Calculator Launcher

public class CalcLauncher {
    public static void main(String[] args) {
        // Create the actual objects
        CalcService calculator = new CalcService();
        CalcHelper helper = new CalcHelper();

        // Print the instructions to the user
        helper.printInstructions();

        // Set the values
        calculator.setA(helper.readDouble());
        calculator.setB(helper.readDouble());

        // Choose operator
        calculator.setOperator(helper.readString());

        // Select operation
        helper.operationSelect(calculator.getOperator(),calculator.getA(), calculator.getB());
    }
}