book

Programming C# 12

by Ian Griffiths

June 2024

Intermediate to advanced

876 pages

27h 19m

English

O'Reilly Media, Inc.

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Who This Book Is ForConventions Used in This BookUsing Code ExamplesO’Reilly Online LearningHow to Contact UsAcknowledgments
Why C#?Managed Code and the CLRC# Prefers Generality to SpecializationC# Standards and ImplementationsMany .NETsRelease Cycles and Long Term SupportTargeting Multiple .NET RuntimesVisual Studio, Visual Studio Code, and JetBrains RiderAnatomy of a Simple ProgramWriting a Unit TestNamespacesClassesUnit TestsSummary
Local VariablesScopeVariable Name AmbiguityLocal Variable InstancesStatements and ExpressionsStatementsExpressionsComments and WhitespacePreprocessing DirectivesCompilation Symbols#error and #warning#line#pragma#nullable#region and #endregionFundamental Data TypesNumeric TypesBooleansStrings and CharactersTuplesTuple DeconstructionDynamicObjectOperatorsFlow ControlBoolean Decisions with if StatementsMultiple Choice with switch StatementsLoops: while and doC-Style for LoopsCollection Iteration with foreach LoopsPatternsCombining and Negating PatternsRelational PatternsGetting More Specific with whenPatterns in ExpressionsSummary
ClassesInitialization InputsStatic MembersStatic ClassesRecordsReferences and NullsBanishing Null with Non-Nullable ReferencesStructsWhen to Write a Value TypeGuaranteeing ImmutabilityRecord StructsClass, Structs, Records, or Tuples?MembersAccessibilityFieldsConstructorsDeconstructorsMethodsPropertiesOperatorsEventsNested TypesInterfacesDefault Interface ImplementationStatic Virtual MembersEnumsOther TypesAnonymous TypesPartial Types and MethodsSummary
Generic TypesConstraintsType ConstraintsReference Type ConstraintsValue Type ConstraintsValue Types All the Way Down with Unmanaged ConstraintsNot Null ConstraintsOther Special Type ConstraintsMultiple ConstraintsZero-Like ValuesGeneric MethodsType InferenceGeneric MathGeneric Math InterfacesNumeric Category InterfacesOperator InterfacesFunction InterfacesParsing and FormattingGenerics and TuplesSummary
ArraysArray InitializationSearching and SortingMultidimensional ArraysCopying and ResizingList<T>List and Sequence InterfacesImplementing Lists and SequencesImplementing IEnumerable<T> with IteratorsCollection<T>ReadOnlyCollection<T>Addressing Elements with Index and Range SyntaxSystem.IndexSystem.RangeSupporting Index and Range in Your Own TypesDictionariesSorted DictionariesSetsQueues and StacksLinked ListsConcurrent CollectionsImmutable CollectionsFrozen CollectionsSummary
Inheritance and ConversionsInterface InheritanceGenericsCovariance and ContravarianceSystem.ObjectThe Ubiquitous Methods of System.ObjectAccessibility and InheritanceVirtual MethodsAbstract MethodsInheritance and Library VersioningStatic Virtual MethodsDefault ConstraintsSealed Methods and ClassesAccessing Base MembersInheritance and ConstructionPrimary ConstructorsMandatory PropertiesField InitializationRecord TypesRecords, Inheritance, and the with KeywordSpecial Base TypesSummary
Garbage CollectionDetermining ReachabilityAccidentally Defeating the Garbage CollectorWeak ReferencesReclaiming MemoryLightening the Load with Inline ArraysGarbage Collector ModesTemporarily Suspending Garbage CollectionsAccidentally Defeating CompactionForcing Garbage CollectionsDestructors and FinalizationIDisposableOptional DisposalBoxingBoxing Nullable<T>Summary
Exception SourcesExceptions from APIsFailures Detected by the RuntimeHandling ExceptionsException ObjectsMultiple catch BlocksException FiltersNested try Blocksfinally BlocksThrowing ExceptionsRethrowing ExceptionsFailing FastException TypesCustom ExceptionsUnhandled ExceptionsSummary
Delegate TypesCreating a DelegateMulticast DelegatesInvoking a DelegateCommon Delegate TypesType CompatibilityBehind the SyntaxAnonymous FunctionsLambdas and Default ArgumentsCaptured VariablesLambdas and Expression TreesEventsStandard Event Delegate PatternCustom Add and Remove MethodsEvents and the Garbage CollectorEvents Versus DelegatesDelegates Versus InterfacesSummary

Query ExpressionsHow Query Expressions ExpandDeferred EvaluationLINQ, Generics, and IQueryable<T>Standard LINQ OperatorsFilteringSelectSelectManyOrderingContainment TestsSpecific Items and SubrangesWhole-Sequence, Order-Preserving OperationsAggregationGroupingConversionSequence GenerationOther LINQ ImplementationsEntity Framework CoreParallel LINQ (PLINQ)LINQ to XMLIAsyncEnumerable<T>Reactive ExtensionsSummary
Fundamental InterfacesIObserver<T>IObservable<T>Publishing and Subscribing with DelegatesCreating an Observable Source with DelegatesSubscribing to an Observable Source with DelegatesSequence BuildersEmptyNeverReturnThrowRangeRepeatGenerateLINQ QueriesGrouping OperatorsJoin OperatorsSelectMany OperatorAggregation and Other Single-Value OperatorsConcat OperatorRx Query OperatorsMergeWindowing OperatorsThe Scan OperatorThe Amb OperatorDistinctUntilChangedSchedulersSpecifying SchedulersBuilt-in SchedulersSubjectsSubject<T>BehaviorSubject<T>ReplaySubject<T>AsyncSubject<T>AdaptationIEnumerable<T> and IAsyncEnumerable<T>.NET EventsAsynchronous APIsTimed SequencesTimed SourcesTimed OperatorsTimed Windowing OperatorsReaqtor—Rx as a ServiceSummary
Anatomy of an Assembly.NET MetadataResourcesMultifile AssembliesOther PE FeaturesType IdentityDeploymentFramework-DependentSelf-ContainedTrimmingAhead-of-Time (AOT) CompilationLoading AssembliesAssembly ResolutionExplicit LoadingIsolation and Plug-ins with AssemblyLoadContextAssembly NamesStrong NamesVersionVersion Numbers and Assembly LoadingCultureProtectionTarget Frameworks and .NET StandardSummary
Reflection TypesAssemblyModuleMemberInfoType and TypeInfoGeneric TypesMethodBase, ConstructorInfo, and MethodInfoParameterInfoFieldInfoPropertyInfoEventInfoReflection ContextsSummary
Applying AttributesAttribute TargetsCompiler-Handled AttributesCLR-Handled AttributesDebugging AttributesBuild-Time AttributesDefining and Consuming AttributesAttribute TypesRetrieving AttributesMetadata-Only LoadGeneric Attribute TypesSummary
The Stream ClassPosition and SeekingFlushingCopyingLengthDisposalAsynchronous OperationConcrete Stream TypesOne Type, Many BehaviorsText-Oriented TypesTextReader and TextWriterConcrete Reader and Writer TypesEncodingFiles and DirectoriesFileStream ClassFile ClassDirectory ClassPath ClassSerializationBinaryReader, BinaryWriter, and BinaryPrimitivesCLR SerializationJSONSummary
ThreadsThreads, Variables, and Shared StateThread-Local StorageThe Thread ClassThe Thread PoolThread Affinity and SynchronizationContextExecutionContextSynchronizationMonitors and the lock KeywordOther Synchronization PrimitivesInterlockedLazy InitializationOther Class Library Concurrency SupportTasksThe Task and Task<T> ClassesContinuationsSchedulersError HandlingCustom Threadless TasksParent/Child RelationshipsComposite TasksOther Asynchronous PatternsCancellationParallelismThe Parallel ClassParallel LINQTPL DataflowSummary
Asynchronous Keywords: async and awaitExecution and Synchronization ContextsMultiple Operations and LoopsReturning a TaskApplying async to Nested MethodsThe await PatternError HandlingValidating ArgumentsSingular and Multiple ExceptionsConcurrent Operations and Missed ExceptionsSummary
(Don’t) Copy ThatRepresenting Sequential Elements with Span<T>Utility MethodsCollection Expressions and SpansPattern MatchingStack OnlyUsing ref with FieldsRepresenting Sequential Elements with Memory<T>ReadOnlySequence<T>Processing Data Streams with PipelinesProcessing JSON in ASP.NET CoreSummary

Overview

C# is undeniably one of the most versatile programming languages available to engineers today. With this comprehensive guide, you'll learn just how powerful the combination of C# and .NET can be. Author Ian Griffiths guides you through C# 12.0 and .NET 8 fundamentals and techniques for building cloud, web, and desktop applications.

Designed for experienced programmers, this book provides many code examples to help you work with the nuts and bolts of C#, such as generics, LINQ, and asynchronous programming features. You'll get up to speed on .NET 8 and the latest C# 11.0 and 12.0 additions, including generic math, new polymorphism options, enhanced pattern matching, and new features designed to improve productivity.

This book helps you:

Understand how .NET has changed in recent releases and learn what it means for application development
Select the appropriate C# language features for any task
Learn when to use the new features and when to stick with older ones
Examine the range of functionality in .NET's class libraries
Apply these class libraries to practical programming tasks
Explore numerous small additions to .NET that improve expressiveness

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Publisher Resources

ISBN: 9781098158354Errata Page Supplemental Content

Programming C# 12

by Ian Griffiths

Overview

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

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Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,and much more.

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Publisher Resources

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.