import calc.Calculator; public class Main { public static void main(String[] args) { Calculator calculator = new Calculator(); calculator.switchOn(); System.out.println("...Switch On..."); calculator.add(500); System.out.println("Plus 500 = " + calculator.getResult()); calculator.add(200); System.out.println("Plus 200 = " + calculator.getResult()); calculator.substract(100); System.out.println("Minus 100 = " + calculator.getResult()); calculator.divide(2); System.out.println("Divided by 2 = " + calculator.getResult()); calculator.multiply(10); System.out.println("Muliplied by 10 = " + calculator.getResult()); System.out.println("...Clear..."); calculator.clear(); calculator.add(500); System.out.println("Plus 500 = " + calculator.getResult()); calculator.switchOff(); System.out.println("...Switch Off..."); } }