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Jim Weaver

Unit testing is a critical skill for software developers. This course will teach you how to write and run unit tests for Java with one of the most popular unit testing tools in existence: JUnit.

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Unit testing is a critical skill for software developers. This course will teach you how to write and run unit tests for Java with one of the most popular unit testing tools in existence: JUnit.

A Java developer is expected to be able to unit test their code, and this course will show you how to do that with JUnit. In this course, Java SE 17 Unit Testing with JUnit, you’ll learn how to create JUnit tests and keep them organized. First, you'll discover the many assertions that JUnit provides to validate expected results. Next, you'll explore how to utilize the JUnit lifecycle annotations to manage test setup and teardown, and how to improve your test reports. Finally, you’ll learn how to run your tests from a variety of tools including IDEs, Maven, and continuous delivery products. By the end of this course, you’ll be ready to write great unit tests for your code!

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What's inside

Syllabus

Course Overview
Understanding JUnit
Installing and Running JUnit
Creating Tests
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Writing Test Methods and Using Assertions
Leveraging Test Lifecycle
Controlling Test Execution
Managing Test Reporting
Running Unit Tests as Part of a Build Pipeline
Learning More

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Strongly fit for software developers and testers
Taught by Jim Weaver, a recognized Java developer
Develops strong unit testing skills for software developers
Examines JUnit, an industry-leading unit testing framework
Multi-modal and includes mix of media and hands-on labs

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Java SE 17 Unit Testing with JUnit with these activities:
Java Basics Review
Brush up on foundational Java concepts to ensure a smooth transition into unit testing.
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Show steps
  • Revisit Java syntax and data structures.
  • Complete coding exercises to reinforce your understanding.
  • Seek additional resources or tutorials for clarification.
JUnit Testing with Java Tutorial
Review key topics and concepts of JUnit testing to strengthen foundational understanding before starting the course.
Browse courses on Unit Testing
Show steps
  • Identify a tutorial resource on JUnit testing in Java.
  • Follow the tutorial and complete the exercises.
Review Java Basics (Variables, Data Types, Operators, and Control Structures)
Review your basics in Java to prepare for this unit testing course and minimize potential learning obstacles.
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  • Review online tutorials on Java Basics.
  • Practice writing simple Java programs to reinforce your understanding.
Ten other activities
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Show all 13 activities
Read 'JUnit in Action' by Petar Tahchiev
This book provides a comprehensive guide to JUnit, covering all aspects of unit testing.
Show steps
  • Read the book thoroughly.
  • Take notes and highlight important concepts.
  • Practice the examples and exercises provided in the book.
Review Java Basics
Reviewing Java basics will help you begin this course on solid ground.
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Show steps
  • Review core Java syntax, such as variables, data types, and operators.
  • Practice writing simple Java programs to reinforce your understanding.
Follow a Tutorial on JUnit Assertions
Following a tutorial on JUnit assertions will help you understand how to use them effectively.
Browse courses on JUnit
Show steps
  • Find a tutorial on JUnit assertions.
  • Follow the tutorial steps.
  • Practice using the JUnit assertions in your own code.
Write Unit Tests for Small Java Methods
Practice writing unit tests for small Java methods to develop proficiency.
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Show steps
  • Create a new Java project.
  • Write a small Java method.
  • Write unit tests for the method using JUnit.
  • Run the unit tests and verify that they pass.
Participate in a Study Group on JUnit
Participating in a study group on JUnit will allow you to learn from and collaborate with others.
Browse courses on JUnit
Show steps
  • Find a study group on JUnit.
  • Attend the study group meetings.
  • Participate in discussions and ask questions.
Create a JUnit Test Suite
Creating a JUnit test suite will help you organize and manage your unit tests.
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Show steps
  • Create a new Java project.
  • Write a set of unit tests for a class or module.
  • Create a JUnit test suite to group the unit tests together.
  • Run the test suite and verify that all tests pass.
Contribute to an Open Source JUnit Project
Contributing to an open source JUnit project will help you gain practical experience and contribute to the community.
Browse courses on JUnit
Show steps
  • Find an open source JUnit project that you are interested in.
  • Read the project documentation and contribute code.
  • Submit pull requests and participate in discussions.
Attend a Workshop on Advanced JUnit Techniques
Attending a workshop on advanced JUnit techniques will help you expand your knowledge and skills.
Browse courses on JUnit
Show steps
  • Find a workshop on advanced JUnit techniques.
  • Attend the workshop.
  • Take notes and ask questions.
  • Practice the techniques you learned in the workshop.
Mentor a Junior Developer on Java Unit Testing
Enhance your knowledge and understanding by guiding a junior developer through Java unit testing concepts.
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Show steps
  • Find a junior developer who needs guidance on Java unit testing.
  • Provide mentorship and support, sharing your knowledge and experience.
  • Review their code and offer suggestions for improvement.
Contribute to Open Source JUnit Projects
Gain practical experience and contribute to the JUnit community by participating in open source projects.
Browse courses on Software Development
Show steps
  • Identify open source JUnit projects on platforms like GitHub.
  • Review the project documentation and identify areas where you can contribute.
  • Submit bug reports, feature requests, or code changes to the project.

Career center

Learners who complete Java SE 17 Unit Testing with JUnit will develop knowledge and skills that may be useful to these careers:
Java Software Developer
As a Java Software Developer, you will be responsible for designing, developing, and testing software applications using the Java programming language. This course, Java SE 17 Unit Testing with JUnit, will help you to write and run effective unit tests for your Java code, ensuring that it is reliable and bug-free. By learning how to use JUnit, one of the most popular unit testing tools, you will be able to improve the quality of your code and reduce the risk of errors.
Software Test Engineer
As a Software Test Engineer, you will be responsible for testing software applications to ensure that they meet the requirements and are free of defects. This course, Java SE 17 Unit Testing with JUnit, will help you to develop the skills you need to write and run effective unit tests for Java applications. By learning how to use JUnit, you will be able to improve the quality of your tests and reduce the time it takes to find and fix defects.
Software Quality Assurance Analyst
As a Software Quality Assurance Analyst, you will be responsible for ensuring that software products meet the quality standards of the organization. This course, Java SE 17 Unit Testing with JUnit, will help you to develop the skills you need to write and run effective unit tests for Java applications. By learning how to use JUnit, you will be able to improve the quality of your tests and reduce the risk of defects reaching production.
Test Automation Engineer
As a Test Automation Engineer, you will be responsible for developing and maintaining automated tests for software applications. This course, Java SE 17 Unit Testing with JUnit, will help you to develop the skills you need to write and run effective unit tests for Java applications. By learning how to use JUnit, you will be able to improve the efficiency and effectiveness of your test automation efforts.
Software Architect
As a Software Architect, you will be responsible for designing and developing the architecture of software systems. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to understand the principles of unit testing and how to write effective unit tests for Java code. While this course is not specifically focused on software architecture, the skills you learn in this course will be valuable to you as you design and develop software systems.
DevOps Engineer
As a DevOps Engineer, you will be responsible for bridging the gap between development and operations teams. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to understand the principles of unit testing and how to write effective unit tests for Java code. While this course is not specifically focused on DevOps, the skills you learn in this course will be valuable to you as you work to improve the efficiency and effectiveness of your software development and delivery processes.
Data Analyst
As a Data Analyst, you will be responsible for collecting, cleaning, and analyzing data to extract insights and inform decision-making. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to develop your programming skills and your understanding of data analysis techniques. While this course is not specifically focused on data analysis, the skills you learn in this course will be valuable to you as you work to extract insights from data and communicate your findings to others.
Data Scientist
As a Data Scientist, you will be responsible for developing and applying machine learning and artificial intelligence techniques to solve business problems. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to develop your programming skills and your understanding of machine learning techniques. While this course is not specifically focused on data science, the skills you learn in this course will be valuable to you as you work to develop and apply machine learning solutions.
Software Engineer
As a Software Engineer, you will be responsible for designing, developing, and testing software applications. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to write and run effective unit tests for your Java code. While this course is not specifically focused on software engineering, the skills you learn in this course will be valuable to you as you develop and test software applications.
Computer Programmer
As a Computer Programmer, you will be responsible for writing and maintaining code for software applications. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to write and run effective unit tests for your Java code. While this course is not specifically focused on computer programming, the skills you learn in this course will be valuable to you as you develop and maintain software applications.
Web Developer
As a Web Developer, you will be responsible for designing and developing websites and web applications. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to write and run effective unit tests for your Java code. While this course is not specifically focused on web development, the skills you learn in this course will be valuable to you as you develop and maintain web applications.
Database Administrator
As a Database Administrator, you will be responsible for managing and maintaining databases. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to develop your programming skills and your understanding of database management. While this course is not specifically focused on database administration, the skills you learn in this course will be valuable to you as you manage and maintain databases.
Systems Administrator
As a Systems Administrator, you will be responsible for managing and maintaining computer systems. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to develop your programming skills and your understanding of systems administration. While this course is not specifically focused on systems administration, the skills you learn in this course will be valuable to you as you manage and maintain computer systems.
Network Administrator
As a Network Administrator, you will be responsible for managing and maintaining computer networks. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to develop your programming skills and your understanding of network administration. While this course is not specifically focused on network administration, the skills you learn in this course will be valuable to you as you manage and maintain computer networks.
Computer Support Specialist
As a Computer Support Specialist, you will be responsible for providing technical support to users of computer systems. This course, Java SE 17 Unit Testing with JUnit, may be useful to you as it will help you to develop your programming skills and your understanding of computer systems. While this course is not specifically focused on computer support, the skills you learn in this course will be valuable to you as you provide technical support to users of computer systems.

Reading list

We've selected 11 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Java SE 17 Unit Testing with JUnit.
Comprehensive guide to unit testing in Java. It covers a wide range of topics, including test design, test automation, and test reporting, and it provides plenty of examples to help you understand the concepts.
Classic guide to test-driven development (TDD). It covers the basics of TDD, as well as more advanced topics such as refactoring and debugging, and it provides plenty of examples to help you understand the concepts.
Comprehensive guide to writing effective Java code. It covers a wide range of topics, including object-oriented programming, concurrency, and generics, and it provides plenty of examples to help you understand the concepts.
Comprehensive guide to concurrency in Java. It covers a wide range of topics, including thread safety, synchronization, and deadlock, and it provides plenty of examples to help you understand the concepts.
Fast-paced, fun, and effective guide to learning Java. It covers all the basics of Java, as well as more advanced topics such as object-oriented programming and concurrency, and it provides plenty of examples to help you understand the concepts.
Practical guide to writing clean code. It covers a wide range of topics, including naming conventions, formatting, and refactoring, and it provides plenty of examples to help you understand the concepts.
Classic guide to refactoring. It covers a wide range of refactoring techniques, as well as more advanced topics such as design patterns and code smells, and it provides plenty of examples to help you understand the concepts.
Classic guide to design patterns. It covers a wide range of design patterns, as well as more advanced topics such as creational patterns and structural patterns, and it provides plenty of examples to help you understand the concepts.
Fast-paced, fun, and effective guide to learning design patterns. It covers all the basics of design patterns, as well as more advanced topics such as creational patterns and structural patterns, and it provides plenty of examples to help you understand the concepts.
Practical guide to clean architecture. It covers a wide range of topics, including layering, dependency injection, and testing, and it provides plenty of examples to help you understand the concepts.

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