//Calculator Class public class Calculator { protected int z; public void addition(int x, int y) { z = X + y; public void subtraction(int x, int y) { Z%3D X - У; //My Calculator Class public class MyCalculator extends Calculator { public void multiplication (int x, int y) { У; } //Print Calculator Class public class PrintCalculator { public PrintCalculator() { System.out.println("PrintCalculator is created."); public void print(Calculator cal){ System.out. println("The answer is: "+cal.z); }

//Calculator Class public class Calculator { protected int z; public void addition(int x, int y) { z = X + y; public void subtraction(int x, int y) { Z%3D X - У; //My Calculator Class public class MyCalculator extends Calculator { public void multiplication (int x, int y) { У; } //Print Calculator Class public class PrintCalculator { public PrintCalculator() { System.out.println("PrintCalculator is created."); public void print(Calculator cal){ System.out. println("The answer is: "+cal.z); }

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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