Eclipse does not point out hints

When you are using Eclipse or myeclipse, you may encounter an automatic prompt, which means that when you use the point, there will be no prompt information behind it. At this point, the workaround is as follows:

1, menu window->preferences->java->editor->content assist->enable Auto activation option to tick
2, window->preferences->java->editor->content assist->advanced above tab select the proposal kinds Contained in the ' Default ' content Assist list: The Java proposals Java Type proposals option will be ticked.

Eclipse does not point out hints