static void Main() { AbstractApprover petar = new Menager(); AbstractApprover dimitar = new DivisionManager(); AbstractApprover ivan = new ExecutiveDirector(); //set successors petar.SetSuccessor(dimitar); dimitar.SetSuccessor(ivan); Order smallOrder = new Order(1, 999.99, "Water delivering"); petar.ProcessRequest(smallOrder); Order mediumOrder = new Order(2, 1001, "Fuel delivering"); petar.ProcessRequest(mediumOrder); Order bigOrder = new Order(3, 9999, "Oil delivering"); petar.ProcessRequest(bigOrder); Order specialOrder = new Order(4, 10001, "Tanker delivering"); petar.ProcessRequest(specialOrder); Order nullOrder = new Order(5, null, "Test null order"); petar.ProcessRequest(nullOrder); }