Difference Between JUnit and TestNG

There is no code without error because we humans create errors or mistakes. There should be done proper testing of a code before running it for a good and error-free program.


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JUnit and TestNG are such platforms where one can do line-wise checking of their program, or checking can be done section-wise. These platforms help us to write an error-free program without wasting much time.

JUnit vs TestNG

The difference between JUnit and TestNG is that JUnit is a platform for section-wise checking of code written in java, and it is an open-source platform. Whereas TestNG is not an open-source platform, and TestNG has more tools for testing purposes than JUnit.

JUnit vs TestNG

JUnit is a tool that performs section-wise or unit testing in programs. Unit testing is a method of checking errors in a program section-wise which means small parts of a program are checked accordingly.

TestNG is another java framework testing tool that does program testing section-wise. TestNG platform was made by Cedric Beust. It is not an open-source tool which means changes cannot be made in this tool.

Comparison Table

Parameters of ComparisonJUnitTestNG
DefinitionJUnit is a tool that performs section-wise or unit testing in java programs. It is a Java framework.TestNG is another java framework testing tool that does program testing section-wise.
Created by It was created by Kent Beck and Erich Gamma.Its creator is Cedric Beust.
Operating system It is a cross-platform tool that means it can work on different operating platforms.It is also a cross-platform tool and can work on different operating systems.
Parallel testingSimultaneous or parallel testing is not supported by JUnit.Simultaneous testing is fully supported by TestNG.
AnnotationIt Does not assist annotation of a higher level, but in higher versions, this feature is supported.It assists all types of annotation, and it is flexible with all types.
Dependency It does not contain a dependency checking feature.It includes dependency checking or testing.
EasinessWorking with JUnit is not that much easy, and dependency is needed.Working with TestNG is easy, and configuration is also easy.

What is JUnit?

JUnit platforms help us to check our code unit-wise. This tool can work on any type of operating system that is platform-independent. It is a java framework that does testing on programs that are written in java language.

JUnit has so many versions, and it has become more advanced. And because it is an open-source testing tool, so many changes can be made to it, and more features can be added.

JUnit is a basic and recommend tool when it comes to testing programs that are written in java language. Annotation of higher level is not assisted by this tool. But the higher version of JUnit can assist advanced annotation.


What is TestNG?

TestNG is more preferred than JUnit because of its flexibility to new languages and ease of usage. It was created by Cedric Beust. Integration testing, Unit testing, and many more testing are supported by this tool.

TestNG supports a higher level of annotation, which makes it a more usable tool. It is more powerful than the JUnit platform. It wins over the drawbacks of the JUnit testing tool by doing parallel or simultaneous testing of a program.

TestNG saves the time of a developer by making the same class run multiple times of different codes. Dependency checking can be done easily in this tool.


Main Differences Between JUnit and TestNG

  1. Cedric Beust created TestNG, while JUnit is created by Kent Beck and Erich Gamma.
  2. TestNG saves the time of a developer by making the same class run multiple times of different codes. But classes cannot be the same in JUnit for different tests conducted.


  1. https://ieeexplore.ieee.org/abstract/document/1383111/
  2. https://books.google.com/books?hl=en&lr=&id=bCvcMcLZwV4C&oi=fnd&pg=PT14&dq=testNG+testing&ots=86DCpNSPmB&sig=gBe875fBk44zyvD3ZNB8h5KUj9w
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