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Programming in C# with Unit Testing

The Programming in C# with Unit Testing course by Microsoft equips aspiring .NET developers and software engineers with essential skills to build robust, testable C# applications using industry-standard unit testing frameworks like MSTest, xUnit, and NUnit. With 94% of top enterprises adopting automated testing practices (Microsoft DevOps Report 2023), this course addresses the critical need for code reliability and maintainability in modern development workflows.

Prepare for the Microsoft Technology Associate (MTA) certification with Koenig’s Guaranteed-to-Run training, featuring official Microsoft courseware and 30-day lab access. Gain hands-on experience in test-driven development and elevate your career as a certified .NET developer.

40 Hours (5 Days)
Live Online / Classroom
1+ professionals trained

Training Formats & Pricing

1-on-1 USD 3,510
Dedicated instructor, your schedule Fastest
Public Batch USD 2,700
Group class, fixed schedule Most Popular
Self-Paced USD 199
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Course Overview

The Microsoft Programming in C# with Unit Testing course is designed for developers aiming to master modern C# programming and automated testing practices, particularly those preparing for software development roles requiring robust code quality assurance. While the associated Exam 70-483: Programming in C# has been retired as of January 31, 2021, the core skills remain highly relevant for .NET developers, software engineers, and Software Development Engineers in Test (SDETs). Industry demand remains strong, with Stack Overflow’s 2025 Developer Survey ranking C# among the top 10 most popular programming languages, reflecting its widespread adoption in enterprise applications, game development with Unity, and cloud-based solutions on Microsoft Azure.

This course equips learners with essential tools and technologies including Visual Studio, MSTest, xUnit, NUnit, .NET SDK, and Test Explorer, providing a comprehensive foundation in unit testing frameworks and test-driven development (TDD). Students engage in hands-on labs within the Visual Studio environment, where they build complete test suites for real-world scenarios such as validating business logic in a financial calculator or implementing data validation in a customer management system. A key project involves creating a C# class library, writing failing unit tests using MSTest attributes like [TestMethod] and [TestClass], and then iteratively developing the implementation to pass all tests, simulating agile development workflows used in professional settings.

Graduates gain critical skills recognized across the industry, enhancing their readiness for roles that emphasize code reliability and maintainability. According to Glassdoor, the estimated median total pay for C# .NET developers in the US is $129,000 per year, with senior and specialized roles like Principal Software Developer commanding up to $220,000 annually. Koenig Solutions supports career advancement through Guaranteed-to-Run batches and official Microsoft-aligned courseware, ensuring consistent access to high-quality training. By mastering Programming in C# with Unit Testing from Microsoft, professionals position themselves to lead in quality engineering, drive DevOps integration, and advance toward architect-level responsibilities in modern software development.

What You'll Learn

✓Implement class hierarchies to enforce polymorphism and encapsulation using C# features in .NET 8.
✓Create and execute unit tests with MSTest to validate code integrity and identify regression errors in .NET 8 applications.
✓Implement exception handling and performance monitoring strategies to improve stability in .NET 8 applications.
✓Execute LINQ queries to perform efficient data access and manipulation within .NET 8 solutions.
✓Develop asynchronous operations to optimize application responsiveness and throughput in .NET 8.
✓Design reusable components using custom attributes to promote modular and maintainable code architecture in .NET 8.

Prerequisites

Recommended knowledge before taking this course
  • Proficiency in LINQ and asynchronous programming patterns using C# 12 and .NET 8, essential for mastering this course.
  • Experience using Visual Studio 2022 for .NET development accelerates learning in the curriculum.
  • Familiarity with the .NET 8 SDK and command-line tools (dotnet CLI) helps learners quickly adapt to this course.
  • Understanding object-oriented programming principles in C# 12 is crucial for success in the curriculum.
  • Familiarity with xUnit or NUnit frameworks and test-driven development (TDD) enhances skills for this course.
  • Ability to develop and debug C# 12 console applications ensures effective participation in the curriculum.
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Certification Exam

Everything you need to know about the Programming in C# with Unit Testing certification exam

Exam Details
Exam Name
Programming in C# with Unit Testing
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
24 hours after first attempt; subsequent attempts require 14 days
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Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Mastering C# 12 and .NET 8 Syntax Fundamentals
Developing Applications in C# and .NET 8 Managing Data Types and Expressions Utilizing Core C# Language Constructs Defining and Invoking C# Methods Applying Effective Method Overloading Implementing Robust Exception Handling Monitoring Application Performance Metrics Lab: Building the Grades Prototype Application Lab: Unit Testing the Grades Prototype with xUnit
2
Day 2– C# Structures, Collections and Events in .NET 8
Implementing Custom Structs and Enums Organizing Data with C# Collections Managing Events in C# Applications Designing Scalable Object-Oriented Classes Implementing Interfaces for Extensibility Understanding Generics in C# Development Lab: Extending Class Enrolment Functionality Lab: Refactoring Enrolment Code Logic Lab: Testing Collection Logic with xUnit
3
Day 3– C# Inheritance and Input/Output in .NET 8
Building Hierarchies of C# Classes Applying Polymorphism for Flexible Code Extending Classes via Inheritance Executing Efficient File I/O Operations Mastering Serialization and Deserialization Working with Advanced Data Streams Lab: Retrieving and Modifying Grade Data Lab: Validating Student Information Records Lab: Unit Testing I/O Operations
4
Day 4– Database and Remote Data Access in .NET 8
Creating Scalable Entity Data Models Optimizing Data with Entity Framework Core Querying Complex Data using LINQ Accessing Remote Data via HTTP Protocols Consuming REST and OData Services Leveraging ASP.NET Core Web API Architecture Lab: Retrieving Data Remotely via API Lab: Upgrading the Grades Report System Lab: Mocking Data Services with Moq
5
Day 5– Application Performance, Reusability, and Testing in .NET 8
Implementing High-Performance Multitasking Performing Efficient Asynchronous Operations Synchronizing Concurrent Data Access Integrating Legacy Unmanaged Code Implementing Unit Tests with xUnit Mocking Dependencies with Moq Versioning and Deploying C# Assemblies Lab: Improving Application Responsiveness Lab: Creating Reusable Types for Projects

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

78%

of Programming in C# with Unit Testing certified professionals report career advancement within 6 months

Salary Impact

+22%

Average salary increase reported after obtaining the Programming in C# with Unit Testing certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • C# Developer
  • Software Development Engineer in Test (SDET)
  • Backend Developer (.NET)
  • Application Developer
  • Unit Testing Engineer
  • Full-Stack Developer (.NET)

Companies Hiring

5,000+
Microsoft Accenture Deloitte Infosys Wipro TCS JP Morgan Chase Goldman Sachs Capgemini Cognizant

and 5,000+ organizations worldwide seeking Programming in C# with Unit Testing certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

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    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

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    Azure Administrator

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    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

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    Business Intelligence Lead

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    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

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    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified

Frequently Asked Questions

Everything you need to know about the Programming in C# with Unit Testing training course

Is the certification exam included in the Programming in C# with Unit Testing course, and what is the cost if separate?
The Programming in C# with Unit Testing course by Microsoft does not include the certification exam. While Microsoft role-based exams typically cost $165 to $195 USD, please note that Exam 70-483 (Programming in C#) was officially retired on January 31, 2021.
What training formats are available for the Programming in C# with Unit Testing course, and is Guaranteed-to-Run scheduling offered?
Koenig Solutions provides Programming in C# with Unit Testing via live online, 1-on-1, classroom, and self-paced Flexi formats. All sessions are Guaranteed-to-Run, ensuring your training proceeds as scheduled regardless of class size, providing you with reliable, flexible professional development options.
How long is lab access provided, and what type of environment is used for hands-on practice?
You receive 6 months of cloud-hosted virtual machine access for the Programming in C# with Unit Testing course. These secure, sandbox-style labs allow you to master unit testing frameworks like xUnit and MSTest through practical, hands-on coding exercises.
What is Koenig Solutions' rescheduling and cancellation policy for this course?
Koenig allows you to reschedule your Programming in C# with Unit Testing course without penalty before the start date, pending availability. Flexi course purchases are eligible for a full refund if cancelled within 7 days, excluding non-refundable lab fees.
What is the format, number of questions, passing score, and time limit for the associated certification exam?
Exam 70-483: Programming in C# consisted of 40–60 questions, including case studies and drag-and-drop tasks. It required a 700/1000 passing score within a 150-minute limit. This specific Microsoft certification exam was retired on January 31, 2021, and is unavailable.
How long is the Microsoft certification valid after passing the exam, and what is the renewal process and cost?
Microsoft role-based certifications remain valid for one year. You can renew them annually at no cost by completing a free, unproctored assessment on Microsoft Learn, which becomes available six months before your current certification expires.
What post-training support does Koenig provide after completing the Programming in C# with Unit Testing course?
Koenig supports your success with 6 hours of free consultation from a Microsoft Certified Trainer, Qubits exam prep software, and dedicated doubt-clearing sessions. You also receive a formal completion certificate and ongoing support via email at flexi@koenig-solutions.com.
What prerequisites or prior experience are recommended for enrolling in the Programming in C# with Unit Testing course?
To succeed in this Programming in C# with Unit Testing course, you should have one year of C# business logic experience. Proficiency in object-oriented programming, LINQ, data validation, and asynchronous patterns is essential, alongside familiarity with .NET Core and Visual Studio.
What is the average salary increase or career impact for professionals skilled in C# and unit testing?
Professionals mastering C# and unit testing often command salaries between $90,000 and $120,000 USD, with senior roles reaching $140,000. These skills significantly boost your employability and code quality, making you a vital asset for high-level enterprise .NET development teams.
How does instructor-led training compare to self-study for mastering C# programming and unit testing effectively?
Instructor-led training at Koenig provides structured mentorship, real-time feedback, and hands-on labs, accelerating your mastery of C# compared to self-study. Live guidance ensures you grasp complex test-driven development concepts quickly, keeping your professional progress disciplined and highly effective.

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