calculator.java

//CalculatorFunctions
//Maryam Habibollahi

import java.util.Scanner; // program uses Scanner

public class Calculator {
    
    //global variables:
    public int x;
    public int y;

    Scanner scanIn = new Scanner(System.in); //creating a scanner
    
    
    public int setFirst() { //ask for first number
        
        System.out.println("Enter the first number:");
        x = scanIn.nextInt();
        return x; //save number in the app
    }
    
    public int setSecond() { //ask for second number
        
        System.out.println("Enter the second number:");
        y = scanIn.nextInt();
        return y; //save number in the app
    }
    
    
    public int addNumbers(int a, int b) { //take numbers in app
        int add = a+b;
        return add;
    }
    
    public int multiplyNumbers(int a, int b) { //take numbers in app
        
        int multp = a*b;
        return multp;
    }
}