1. import java.io.BufferedWriter;
  2. import java.io.FileWriter;
  3. import java.io.IOException;
  4. import java.util.Map;
  6. public class ConfigWriter {
  8. /**
  9. * Writes configuration data to a text file.
  10. * @param filename The name of the file to write to.
  11. * @param configData A map containing the configuration parameters.
  12. */
  13. public static void writeConfig(String filename, Map<String, String> configData) {
  14. try (BufferedWriter writer = new BufferedWriter(new FileWriter(filename))) {
  15. // Write each key-value pair to the file
  16. for (Map.Entry<String, String> entry : configData.entrySet()) {
  17. writer.write(entry.getKey() + "=" + entry.getValue());
  18. writer.newLine(); // Add a newline after each entry
  19. }
  20. } catch (IOException e) {
  21. System.err.println("Error writing to file: " + e.getMessage());
  22. }
  23. }
  25. public static void main(String[] args) {
  26. //Example Usage
  27. Map<String, String> config = Map.of(
  28. "logLevel", "INFO",
  29. "host", "localhost",
  30. "port", "8080"
  31. );
  33. writeConfig("config.txt", config);
  34. }
  35. }

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