Show the output of running the class Test in the following code lines: interface A { } class C { } class D extends C { } class B extends D implements A { } public class Test{ public static void main(String[] args) { B b = new B(); if (b instanceof A) System.out.println("b is an instance of A"); if (b instanceof C) System.out.println("b is an instance of C"); } Nothing. b is an instance of A. b is an instance of C. b is an instance of A followed by b is an instance of C.

Show the output of running the class Test in the following code lines: interface A { } class C { } class D extends C { } class B extends D implements A { } public class Test{ public static void main(String[] args) { B b = new B(); if (b instanceof A) System.out.println("b is an instance of A"); if (b instanceof C) System.out.println("b is an instance of C"); } Nothing. b is an instance of A. b is an instance of C. b is an instance of A followed by b is an instance of C.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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