Java - Polymorphism
Which of the following is required for runtime polymorphism to work in Java?
Which of the following is required for runtime polymorphism to work in Java?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the mechanism behind runtime polymorphism
Runtime polymorphism depends on method overriding, where a subclass provides its own version of a method.Step 2: Evaluate options
Method overloading is compile-time polymorphism, static and final methods cannot be overridden.Final Answer:
Method overriding -> Option BQuick Check:
Runtime polymorphism requires method overriding [OK]
Quick Trick: Overriding enables runtime polymorphism, not overloading [OK]
Common Mistakes:
- Confusing overloading with overriding
- Thinking static methods participate in runtime polymorphism
- Assuming final methods can be overridden
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