Java Programming Language MCQ › Inheritance in Java MCQ › Question #2251
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QWhich is true?

ID: #2251 Inheritance in Java MCQ 2,361 views
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#2251Q ID
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Inheritance in Java MCQTopic
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  • A "X extends Y" is correct if and only if X is a class and Y is an interface ✔ ✖
  • B "X extends Y" is correct if and only if X is an interface and Y is a class ✔ ✖
  • C "X extends Y" is correct if X and Y are either both classes or both interfaces ✔ ✖
  • D "X extends Y" is correct for all combinations of X and Y being classes and/or interfaces ✔ ✖
Correct Answer: Option C

Explanation

"X extends Y" is correct if X and Y are either both classes or both interfaces
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