1. import java.util.Date;
  3. public class DateFallback {
  5. /**
  6. * Converts a Date value to a fallback date for internal use,
  7. * supporting older Java versions.
  8. *
  9. * @param date The Date to convert. Can be null.
  10. * @return A fallback Date object. Returns null if input is null.
  11. */
  12. public static Date fallbackDate(Date date) {
  13. if (date == null) {
  14. return null; // Handle null input gracefully
  15. }
  17. // For older Java versions (pre Java 8), use a fixed fallback date.
  18. // For Java 8 and later, can use a more dynamic fallback if needed.
  19. return new Date(1970, 0, 1); // January 1, 1970 (UTC) - a common fallback
  20. }
  22. public static void main(String[] args) {
  23. Date originalDate = new Date();
  24. Date fallback = fallbackDate(originalDate);
  26. if (fallback != null) {
  27. System.out.println("Original Date: " + originalDate);
  28. System.out.println("Fallback Date: " + fallback);
  29. } else {
  30. System.out.println("Original Date was null, fallback is null.");
  31. }
  33. Date nullDate = null;
  34. Date nullFallback = fallbackDate(nullDate);
  35. System.out.println("Null Date Fallback: " + nullFallback);
  37. }
  38. }

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