[Solved] How does polymorphism help in maintaining and extending Java programs? — Ans: By allowing new classes to be added with minimal changes to existing code | Java

Java - Polymorphism

How does polymorphism help in maintaining and extending Java programs?

ABy allowing new classes to be added with minimal changes to existing code

BBy forcing all classes to have the same methods with identical code

CBy preventing any changes once the program is written

DBy making the program run faster on all machines

Step-by-Step Solution

Solution:

Step 1: Understand polymorphism's role in code flexibility
Polymorphism allows new subclasses to be created that fit existing interfaces.
Step 2: See how it affects maintenance and extension
Existing code can use new classes without modification, making programs easier to grow and maintain.
Final Answer:
By allowing new classes to be added with minimal changes to existing code -> Option A
Quick Check:
Polymorphism enables easy extension [OK]

Quick Trick: Polymorphism means add new classes without changing old code [OK]

Common Mistakes:

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