A unit can be a function, a class, a package, or a subsystem. So, the term unit testing refers to the practice of testing such small units of your code, so as to ensure that they work as expected. For example, we can test whether an output is what we expected to see given some inputs or if a condition is true or false.
The most popular testing framework in Java is JUnit and we have provided plenty of JUnit tutorials. Now, we decided to gather all the JUnit features in one detailed guide for your convenience. We hope you like it!
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