The data displayed is typically kept in an ArrayList reference.
显示的数据通常保存在一个ArrayList引用中。
Remember that this input should be the ArrayList of your data model.
记住，此输入必须是数据模型的ArrayList。
Data is added in the Action class by making state and status of type arraylist.
通过将state和status设置为arraylist类型将数据添加到action类。
For example, we create the ArrayList first and add three book instances to it.
例如，先创建ArrayList并向其中添加三个书实例。
For example, we create the ArrayList first and add three book instances to it.
例如，先创建ArrayList并向其中添加三个书实例。
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