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Computer Science & IT Support Programming & Web Development

Course Features

Price

Original price was: ¥4,443.08.Current price is: ¥135.92.

Study Method

Online | Self-paced

Course Format

Interactive PDFs, Articles & Learning Resources

Duration

18 hours, 55 minutes

Qualification

Professional Skills Development Course

Assessment

Final MCQ Exam (included in price)

Certificate

Verifiable Digital Certificate - Free

Additional info

Lifetime Access | Start Instantly

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Java testing course showing JUnit, Mockito, Spring Boot testing, and code coverage dashboards on screen

Overview

Java Testing Course is designed to help developers build strong, industry-ready testing skills using modern Java testing tools and practices. In today’s software development environment, writing reliable, maintainable, and bug-free code is essential. This course provides a complete roadmap to mastering unit testing, integration testing, test-driven development (TDD), and real-world application testing using JUnit 5, Mockito, and Spring Boot.

Throughout this course, learners will start with the fundamentals of unit testing, including why testing matters, core testing principles, and how tests fit into the software development lifecycle. You will then learn how to set up professional Java testing environments using Maven and Gradle, ensuring you can confidently configure real-world projects.

The course then progresses into JUnit 5, where you will master assertions, test lifecycle management, parameterized tests, and advanced testing features. You will gain hands-on experience in structuring effective tests using industry best practices such as Arrange-Act-Assert and clean test design principles.

A major part of the course focuses on Mockito, where you will learn how to create mock objects, stub dependencies, and verify interactions between components. This is essential for testing complex applications with multiple service layers.

You will also explore Test-Driven Development (TDD), learning how to design software by writing tests first. This approach improves code quality, reduces bugs, and strengthens development discipline.

In addition, the course covers Spring Boot testing, including web layer testing, integration testing, and full application testing. You will also learn how to test JPA entities, repositories, and REST APIs, ensuring complete backend reliability. Code coverage tools like JaCoCo and reporting techniques are also included to help you measure and improve test effectiveness.

By the end of this course, you will be able to confidently test Java applications at a professional level and apply best practices used in real software engineering teams.

Upon completion, learners will receive a free course completion certificate. Multiple premium certificate and transcript options are also available for purchase. Students also benefit from 5-star rated support available 24/7 via email.
This course is ideal for Java developers, software engineering students, backend developers, and QA engineers who want to strengthen their testing skills. It is also suitable for professionals preparing for technical interviews or transitioning into backend or full-stack development roles.
Learners should have a basic understanding of Java programming, object-oriented principles, and general software development concepts. Familiarity with IDEs like IntelliJ IDEA or Eclipse is helpful, but no prior testing experience is required as the course starts from the fundamentals.
Completing this course can lead to roles such as Java Developer, Backend Developer, Software Engineer, QA Automation Engineer, and Test Engineer. It also provides a strong foundation for advanced backend development, microservices testing, and DevOps-integrated testing pipelines.

Who is this course for?

Java Testing Course is designed to help developers build strong, industry-ready testing skills using modern Java testing tools and practices. In today’s software development environment, writing reliable, maintainable, and bug-free code is essential. This course provides a complete roadmap to mastering unit testing, integration testing, test-driven development (TDD), and real-world application testing using JUnit 5, Mockito, and Spring Boot.

Throughout this course, learners will start with the fundamentals of unit testing, including why testing matters, core testing principles, and how tests fit into the software development lifecycle. You will then learn how to set up professional Java testing environments using Maven and Gradle, ensuring you can confidently configure real-world projects.

The course then progresses into JUnit 5, where you will master assertions, test lifecycle management, parameterized tests, and advanced testing features. You will gain hands-on experience in structuring effective tests using industry best practices such as Arrange-Act-Assert and clean test design principles.

A major part of the course focuses on Mockito, where you will learn how to create mock objects, stub dependencies, and verify interactions between components. This is essential for testing complex applications with multiple service layers.

You will also explore Test-Driven Development (TDD), learning how to design software by writing tests first. This approach improves code quality, reduces bugs, and strengthens development discipline.

In addition, the course covers Spring Boot testing, including web layer testing, integration testing, and full application testing. You will also learn how to test JPA entities, repositories, and REST APIs, ensuring complete backend reliability. Code coverage tools like JaCoCo and reporting techniques are also included to help you measure and improve test effectiveness.

By the end of this course, you will be able to confidently test Java applications at a professional level and apply best practices used in real software engineering teams.

Upon completion, learners will receive a free course completion certificate. Multiple premium certificate and transcript options are also available for purchase. Students also benefit from 5-star rated support available 24/7 via email.
This course is ideal for Java developers, software engineering students, backend developers, and QA engineers who want to strengthen their testing skills. It is also suitable for professionals preparing for technical interviews or transitioning into backend or full-stack development roles.
Learners should have a basic understanding of Java programming, object-oriented principles, and general software development concepts. Familiarity with IDEs like IntelliJ IDEA or Eclipse is helpful, but no prior testing experience is required as the course starts from the fundamentals.
Completing this course can lead to roles such as Java Developer, Backend Developer, Software Engineer, QA Automation Engineer, and Test Engineer. It also provides a strong foundation for advanced backend development, microservices testing, and DevOps-integrated testing pipelines.

Requirements

Java Testing Course is designed to help developers build strong, industry-ready testing skills using modern Java testing tools and practices. In today’s software development environment, writing reliable, maintainable, and bug-free code is essential. This course provides a complete roadmap to mastering unit testing, integration testing, test-driven development (TDD), and real-world application testing using JUnit 5, Mockito, and Spring Boot.

Throughout this course, learners will start with the fundamentals of unit testing, including why testing matters, core testing principles, and how tests fit into the software development lifecycle. You will then learn how to set up professional Java testing environments using Maven and Gradle, ensuring you can confidently configure real-world projects.

The course then progresses into JUnit 5, where you will master assertions, test lifecycle management, parameterized tests, and advanced testing features. You will gain hands-on experience in structuring effective tests using industry best practices such as Arrange-Act-Assert and clean test design principles.

A major part of the course focuses on Mockito, where you will learn how to create mock objects, stub dependencies, and verify interactions between components. This is essential for testing complex applications with multiple service layers.

You will also explore Test-Driven Development (TDD), learning how to design software by writing tests first. This approach improves code quality, reduces bugs, and strengthens development discipline.

In addition, the course covers Spring Boot testing, including web layer testing, integration testing, and full application testing. You will also learn how to test JPA entities, repositories, and REST APIs, ensuring complete backend reliability. Code coverage tools like JaCoCo and reporting techniques are also included to help you measure and improve test effectiveness.

By the end of this course, you will be able to confidently test Java applications at a professional level and apply best practices used in real software engineering teams.

Upon completion, learners will receive a free course completion certificate. Multiple premium certificate and transcript options are also available for purchase. Students also benefit from 5-star rated support available 24/7 via email.
This course is ideal for Java developers, software engineering students, backend developers, and QA engineers who want to strengthen their testing skills. It is also suitable for professionals preparing for technical interviews or transitioning into backend or full-stack development roles.
Learners should have a basic understanding of Java programming, object-oriented principles, and general software development concepts. Familiarity with IDEs like IntelliJ IDEA or Eclipse is helpful, but no prior testing experience is required as the course starts from the fundamentals.
Completing this course can lead to roles such as Java Developer, Backend Developer, Software Engineer, QA Automation Engineer, and Test Engineer. It also provides a strong foundation for advanced backend development, microservices testing, and DevOps-integrated testing pipelines.

Career path

Java Testing Course is designed to help developers build strong, industry-ready testing skills using modern Java testing tools and practices. In today’s software development environment, writing reliable, maintainable, and bug-free code is essential. This course provides a complete roadmap to mastering unit testing, integration testing, test-driven development (TDD), and real-world application testing using JUnit 5, Mockito, and Spring Boot.

Throughout this course, learners will start with the fundamentals of unit testing, including why testing matters, core testing principles, and how tests fit into the software development lifecycle. You will then learn how to set up professional Java testing environments using Maven and Gradle, ensuring you can confidently configure real-world projects.

The course then progresses into JUnit 5, where you will master assertions, test lifecycle management, parameterized tests, and advanced testing features. You will gain hands-on experience in structuring effective tests using industry best practices such as Arrange-Act-Assert and clean test design principles.

A major part of the course focuses on Mockito, where you will learn how to create mock objects, stub dependencies, and verify interactions between components. This is essential for testing complex applications with multiple service layers.

You will also explore Test-Driven Development (TDD), learning how to design software by writing tests first. This approach improves code quality, reduces bugs, and strengthens development discipline.

In addition, the course covers Spring Boot testing, including web layer testing, integration testing, and full application testing. You will also learn how to test JPA entities, repositories, and REST APIs, ensuring complete backend reliability. Code coverage tools like JaCoCo and reporting techniques are also included to help you measure and improve test effectiveness.

By the end of this course, you will be able to confidently test Java applications at a professional level and apply best practices used in real software engineering teams.

Upon completion, learners will receive a free course completion certificate. Multiple premium certificate and transcript options are also available for purchase. Students also benefit from 5-star rated support available 24/7 via email.
This course is ideal for Java developers, software engineering students, backend developers, and QA engineers who want to strengthen their testing skills. It is also suitable for professionals preparing for technical interviews or transitioning into backend or full-stack development roles.
Learners should have a basic understanding of Java programming, object-oriented principles, and general software development concepts. Familiarity with IDEs like IntelliJ IDEA or Eclipse is helpful, but no prior testing experience is required as the course starts from the fundamentals.
Completing this course can lead to roles such as Java Developer, Backend Developer, Software Engineer, QA Automation Engineer, and Test Engineer. It also provides a strong foundation for advanced backend development, microservices testing, and DevOps-integrated testing pipelines.

    • Course Introduction 00:10:00
    • What is a Unit Test? 00:10:00
    • Why Write Unit Tests? 00:10:00
    • The FIRST Testing Principle 00:10:00
    • Testing Code in Isolation 00:10:00
    • The Testing Pyramid 00:10:00
    • Overview of JUnit 5 00:10:00
    • JUnit and Build Tools Integration 00:10:00
    • Introduction – Getting Started with JUnit 5 Setup 00:10:00
    • Creating a Maven Project with IntelliJ IDEA 00:10:00
    • Adding JUnit Dependencies (Maven) 00:10:00
    • Configuring Maven Surefire Plugin 00:10:00
    • Creating a New Gradle Project 00:10:00
    • Adding JUnit Dependencies (Gradle) 00:10:00
    • Executing Unit Tests with Gradle 00:10:00
    • Basic Java Project Setup with IntelliJ IDEA 00:10:00
    • Basic Java Project Setup with Eclipse 00:10:00
    • Creating Your First Unit Test Method 00:10:00
    • Using Assertions and Assertion Messages 00:10:00
    • Other Assertion Types 00:10:00
    • Exercise Solution Overview 00:10:00
    • Lazy Assert Messages 00:10:00
    • Naming Unit Tests Effectively 00:10:00
    • Using DisplayName Annotation 00:10:00
    • Test Method Code Structure: Arrange, Act, Assert 00:10:00
    • JUnit Test Lifecycle 00:10:00
    • Lifecycle Methods Demonstration 00:10:00
    • Disabling Unit Tests 00:10:00
    • Asserting Exceptions 00:10:00
    • Methods Execution Order: Random by Order Index 00:10:00
    • Methods Execution Order: By Name 00:10:00
    • Methods Execution Order: Random Order 00:10:00
    • Repeated Tests 00:10:00
    • Parameterized Tests: ValueSource Annotation 00:10:00
    • Parameterized Tests: CSV File Input 00:10:00
    • Parameterized Tests: Multiple Parameters with CsvSource 00:10:00
    • Parameterized Tests: Multiple Parameters with MethodSource 00:10:00
    • Order of Unit Test Classes 00:10:00
    • Introduction to Test Instance Lifecycle 00:10:00
    • Changing Test Instance Lifecycle: Example 1 00:10:00
    • Test Instance Lifecycle Demo Project Overview 00:10:00
    • Test Instance Lifecycle Demo Project Implementation 00:10:00
    • Introduction to TDD 00:10:00
    • Creating New Project Classes and Methods 00:10:00
    • Creating UserService Class 00:10:00
    • Testing the Create User Method 00:10:00
    • Testing User Object Contains First Name 00:10:00
    • Refactoring Test Methods 00:10:00
    • TDD Exercise 00:10:00
    • Solution Overview for TDD Exercise 00:10:00
    • Checking if User ID is Set 00:10:00
    • Asserting Thrown Exceptions 00:10:00
    • TDD Exercise Wrap-up 00:10:00
    • Introduction to Mockito 00:10:00
    • Adding Mocking to a Project 00:10:00
    • Overview of Methods Under Test 00:10:00
    • Implementing UsersRepository 00:10:00
    • Injecting UsersRepository as Dependency 00:10:00
    • Creating Mock Objects 00:10:00
    • Stubbing with Built-in Any Argument Matcher 00:10:00
    • Verifying Method Calls 00:10:00
    • Exception Stubbing 00:10:00
    • Creating EmailNotificationService Class 00:10:00
    • Stubbing Void Methods with Exceptions 00:10:00
    • Using doNothing() When Method is Called 00:10:00
    • Calling Real Methods with Mockito 00:10:00
    • Introduction to Code Coverage 00:10:00
    • Generating Code Coverage Reports 00:10:00
    • Exporting Code Coverage Reports 00:10:00
    • Exporting Test Reports Using Maven 00:10:00
    • Using Jacoco Maven Plugin for Code Coverage 00:10:00
    • Exporting Jacoco Code Coverage Report in HTML 00:10:00
    • Introduction to Unit Testing Spring Boot Applications 00:10:00
    • Integration Testing the Web Layer 00:10:00
    • Integration Testing with All Layers 00:10:00
    • Adding Testing Support to Spring Boot 00:10:00
    • Existing Project Overview and Source Code 00:10:00
    • Creating New Test Class with @WebMvcTest and @AutoConfigureMockMvc 00:10:00
    • Building and Performing HTTP Requests with RequestBuilder 00:10:00
    • Mocking Service Layer with @MockBean 00:10:00
    • Understanding @MockBean Annotation Behavior 00:10:00
    • Asserting BAD REQUEST Responses 00:10:00
    • Practice Exercise and Solution Overview 00:10:00
    • Introduction to Full Layer Testing in Spring Boot 00:10:00
    • Hands-On Demo – Exploring How It Works in Practice 00:10:00
    • Using @SpringBootTest Annotation 00:10:00
    • Using @SpringBootTest WebEnvironment MOCK 00:10:00
    • Defining Port Number in Tests 00:10:00
    • Loading Alternative Configurations with @TestPropertySource 00:10:00
    • Using Random Port Number for Testing 00:10:00
    • Creating User JSON for Test Create User 00:10:00
    • Preparing and Performing HTTP POST Requests with TestRestTemplate 00:10:00
    • Testing JWT Requirement 00:10:00
    • Testing User Login Functionality 00:10:00
    • Ordering Test Methods 00:10:00
    • Testing GET Users with JWT Token Included 00:10:00
    • Introduction to Testing JPA Entities 00:10:00
    • JPA Entity Overview and Source Code 00:10:00
    • Testing UserEntity Persistence 00:10:00
    • Testing Invalid UserEntity Persistence 00:10:00
    • Exercise: Testing UserId Uniqueness 00:10:00
    • Exercise Solution Source Code 00:10:00
    • Introduction to Testing JPA Repositories 00:10:00
    • Testing Find By Email Query Method 00:10:00
    • Exercise: Testing Find By UserId Query Method 00:10:00
    • Exercise Solution Overview and Source Code 00:10:00
    • Testing JPQL Queries 00:10:00
    • Exam of Testing Java Applications with JUnit 5 & Mockito: From Unit Tests to Integration and TDD 00:50:00
    • Premium Certificate 00:15:00
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Yes, our premium certificate and transcript are widely recognized and accepted by embassies worldwide, particularly by the UK embassy. This adds credibility to your qualification and enhances its value for professional and academic purposes.

Yes, this course is designed for learners of all levels, including beginners. The content is structured to provide step-by-step guidance, ensuring that even those with no prior experience can follow along and gain valuable knowledge.

Yes, professionals will also benefit from this course. It covers advanced concepts, practical applications, and industry insights that can help enhance existing skills and knowledge. Whether you are looking to refine your expertise or expand your qualifications, this course provides valuable learning.

No, you have lifetime access to the course. Once enrolled, you can revisit the materials at any time as long as the course remains available. Additionally, we regularly update our content to ensure it stays relevant and up to date.

I trust you’re in good health. Your free certificate can be located in the Achievement section. The option to purchase a CPD certificate is available but entirely optional, and you may choose to skip it. Please be aware that it’s crucial to click the “Complete” button to ensure the certificate is generated, as this process is entirely automated.

Yes, the course includes both assessments and assignments. Your final marks will be determined by a combination of 20% from assignments and 80% from assessments. These evaluations are designed to test your understanding and ensure you have grasped the key concepts effectively.

We are a recognized course provider with CPD, UKRLP, and AOHT membership. The logos of these accreditation bodies will be featured on your premium certificate and transcript, ensuring credibility and professional recognition.

Yes, you will receive a free digital certificate automatically once you complete the course. If you would like a premium CPD-accredited certificate, either in digital or physical format, you can upgrade for a small fee.

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Course Features

Price

Original price was: ¥4,443.08.Current price is: ¥135.92.

Study Method

Online | Self-paced

Course Format

Interactive PDFs, Articles & Learning Resources

Duration

18 hours, 55 minutes

Qualification

Professional Skills Development Course

Assessment

Final MCQ Exam (included in price)

Certificate

Verifiable Digital Certificate - Free

Additional info

Lifetime Access | Start Instantly

  • Share

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