publicStringgonggaoAdd TGonggaogonggao=newTGonggao; gonggaosetGonggaoTitlegonggaoTitle; gonggaosetGonggaoContentgonggaoContent; gonggaosetGonggaoDatanewSimpleDateFormatyyyy-MM-ddHHmmformatnewDate;

The above code is written in Java and defines a public method called "gonggaoAdd". This method creates a new instance of the "TGonggao" class and sets its attributes such as the title, content, and date. It then saves this instance using a "gonggaoDAO" object and sets a success message and path for redirection. The method returns a string value of "succeed". This suggests that the method is likely used in a web application for adding new announcements or notifications to a system.