Mockito Tutorial: Learn mocking with 25 Junit Examples - Mockito Step 02: Setting up SUT (System Under Test)

This video tutorial introduces the concept of mocks in testing, focusing on the need for Mockito. It explains the differences between stubs and mocks, and how to choose between them. The tutorial guides through creating Java classes, ToDoService and ToDoBusinessImpl, and implementing methods for filtering ToDos. It discusses unit testing challenges when dependencies are unavailable and sets the stage for understanding Mockito in detail.

What steps are suggested for creating the 'toDoService' interface?

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What is meant by 'system under test' in the context of this discussion?

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What challenges are presented when unit testing the 'toDoBusinessImpl' without the 'toDoService' implementation?

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Why is it important to understand the problem that Mockito is solving?

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