instanceof Archives

[Solved] Actual class of object reference

November 2, 2022 by Kirat

Since this is clearly a homework exercise, it is not appropriate for me to provide an answer directly. Instead, I have written a little program for you to demonstrate what the question means, and running it will provide an answer. You can try this out for yourself: public class Main { class A {} class … Read more

[Solved] Java – interface -instsnceof

October 2, 2022 by Kirat

JLS 15.20.2 states: If a cast of the RelationalExpression to the ReferenceType would be rejected as a compile-time error (§15.16), then the instanceof relational expression likewise produces a compile-time error. In such a situation, the result of the instanceof expression could never be true. In this case (Intf) obj is not a compile time error … Read more