Companies that use Assertj
It provides a rich and intuitive set of strongly-typed assertions to use for unit testing (with JUnit, TestNG or any other test framework).
475
companies
List of companies using Assertj
curl --request POST \
--url "https://api.theirstack.com/v1/companies/search" \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <api_key>" \
-d "{
\"company_technology_slug_or\": [
\"assertj\"
]
}"Technology
is any of
Assertj

Employees114Software Development
AssertjHigh confidence
Employees826Revenue$12MSoftware Development
AssertjHigh confidenceEmployees10kBanking
AssertjHigh confidence
Employees1.5kSoftware Development
AssertjHigh confidence
Employees17IT Services and IT Consulting
AssertjHigh confidence
Employees1.2kIT Services and IT Consulting
AssertjHigh confidence
Employees25Revenue$6.5MEntertainment Providers
AssertjHigh confidence
Employees1.1kRevenue$4.4MBanking
AssertjHigh confidence
Employees261IT Services and IT Consulting
AssertjHigh confidence
Employees392Revenue$1.2MFinancial Services
AssertjHigh confidence
We have data on 475 companies and users that use Assertj. Our Assertj users and customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
Technology Usage Statistics and Market Share
How to target Assertj users
- How to customize this list?
You can customize this data to your needs by filtering for geography, industry, company size, revenue, technology usage, job postions and more. You can download the data in Excel or CSV format.
- How to be alerted when companies adopt this technology?
You can get alerts for this data. You can get started by selecting the technology you are interested in and then you will receive alerts in your inbox when there are new companies using that technology.
- How to import this data to my CRM?
You can export this data to an Excel file, which can be imported into your CRM. You can also export the data to an API.
Frequently asked questions
Our data is sourced from job postings collected from millions of companies. We monitor these postings on company websites, job boards, and other recruitment platforms. Analyzing job postings provides a reliable method to understand the technologies companies are employing, including their use of internal tools.
We refresh our data daily to ensure you are accessing the most current information available. This frequent updating process guarantees that our insights and intelligence reflect the latest developments and trends within the industry.
Assertj is a Java library that provides a fluent interface for writing assertions in Java tests. It aims to improve the readability of test code by utilizing a more expressive syntax compared to the standard JUnit assertions. Assertj offers a wide range of assertion methods for various types of data, making it easier for developers to write and maintain test cases. By using Assertj, developers can create more descriptive and understandable test assertions, ultimately leading to more robust and maintainable test suites.
Assertj falls under the category of Java Tools, specifically focusing on testing and quality assurance. It plays a crucial role in the software development lifecycle by enabling developers to write concise and clear test assertions, helping them verify the correctness of their code. By allowing developers to express their testing logic in a more readable manner, Assertj contributes to the overall quality of Java applications by making it easier to identify and address potential issues early in the development process.
Assertj was founded in 2011 by Joel Costigliola with the primary goal of simplifying the process of writing assertions in Java tests. Costigliola recognized the need for a more intuitive and expressive way to perform assertions in Java testing frameworks, which led to the creation of Assertj. Since its inception, Assertj has gained popularity among Java developers for its user-friendly syntax and extensive assertion capabilities.
In terms of market share, Assertj has established itself as a prominent player in the Java testing tools landscape. With its growing adoption by developers and positive feedback within the Java community, Assertj continues to solidify its position as a preferred choice for writing assertions in Java test suites. The future outlook for Assertj appears promising, with an expected increase in market share as more developers recognize the benefits of using Assertj for enhancing the quality and maintainability of their Java applications.