Preferences.MAX_KEY_LENGTH : Preferences « java.util.prefs « Java by API Java by API java.util.prefs Preferences Preferences.MAX_KEY_LENGTH
import java.util.prefs.Preferences;
public class Main {
public static void main(String[] argv) throws Exception {
// Get maximum key length
int keyMax = Preferences.MAX_KEY_LENGTH;
// Get maximum value length
int valueMax = Preferences.MAX_VALUE_LENGTH;
// Get maximum length of byte array values
int bytesMax = Preferences.MAX_VALUE_LENGTH * 3 / 4;
}
}
Related examples in the same category 1. Preferences.MAX_VALUE_LENGTH 2. Preferences: absolutePath() 3. Preferences: addPreferenceChangeListener(PreferenceChangeListener pcl) 4. Preferences: exportNode(OutputStream os) 5. Preferences: exportSubtree(OutputStream os) 6. Preferences: get(String key, String def) 7. Preferences: getBoolean(String key, boolean def) 8. Preferences: getByteArray(String key, byte[] def) 9. Preferences: getDouble(String key, double def) 10. Preferences: getFloat(String key, float def) 11. Preferences: getInt(String key, int def) 12. Preferences: getLong(String key, long def) 13. Preferences: importPreferences(InputStream is) 14. Preferences: keys() 15. Preferences: name() 16. Preferences: node(String pathName) 17. Preferences: nodeExists(String pathName) 18. Preferences: parent() 19. Preferences: put(String key, String value) 20. Preferences: putBoolean(String key, boolean value) 21. Preferences: putByteArray(String key, byte[] value) 22. Preferences: putDouble(String key, double value) 23. Preferences: putFloat(String key, float value) 24. Preferences: putLong(String key, long value) 25. Preferences: remove(String key) 26. Preferences: removeNode() 27. Preferences: systemRoot() 28. Preferences: userNodeForPackage(Class c) 29. Preferences: userRoot()