aut aut |
| author_sort | Odersky, Martin 1958- |
| author_variant | m o mo l s ls b v bv |
| building | Verbundindex |
| bvnumber | BV035338888 |
| callnumber-first | Q - Science |
| callnumber-label | QA76 |
| callnumber-raw | QA76.73.S28 O44 2008 |
| callnumber-search | QA76.73.S28 O44 2008 |
| callnumber-sort | QA 276.73 S28 O44 42008 |
| callnumber-subject | QA - Mathematics |
| classification_rvk | ST 250 ST 326 |
| classification_tum | DAT 368f |
| ctrlnum | (OCoLC)551961150 (DE-599)HBZHT015742397 |
| dewey-full | 006.76 |
| dewey-hundreds | 000 - Computer science, information, general works |
| dewey-ones | 006 - Special computer methods |
| dewey-raw | 006.76 |
| dewey-search | 006.76 |
| dewey-sort | 16.76 |
| dewey-tens | 000 - Computer science, information, general works |
| discipline | Informatik |
| edition | 1. ed. |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01848nam a2200457 c 4500</leader><controlfield tag="001">BV035338888</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20121011 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">090302s2008 d||| |||| 00||| eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">2008941209</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">0981531601</subfield><subfield code="9">0-9815316-0-1</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9780981531601</subfield><subfield code="9">978-0-9815316-0-1</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)551961150</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)HBZHT015742397</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-91G</subfield><subfield code="a">DE-523</subfield><subfield code="a">DE-29T</subfield><subfield code="a">DE-92</subfield><subfield code="a">DE-526</subfield><subfield code="a">DE-861</subfield><subfield code="a">DE-83</subfield><subfield code="a">DE-384</subfield><subfield code="a">DE-859</subfield><subfield code="a">DE-M347</subfield><subfield code="a">DE-11</subfield><subfield code="a">DE-B768</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">QA76.73.S28 O44 2008</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">006.76</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">ST 250</subfield><subfield code="0">(DE-625)143626:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">ST 326</subfield><subfield code="0">(DE-625)143662:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">DAT 368f</subfield><subfield code="2">stub</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Odersky, Martin</subfield><subfield code="d">1958-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)174103611</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Programming in Scala</subfield><subfield code="b">[a comprehensive step-by-step guide]</subfield><subfield code="c">Martin Odersky ; Lex Spoon ; Bill Venners</subfield></datafield><datafield tag="250" ind1=" " ind2=" "><subfield code="a">1. ed.</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Mountain View, Calif.</subfield><subfield code="b">Artima Press</subfield><subfield code="c">2008</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XXXIX, 736 S.</subfield><subfield code="b">graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Scala (Computer program language)</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Programming languages (Electronic computers)</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Computer programming</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Scala</subfield><subfield code="g">Programmiersprache</subfield><subfield code="0">(DE-588)7658965-1</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Scala</subfield><subfield code="g">Programmiersprache</subfield><subfield code="0">(DE-588)7658965-1</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Spoon, Lex</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)1027322654</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Venners, Bill</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)1027323545</subfield><subfield code="4">aut</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">HBZ Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017143211&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-017143211</subfield></datafield></record></collection> |
| id | DE-604.BV035338888 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T21:31:37Z |
| institution | BVB |
| isbn | 0981531601 9780981531601 |
| language | English |
| lccn | 2008941209 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017143211 |
| oclc_num | 551961150 |
| open_access_boolean | |
| owner | DE-91G DE-BY-TUM DE-523 DE-29T DE-92 DE-526 DE-861 DE-83 DE-384 DE-859 DE-M347 DE-11 DE-B768 |
| owner_facet | DE-91G DE-BY-TUM DE-523 DE-29T DE-92 DE-526 DE-861 DE-83 DE-384 DE-859 DE-M347 DE-11 DE-B768 |
| physical | XXXIX, 736 S. graph. Darst. |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | Artima Press |
| record_format | marc |
| spelling | Odersky, Martin 1958- Verfasser (DE-588)174103611 aut Programming in Scala [a comprehensive step-by-step guide] Martin Odersky ; Lex Spoon ; Bill Venners 1. ed. Mountain View, Calif. Artima Press 2008 XXXIX, 736 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Scala (Computer program language) Programming languages (Electronic computers) Computer programming Scala Programmiersprache (DE-588)7658965-1 gnd rswk-swf Scala Programmiersprache (DE-588)7658965-1 s DE-604 Spoon, Lex Verfasser (DE-588)1027322654 aut Venners, Bill Verfasser (DE-588)1027323545 aut HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017143211&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Odersky, Martin 1958- Spoon, Lex Venners, Bill Programming in Scala [a comprehensive step-by-step guide] Scala (Computer program language) Programming languages (Electronic computers) Computer programming Scala Programmiersprache (DE-588)7658965-1 gnd |
| subject_GND | (DE-588)7658965-1 |
| title | Programming in Scala [a comprehensive step-by-step guide] |
| title_auth | Programming in Scala [a comprehensive step-by-step guide] |
| title_exact_search | Programming in Scala [a comprehensive step-by-step guide] |
| title_full | Programming in Scala [a comprehensive step-by-step guide] Martin Odersky ; Lex Spoon ; Bill Venners |
| title_fullStr | Programming in Scala [a comprehensive step-by-step guide] Martin Odersky ; Lex Spoon ; Bill Venners |
| title_full_unstemmed | Programming in Scala [a comprehensive step-by-step guide] Martin Odersky ; Lex Spoon ; Bill Venners |
| title_short | Programming in Scala |
| title_sort | programming in scala a comprehensive step by step guide |
| title_sub | [a comprehensive step-by-step guide] |
| topic | Scala (Computer program language) Programming languages (Electronic computers) Computer programming Scala Programmiersprache (DE-588)7658965-1 gnd |
| topic_facet | Scala (Computer program language) Programming languages (Electronic computers) Computer programming Scala Programmiersprache |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017143211&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT oderskymartin programminginscalaacomprehensivestepbystepguide AT spoonlex programminginscalaacomprehensivestepbystepguide AT vennersbill programminginscalaacomprehensivestepbystepguide |