HelloInterface hr = getHelloEJB(initialContext);
System.out.println("Calling Calculator methods : x = " + INITIAL_CALC_VALUE + " + " + VALUE_TEST_ADD);
calc.initial(INITIAL_CALC_VALUE);
calc.add(VALUE_TEST_ADD);
Integer x = calc.result();
System.out.println("Calling HelloWorld method : sayHello(x)");
String result = hr.sayHello(x.toString());
System.out.println("Result : " + result);