//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
Related questions
Question
Draw a UML class diagram for the following three classes to show their structures and relationships.
![//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);
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe05baeef-4695-4dab-bd9d-5d6ae53d9cdf%2F9cff8ea2-86b6-446a-a655-c97eaffdc299%2Fbhkdvi.jpeg&w=3840&q=75)
Transcribed Image Text://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);
}
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