public void operationhandler()
{
IArithmaticOperation addition = new AdditionOperation();
IArithmaticOperation subtraction = new SubtractionOperation();
IArithmaticOperation multiplication = new MultiplicationOperation();
IArithmaticOperation division = new DivisionOperation();
addition.setNext(subtraction);
subtraction.setNext(multiplication);
multiplication.setNext(division);
Request request = new Request(_num1, _num2);
addition.Operation(request);
}
