SimpleCalculator.java

package com.example.app;

/**
 * Simple calculator
 *
 */
public class SimpleCalculator {
    // write your code here

    private double firstNumber;
    private double secondNumber;

    public double getFirstNumber(){
        return this.firstNumber;
    }

    public double getSecondNumber(){
        return this.secondNumber;
    }

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

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

    public double getAdditionResult(){
        return this.firstNumber + this.secondNumber;
    }

    public double getSubtractionResult(){
        return this.firstNumber - this.secondNumber;
    }

    public double getMultiplicationResult(){
        return this.firstNumber * this.secondNumber;
    }

    public double getDivisionResult(){
        if(this.secondNumber != 0){
            return this.firstNumber / this.secondNumber;
        }
        
        return 0;
    }
}