REST API Automation Testing from Scratch - REST Assured Java - What is an interface?

The video tutorial explains the concept of interfaces in Java, a core aspect of object-oriented programming. It highlights the difference between classes and interfaces, emphasizing that interfaces contain method signatures without bodies. Using a traffic rules analogy, the tutorial illustrates how interfaces enforce a contract for implementing methods. The video also demonstrates how to implement interfaces in Java using Eclipse, ensuring that all methods are correctly implemented in classes.

What is the main difference between an interface and a class in Java?

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Why can't you write a method body inside an interface?

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What is the purpose of defining method signatures in an interface?

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How does the concept of interfaces relate to traffic rules in different countries?

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Describe a scenario where using an interface would be beneficial.

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What does it mean for a class to implement an interface?

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Can a class implement multiple interfaces? Explain your answer.

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What keyword is used in Java to indicate that a class implements an interface?

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What happens if a class does not implement all methods from an interface?

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How do interfaces promote code reusability and flexibility in Java?

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