C# Interview Guide Boost Your Confidence with Answers to Hundreds of Secret Interview Questions

Catapult your C# journey with this guide to crafting standout resumes, mastering advanced concepts, and navigating job offers with real-world insights for unparalleled success in programming and interviews Key Features Acquire a strong foundation in syntax, data types, and object-oriented programmin...

Descripción completa

Detalles Bibliográficos
Otros Autores: Semenenko, Konstantin, author (author)
Formato: Libro electrónico
Idioma:Inglés
Publicado: Birmingham, England : Packt Publishing Ltd [2024]
Edición:First edition
Materias:
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009805221706719
Tabla de Contenidos:
  • Cover
  • Title Page
  • Copyright and Credits
  • Contributors
  • Table of Contents
  • Preface
  • Part 1: Interview Preparation
  • Chapter 1: Crafting a Compelling Resume and Cover Letter, Online Presence, and Interview Preparation
  • Creating a good resume
  • Resume versus CV
  • The Objective section
  • The About Me section
  • The Skills section
  • Drafting a cover letter
  • Utilizing LinkedIn
  • Creating a LinkedIn profile
  • Structuring a LinkedIn profile
  • Utilizing GitHub
  • Summary
  • Chapter 2: Acing the Interview - Mastering Behavioral Questions and Interview Techniques
  • Types of interviews
  • Structured interviews
  • Unstructured interviews
  • Behavioral interviews
  • Situational interviews
  • Stress interviews
  • Panel interviews
  • Group interviews
  • Case study interviews
  • Introduction to virtual and in-person interviews
  • Virtual interviews
  • In-person interviews
  • Preparing for virtual or in-person interviews
  • Overcoming interview anxiety
  • Presenting yourself
  • Subtleties of non-verbal communication
  • Understanding the company and role
  • Anticipating interview questions
  • Making a strong first impression
  • Confidently answering common and behavioral questions
  • Common interview questions
  • Behavioral interview questions
  • Asking your own questions
  • Managing challenging queries
  • Post-interview actions
  • Summary
  • Part 2: Technical Interview Preparation
  • Chapter 3: Fundamentals of C# Programming
  • Essential C# concepts and principles
  • What does the C# language represent, and for which platforms and applications is it intended?
  • What's the fundamental difference between .dll and .exe files in the context of C# projects?
  • How does the entry point of a program written in C# look?
  • How is memory management conducted in C#?
  • What are the principles of OOP in C#?
  • How is error handling done in C#?.
  • What does the dependency injection principle mean and how is it implemented in C#?
  • What are boxing and unboxing in C#, and why can they be a problem?
  • What does Entity Framework represent and how is it applied?
  • What's the difference between threads and processes in C#?
  • What are the main development environments used for C#, and are there alternatives to Visual Studio?
  • What programming patterns do you know, and which ones have you implemented in C#?
  • Can you describe different software testing methods and their primary differences?
  • How do you determine the best time to conduct unit testing compared to integration or system testing?
  • What is NuGet, and how can it be used to add libraries to your project?
  • Working with data types, variables, and operators in C#
  • What are the basic primitive data types in C#? What is the main difference between value type and reference type?
  • What is the primary distinction between string and StringBuilder in the context of strings?
  • How do you initialize and interact with one-dimensional and multidimensional arrays? What differentiates "string[][]" from "string[,]"?
  • What are bitwise operations and which operators in C# support these operations?
  • What is the purpose of "nullable" types in C# and how do you work with them correctly?
  • What is known about operator overloading in C# and why can it be useful?
  • How can one overload an operator in C# and could you provide an example?
  • How do comparison and relational operators work in C#?
  • What is the purpose of logical operators in C#, how do they function, and why is it important to pay attention to operator precedence?
  • When and why should you use "const" variables in C#? What's the difference between them and "readonly"?
  • Which method of object comparison in C# is better to use, "==" or "Equals()", and why?.
  • What's the primary distinction between "is" and "as" when converting types in C#?
  • What do explicit and implicit type conversions mean in C#?
  • What is the purpose of the "??" operator in C# and in which scenarios should it be used?
  • What are tuples, how are they used in C#, and what are their advantages compared to classes?
  • Writing control structures and loops in C#
  • What are the main loops available in C# and how do you choose the best loop for a specific situation?
  • How do you use the "if", "else if", and "else" operators in C#? In which situations would you recommend using each of them?
  • What's the difference between "for" and "foreach" loops? In which cases is it better to use each?
  • What is the "switch" operator and how is it different from a sequence of "if-else" operators?
  • What do the "continue" and "break" operators do in loops, and when can they be useful?
  • How do you combine multiple conditions in a single "if" statement using logical operators?
  • What is the peculiarity of the "do-while" loop compared to the regular "while" loop?
  • What does a nested loop look like and why can it be useful?
  • How can you prevent a potentially infinite loop execution?
  • What is recursion in C# and how do you prevent stack overflow when using recursive methods?
  • How can you optimize a loop for processing a large amount of data in C#?
  • What is "yield return" in C# and when can it be useful?
  • How do you create an infinite loop using "for"?
  • Exploring the basics of OOP using C#
  • How does C# integrate the principles of OOP?
  • How does encapsulation work in C#?
  • How is polymorphism implemented in C#?
  • What does inheritance entail in C#?
  • What is the difference between a class and its instance in C#?
  • Why are access modifiers such as "public", "private", "protected", and "internal" used in C#?.
  • Can a class in C# inherit from multiple other classes simultaneously?
  • How do method overloading and method overriding differ in C#?
  • What are the main differences between interfaces and base classes in C#?
  • Why is composition sometimes considered a better choice than inheritance?
  • What are properties in C# and how do they differ from fields?
  • What's the main difference between abstract classes and interfaces in C#?
  • Why is encapsulating fields important for the SOLID principles?
  • What is the role of delegates in OOP in the context of C#?
  • How are constructors used for object initialization and how do they differ from static constructors?
  • What do aggregation and association mean in OOP, and how are they implemented in C#?
  • How can multiple inheritance be implemented in C# if there is no direct support?
  • What does the principle of "composition over inheritance" mean and when is it useful?
  • Why are exceptions in C# considered objects, and how do you create your own exception class?
  • What is the purpose of the "base" keyword in the context of inheritance in C#?
  • How is the "this" keyword used in C#?
  • Summary
  • Additional reading
  • Chapter 4: Advanced C# Concepts
  • Working with collections and LINQ
  • What are the key differences between the "IEnumerable" and "ICollection" interfaces? When is it optimal to use each?
  • How does the "deferred execution" principle work in LINQ, and how does it impact performance?
  • What are the primary differences between the "Where" and "Select" LINQ methods, and when is it best to use each?
  • What are the differences between the "All" and "Any" LINQ methods, and how do they behave when applied to an empty collection?
  • What distinguishes "FirstOrDefault" from "SingleOrDefault", and when do these methods return "null"?.
  • What are the primary collection types in .NET you consider, and what are their key differences?
  • What are the differences between "List&lt
  • T&gt
  • " and "Dictionary&lt
  • TKey", "TValue&gt
  • "?
  • How can you optimize the execution of LINQ queries when dealing with large datasets?
  • What are the key differences between the "IEnumerable" and "IQueryable" interfaces? Explain their implementation and usage scenarios.
  • What's the key difference between an array and "List&lt
  • T&gt
  • " in C#? When is it optimal to use each of these structures?
  • In which scenarios should one prefer "HashSet&lt
  • T&gt
  • " over "List&lt
  • T&gt
  • "?
  • What is the key distinction between "LinkedList&lt
  • T&gt
  • " and "List&lt
  • T&gt
  • " in C#? In which scenarios is it optimal to use "LinkedList&lt
  • T&gt
  • "?
  • What does "Dictionary&lt
  • TKey, TValue&gt
  • " represent in C#, and what are typical scenarios for its use?
  • What are immutable collections in C#? What are their advantages and disadvantages?
  • Exception handling and debugging
  • What's the difference between using "throw" and "throw ex" inside a "catch" block?
  • What are the primary types of exceptions in C# and under what conditions do they typically arise?
  • What does the "finally" block do in a "try-catch" structure, and are there scenarios where it might not execute?
  • What is an "inner exception", and how can it be used to improve debugging?
  • What is a "stack trace", and how can it be beneficial in tracing exceptions?
  • What is the essence of a "conditional breakpoint" in Visual Studio, and when is it beneficial to use?
  • How can we handle or avoid an "unhandled exception"?
  • What is the difference between "Debug" and "Release" configurations?
  • How can one deliberately trigger an exception?.
  • What's the distinction between using "Assert" and "Throw" in unit test development and debugging?.