Hands-On Object-Oriented Programming with C#: Build maintainable software with reusable code using C#

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Cover Title Page Copyright and Credits About Packt Contributors Table of Contents Preface Chapter 1: Overview of C# as a Language Evolution of C# Managed code Generics LINQ Dynamics Async/await Compiler as a service Exception filters C# 8 and beyond Architecture of .NET Common Language Runtime Common Type System .NET framework class libraries Just-in-time compiler Fundamentals and syntax of C# language Data types Nullable types Literals Boolean Integer Real Character String Programming syntax – conditions If-else construct Switch-case construct goto statements Programming syntax – loops The while construct The do-while construct The for construct The foreach construct Contextual – break and continue statements Break Continue Writing your first C# program in a console application Visual Studio as an editor Evolution of Visual Studio Types of Visual Studio Visual Studio Community Visual Studio Professional Visual Studio Enterprise Visual Studio Code Introduction to the Visual Studio IDE New Project Solution Explorer Main workspace area Output window The Command and Immediate windows Search option in IDE Writing your first program in Visual Studio How to debug Debugging through code Summary Chapter 2: Hello OOP - Classes and Objects Classes in OOP The general form of a class Writing a simple class Objects in OOP How to create objects Variables in C# Methods in a class Creating a method Constructor of a class Characteristics of OOP Inheritance Encapsulation Abstraction Polymorphism Summary Chapter 3: Implementation of OOP in C# Interfaces The abstract class The partial class The sealed class Tuples Properties Access specifiers for classes Public Private Internal Protected Protected internal Summary Chapter 4: Object Collaboration Examples of object collaboration Different types of object collaboration in C# Case study Dependency Association Aggregation Composition Inheritance Summary Chapter 5: Exception Handling Why we need exception handling in programming Exception handling in C# programming Basics of exception handling Try and catch What happens if you don't handle exceptions? Multiple catch blocks Using the throw keyword  What does the finally block do? Exception class Some common exception classes User-defined exceptions The exception filter Exception handling best practices Summary Chapter 6: Events and Delegates What is a delegate? How to create and use delegates Method group conversion Using the static and instance methods as delegates Multicasting Covariance and contravariance Events Multicasting events Event guidelines from .NET Summary Chapter 7: Generics in C# What are generics? Why do we need generics? Different constraints of generics Base class constraints Interface constraints Reference type and value type constraints Multiple constraints Generic methods Type-inferencing Covariance and contravariance in generics Covariance Contravariance Summary Chapter 8: Modeling and Designing Software The importance of design diagrams Different UML diagrams Class diagrams Inheritance Association Aggregation Composition Dependency An example of a class diagram Use case diagrams The actor The use case The communication link The system boundaries An example of a use case diagram A sequence diagram An actor A lifeline An activation A call message A return message A self message A recursive message A create message A destroy message A duration message A note An example of a sequence diagram Summary Chapter 9: Visual Studio and Associated Tools Visual Studio project types and templates Visual Studio Editor and different windows Editor window Solution Explorer Output window Debugging windows Breakpoints window Exception Settings Output Diagnostic Tools Immediate window Python debugger window Breakpoints, Call Stack Trace, and Watch Breakpoint Call Stack Trace Watch window Git in Visual Studio Refactoring and code-optimization techniques Rename Changing the method signature Encapsulate Field Extract Method Summary Chapter 10: Exploring ADO.NET with Examples The fundamentals of ADO.NET Data providers Connection objects The Command object The DataReader object DataAdapter Connecting to various databases SQL Server The Oracle database Working with DataReaders and DataAdapters DataReaders DataAdapters Working with stored procedures Working with the Entity Framework What is an entity in the Entity Framework? Different types of Entity properties Scalar properties Navigation properties The code-first approach The database-first approach Using the Entity Framework Transactions in SQL Atomic Consistent Isolated Durable Summary Chapter 11: New Features in C# 8 Environment Setup Nullable reference types Async streams Ranges and indices Default implementation of interface members Switch expressions Target-typed new expressions Summary Chapter 12: Understanding Design Patterns and Principles Design principles The single responsibility principle The open-closed principle The Liskov substitution principle The interface segregation principle The dependency inversion principle Creational design patterns The abstract factory pattern The builder pattern The factory method pattern The prototype pattern The singleton pattern Structural design patterns The adapter pattern The decorator pattern The facade pattern The proxy pattern Behavioral design patterns The command pattern The observer pattern The strategy pattern The MVC pattern Summary Chapter 13: Git - The Version Control System What is version control? How Git works Modified Staged Committed Installing Git on Windows The basics of Git Git config Git init Git clone Git status Git add Git commit Git log Git remote Git push Git pull Git fetch Branching in Git Creating a branch Viewing available branches Changing branches Deleting a branch Merging in Git Summary Chapter 14: Prepare Yourself - Interviews and the Future Interview questions What are the fundamental principles of object-oriented programming? What is inheritance? What is encapsulation? What is abstraction? What is polymorphism? What is an interface? What is an abstract class? What is a sealed class? What is a partial class? What are the differences between interfaces and abstract classes? What is the difference between method-overloading and method-overriding? What are access modifiers? What is boxing and unboxing? What are the differences between a struct and a class? What is an extension method in C# and how do we use it? What is managed and unmanaged code? What is a virtual method in C#? What do you understand by value types and reference types in C#.NET? What are design principles? What is the single responsibility principle? What is the Open/Closed principle? What is the Liskov substitution principle? What is the interface segregation principle? What is the dependency inversion principle? Interview and career tips Improving your communication skills Keep practicing Things to learn next Building the habit of reading Summary Other Books You May Enjoy Index