content: package com.example.javadoc;
  
  import java.util.List;
  import java.util.Map;
  
  /**
   * JavaDoc test class demonstrating documentation extraction
   * This is a comprehensive test for JavaDoc processing.
   */
  public class JavaDocTest {
  
      /**
       * A constant string value for testing
       * Used throughout the application
       */
      private static final String TEST_CONSTANT = "test";
  
      /**
       * User name field
       * Stores the current user's name
       */
      private String userName;
  
      /**
       * Constructor for JavaDocTest
       * Creates a new instance with default values
       *
       * @param userName the name of the user
       */
      public JavaDocTest(String userName) {
          this.userName = userName;
      }
  
      /**
       * Gets the user name
       * Returns the current user's name
       *
       * @return the user name as a String
       */
      public String getUserName() {
          return userName;
      }
  
      /**
       * Sets the user name
       * Updates the current user's name
       *
       * @param userName the new user name
       */
      public void setUserName(String userName) {
          this.userName = userName;
      }
  
      /**
       * Processes user data with complex logic
       * This method handles user data validation and processing
       *
       * @param data the input data map
       * @param options processing options
       * @return processed result
       * @throws IllegalArgumentException if data is invalid
       */
      public String processUserData(Map<String, Object> data, List<String> options) {
          // Complex processing logic here
          if (data == null || data.isEmpty()) {
              throw new IllegalArgumentException("Data cannot be null or empty");
          }
          return "processed";
      }
  
      /**
       * Private helper method
       * Validates internal state
       */
      private void validateState() {
          // Validation logic
      }
  }
  