ارجو المساعدة في حل كود جافا

public class Shipment {
  private int number;
  private String destination;
  private String deliveryOptions;
  private double deliveryPrice;

  public Shipment(int number, String destination, String deliveryOptions, double deliveryPrice) {
    this.number = number;
    this.destination = destination;
    setDeliveryOptions(deliveryOptions);
    this.deliveryPrice = deliveryPrice;
  }

  public int getNumber() {
    return number;
  }

  public void setNumber(int number) {
    this.number = number;
  }

  public String getDestination() {
    return destination;
  }

  public void setDestination(String destination) {
    this.destination = destination;
  }

  public String getDeliveryOptions() {
    return deliveryOptions;
  }

  public void setDeliveryOptions(String deliveryOptions) {
    if (deliveryOptions.equals("PickUp") || deliveryOptions.equals("HomeDelivery")) {
      this.deliveryOptions = deliveryOptions;
    } else {
      System.out.println("Invalid delivery option, only 'PickUp' or 'HomeDelivery' are allowed.");
    }
  }

  public double getDeliveryPrice() {
    return deliveryPrice;
  }

  public void setDeliveryPrice(double deliveryPrice) {
    this.deliveryPrice = deliveryPrice;
  }

  public double calPriceWithTax() {
    return deliveryPrice * 1.15 + deliveryPrice;
  }
}