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Asked: 2026-05-19T04:51:27+00:00

I’m wondering what are the strengths and weaknesses of using JUnit for code testing?

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I’m wondering what are the strengths and weaknesses of using JUnit for code testing?
For example, I don’t believe it is good for testing concurrency. Any input would be appreciated. Thanks

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  1. Editorial Team

    Testing concurrent code is hard, no matter what you choose.

    TestNG has a mechanism for creating multiple threads and running them in a concurrency test. I believe it’d be possible to create a bunch of FutureTasks in a JUnit test to exercise a method. It’s just not supported in JUnit 4.

    The strengths? Here are a few:

    1. Separates test code from production code.
    2. Makes it possible to run a suite of tests for an application all at once.
    3. Support in Ant, Maven, and IDEs like IntelliJ and Eclipse.
    4. Has become part of the thinking in Test Driven Development and agile techniques.
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