code: public static String get(final String key, final String def) {
  		try {
  			return systemRoot.get(fixKey(key), def);
  		} catch (final Exception e) {
  			// just eat the exception to avoid any system crash on system issues
  			return def;
  		}
  	}
docs: Gets the.
  
  @param key the key
  @param def the def
  @return the string
  @see java.util.prefs.Preferences#get(java.lang.String, java.lang.String)