Multiple choice technology programming languages

which of these is false?

  1. a class implements one or more interfaces

  2. a class extends one or more interfaces

  3. an interface extends one of more interfaces

  4. Serializable is a marker Interface
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Classes IMPLEMENT interfaces, not extend them. Option B claims classes extend interfaces, which is false - you use 'implements' keyword for interfaces. Classes extend other classes, and interfaces extend other interfaces.

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