Data: An object; a generic reference that is carried along to listeners; often a collection class (such as a Vector or Hashtable) or a customized data object.

data：一个对象；传递给侦听程序的一般引用；常常是一个集合类(如vector或Hashtable)或一个定制的数据对象。

youdao

Data: An object; a generic reference that is carried along to listeners; often a collection class (such as a Vector or Hashtable) or a customized data object.

data：一个对象；传递给侦听程序的一般引用；常常是一个集合类(如vector或Hashtable)或一个定制的数据对象。

youdao