Math Calculator -

Main.java

public class Main {
    public static void main(String[] args) {
        SimpleCalculator calculator = new SimpleCalculator();
        calculator.setFirstNumber(5.5);
        calculator.setSecondNumber(4);
        System.out.println();
        System.out.println("add= " + calculator.getAdditionResult());
        System.out.println("subtract= " + calculator.getSubtractionResult());
        System.out.println("Power of= " + calculator.getPowerOfResult());
        System.out.println();
        calculator.setFirstNumber(5.25);
        calculator.setSecondNumber(0);
        System.out.println("multiply= " + calculator.getMultiplicationResult());
        System.out.println("divide= " + calculator.getDivisionResult());
        System.out.println("Power of= " + calculator.getPowerOfResult());


    }












}

SimpleCalculator.java

public class SimpleCalculator {
    private double firstNumber;
    private double secondNumber;

    public void setFirstNumber(double firstNumber) {
        this.firstNumber = firstNumber;
    }

    public void setSecondNumber(double secondNumber) {
        this.secondNumber = secondNumber;
    }

    public double getFirstNumber() {
        return firstNumber;
    }

    public double getSecondNumber() {
        return secondNumber;
    }

    public double getAdditionResult() {
        return getFirstNumber() + getSecondNumber();
    }


    public double getSubtractionResult() {
        return getFirstNumber() - getSecondNumber();
    }


    public double getMultiplicationResult() {
        return getFirstNumber() * getSecondNumber();
    }

    public double getPowerOfResult() {
        return Math.pow(getFirstNumber(), getSecondNumber());
    }


    public double getDivisionResult() {
        // 1. check if we can divide with secondNumber
        if (secondNumber == 0) {
            return 0;
        }
        return getFirstNumber() / getSecondNumber();
    }

}

Output

C:\Users\netadmin\.jdks\openjdk-23.0.1\bin\java.exe "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2024.2.4\lib\idea_rt.jar=61798:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2024.2.4\bin" -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath C:\Users\netadmin\IdeaProjects\SimpleCalculator\out\production\SimpleCalculator Main

add= 9.5
subtract= 1.5
Power of= 915.0625

multiply= 0.0
divide= 0.0
Power of= 1.0

Process finished with exit code 0