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Total 45 questions
Select the true statement about composition.
- A. Composition extends a class’s capabilities by adding new components and modifying the existing ones
- B. Composition allows a class to be projected as a container of different classes
- C. Composition is a concept that promotes code reusability, while Inheritance promotes encapsulation
- D. Composition is based on the has a relation, so it cannot be used together with inheritance
Answer : B
Analyze the following snippet and select the statement that best describes it.
- A. The code is an example of implicitly chained exceptions.
- B. The code is erroneous as the OwnMath class does not inherit from any Exception type class
- C. The code is fine and the script execution is not interrupted by any exception.
- D. The code is an example of explicitly chained exceptions
Answer : A
Analyze the following snippet and select the statement that best describes it.
- A. self.name is the name of a class variable
- B. var1 is the name of a global variable
- C. Excalibur is the value passed to an instance variable
- D. weapon is the value passed to an instance variable
Answer : C
The following snippet represents one of the OOP pillars. Which one is that?
- A. Serialization
- B. Inheritance
- C. Encapsulation
- D. Polymorphism
Answer : D
Analyze the following function and choose the statement that best describes it.
- A. It is an example of a decorator that accepts its own arguments.
- B. It is an example of decorator stacking.
- C. It is an example of a decorator that can trigger an infinite recursion
- D. The function is erroneous.
Answer : A
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