[class/method] 계산기

class Calculation{
    int add(int x, int y){
        return x+y;
    }
    int subtract(int x, int y){
        return x-y;
    }
}

public class Main {
    public static void main(String[] args) {
        // write your code here
        Calculation calculation = new Calculation();
        int addResult = calculation.add(1,2);
        int subtractResult = calculation.subtract(5,3);

        System.out.println(addResult);
        System.out.println(subtractResult);

    }
}

3
2