Object-oriented programming · interview question
In Java, how can instance methods affect the state of an object?
Multiple choiceEasychapter-2-curatedpremiumoopinstance-methods
Answer and explanation
Correct answer
C. By modifying the object's instance variables.
Why
Instance methods can modify the state of an object by changing the values of its instance variables, which represent the object's state.
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?