// Declare an instance variable call it a and give it a value. } public class Q extends P { // Declare an instance variable whose name is same as that of the superclass instance variable name. } public class Test extends Q { public static void main(String[] args) { // Create an object of class Q and call the instance variable using reference variable q. System.out.println(" Value of a: " +q.a); // Declare superclass reference is equal to the child class object.

// Declare an instance variable call it a and give it a value. } public class Q extends P { // Declare an instance variable whose name is same as that of the superclass instance variable name. } public class Test extends Q { public static void main(String[] args) { // Create an object of class Q and call the instance variable using reference variable q. System.out.println(" Value of a: " +q.a); // Declare superclass reference is equal to the child class object.

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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