Object-oriented programming · interview question
How does the use of composition support the open/closed principle in Java?
Multiple choiceEasychapter-5-curatedpremiumoopcomposition-vs-inheritance
Answer and explanation
Correct answer
C. By allowing objects to be composed with new behavior without altering existing code.
Why
Composition supports the open/closed principle by enabling the addition of new behavior through composing objects rather than altering existing code. This means systems can be extended with new functionality without modifying existing classes, thereby reducing the risk of introducing bugs.
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