code: public void initializeDefaultPreferences() {
  		IPreferenceStore store = Activator.getDefault()
  				.getPreferenceStore();
  		store.setDefault(PreferenceConstants.P_INT_HITS_PER_PAINT, "10000");
  		store.setDefault(PreferenceConstants.P_STRING_DEFAULT_LOG_FILE, "");
  		store.setDefault(PreferenceConstants.P_STRING_DEFAULT_TYPE_FILE, "");
  	}
docs: /*
  (non-Javadoc)
  
  @see org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer#initializeDefaultPreferences()