code: private void printDetails() {
  		StringBuilder builder = new StringBuilder("\"Name\",\"Phone\",\"Roles\",\"Identifier\"\n");
  		for (Object contact : repeater.getBeanList()) {
  			builder.append(contact).append('\n');
  		}
  		printOutput.setText(builder.toString());
  	}
docs: Write the list of contacts into the WTextArea printOutput.