java生成编号

public static String getNewEquipmentNo(String equipmentType, String equipmentNo){
        String newEquipmentNo = "00001";

        if(equipmentNo != null && !equipmentNo.isEmpty()){
            int newEquipment = Integer.parseInt(equipmentNo) + 1;
            newEquipmentNo = String.format(equipmentType + "%05d", newEquipment);
        }

        return newEquipmentNo;
    }

public static void main(String[] args) {
        String equipmentNo = Test2.getNewEquipmentNo("csdn", "00001");
        System.out.println("生成编号为：" + equipmentNo);
    }