Object-oriented programming · interview question
In Java, which of the following statements correctly describes a subclass?
Multiple choiceEasychapter-5-curatedpremiumoopinheritance-basics
Answer and explanation
Correct answer
A. A subclass inherits from another class and can add new fields and methods.
Why
A subclass inherits fields and methods from its superclass and can also add its own fields and methods. It can override methods of its superclass but cannot access its private fields directly.
Test yourself on Object-oriented programming
A free test with instant, explained results. No account needed.
More Object-oriented programming questions
- Why does declaring a method as 'final' in a superclass change runtime behavior?
- Why might a developer choose to use a 'restock' method rather than a public setter for inventory?
- How do unmodifiable views differ from defensive copies in protecting internal collections?
- In an e-commerce application, what is the advantage of using a 'processOrder' method in a Product class?
- Which statement is true about interfaces in Java?
- Why are public mutable fields risky in a store model?