1. import java.util.List;
  3. public class HypothesisValidator {
  5. /**
  6. * Searches a list of lists for a specific hypothesis.
  7. *
  8. * @param listOfLists The list of lists to search.
  9. * @param hypothesis The hypothesis to search for.
  10. * @return True if the hypothesis is found in any of the inner lists, false otherwise.
  11. */
  12. public static boolean validateHypothesis(List<List<String>> listOfLists, String hypothesis) {
  13. if (listOfLists == null || hypothesis == null) {
  14. return false; // Handle null inputs
  15. }
  17. for (List<String> innerList : listOfLists) {
  18. if (innerList != null && innerList.contains(hypothesis)) {
  19. return true; // Hypothesis found
  20. }
  21. }
  23. return false; // Hypothesis not found
  24. }
  26. public static void main(String[] args) {
  27. // Example Usage
  28. List<List<String>> data = List.of(
  29. List.of("apple", "banana", "orange"),
  30. List.of("grape", "kiwi", "apple"),
  31. List.of("mango", "pineapple", "strawberry")
  32. );
  34. String hypothesis1 = "apple";
  35. String hypothesis2 = "watermelon";
  37. System.out.println("Hypothesis '" + hypothesis1 + "' validated: " + validateHypothesis(data, hypothesis1)); //true
  38. System.out.println("Hypothesis '" + hypothesis2 + "' validated: " + validateHypothesis(data, hypothesis2)); //false
  39. }
  40. }

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