Object-oriented programming · interview question
In the following code snippet, why does using 'this' cause a compile error? public class Store { private String name; public static void updateStoreName(String newName) { this.name = newName; } }?
Multiple choiceHardchapter-2-curatedpremiumoopthis-keyword
public class Store {
private String name;
public static void updateStoreName(String newName) {
this.name = newName;
}
}Answer and explanation
Correct answer
A. 'this' cannot be used in a static context
Why
The 'this' keyword cannot be used in a static method because 'this' refers to an instance of the class, and static methods do not operate on a specific instance.
Test yourself on Object-oriented programming
A free test with instant, explained results. No account needed.
More Object-oriented programming questions
- In a typical e-commerce application, how should a CartItem object access the price of a Product?
- What design principle is violated if a Cart class directly manipulates a Product's price?
- Why might CartItem hold a Product reference instead of copying every product field into loose variables?
- In the context of e-commerce, which class is most likely to contain a method called calculateTotalPrice()?
- What access modifier should be used for fields to adhere to encapsulation principles?
- How would you explain a key reason to use encapsulation when designing an object with multiple responsibilities in an…