If you enter a valid user name or password and click Login, you we will get an error message of INVALID_USER_PASSWORD retrieved from Resource bundle, as shown in Figure 6 below.

如果您输入了有效的用户名或口令并单击Login，将得到来自于Resource bundle的INVALID_USER _ PASSWORD错误信息，如图6所示。

youdao

Below the button is an area for an error message.

按钮的下方是一个错误信息区。

youdao

We also saw a brief demo of the prototype application, and sure enough, it showed us when an LED block was placed backwards with an error message -- you can see it in action in the video below.

ENGADGET