CalculatorChanges_3

Suzana_Marek

Sep 12th, 2024 (edited)

Never

Add comment

Not a member of Pastebin yet? Sign Up, it unlocks many cool features!

Java 4.04 KB | None | 0 0

raw download clone embed print report

package org.example;
import java.util.Scanner;
public class CalculatorChanges_3 {
public interface Operation {
double getResult();
public class Addition implements Operation {
private double result;
public Addition(double num1, double num2) {
this.result = num1 + num2;
}
@Override
public double getResult() {
return result;
}
}
public class Subtraction implements Operation {
private double result;
public Subtraction(double num1, double num2) {
this.result = num1 - num2;
}
@Override
public double getResult() {
return result;
}
}
public class Multiplication implements Operation {
private double result;
public Multiplication(double num1, double num2) {
this.result = num1 * num2;
}
@Override
public double getResult() {
return result;
}
}
public class Division implements Operation {
private double result;
public Division(double num1, double num2) {
if (num2 != 0) {
this.result = num1 / num2;
} else {
throw new ArithmeticException("Cannot divide by zero");
}
}
@Override
public double getResult() {
return result;
}
}
public class CalculatorMenu {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
boolean keepRunning = true;
while (keepRunning) {
System.out.println("Choose an operation:");
System.out.println("1) Addition");
System.out.println("2) Subtraction");
System.out.println("3) Multiplication");
System.out.println("4) Division");
System.out.println("0) Exit");
System.out.print("Enter your choice: ");
int choice = scanner.nextInt();
if (choice == 0) {
keepRunning = false;
System.out.println("Exiting the program...");
continue;
}
System.out.print("Enter first number: ");
double num1 = scanner.nextDouble();
System.out.print("Enter second number: ");
double num2 = scanner.nextDouble();
Operation operation = null;
if (choice == 1) {
operation = new Addition(num1, num2);
} else if (choice == 2) {
operation = new Subtraction(num1, num2);
} else if (choice == 3) {
operation = new Multiplication(num1, num2);
} else if (choice == 4) {
try {
operation = new Division(num1, num2);
} catch (ArithmeticException e) {
System.out.println(e.getMessage());
continue;
}
} else {
System.out.println("Invalid command.");
continue;
}
System.out.println("Result: " + operation.getResult());
System.out.print("Do you want to solve another task? (yes/no): ");
String response = scanner.next();
if (!response.equalsIgnoreCase("yes")) {
keepRunning = false;
}
}
scanner.close();
}
}
}
}

Add Comment

Please, Sign In to add comment