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Parameterized ArrayList in Java

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Questions and Answers

What is the purpose of the 'BookAdapter' class in the Android program mentioned in the text?

To define the layout structure for the list items

To create a pop-up menu for the list items

To handle item selections in the ListView

To manage a list of Book items in a ListView (correct)

In the 'BookAdapter' class, what is the significance of the 'getView' method?

To define the structure of each list item (correct)

To populate the ListView with data from an ArrayList

To inflate a layout for the list items

To create a pop-up menu for handling item selections

What is the role of 'LayoutInflater' in the 'getView' method of the 'BookAdapter' class?

To create a pop-up menu for the list items

To inflate a layout for the list items (correct)

To populate the ListView with data from an ArrayList

To handle item selections in the ListView

Which component is responsible for displaying the title of a Book item in the Android program?

txt_title Signup and view all the answers

What does the 'ArrayList books' represent in the 'BookAdapter' constructor?

Data source for Book items Signup and view all the answers

Which parameter in the 'getView' method is used to determine the position of the item being displayed?

'int position' Signup and view all the answers

Why is it necessary to check if 'view == null' inside the 'getView' method?

To inflate a new layout Signup and view all the answers

Which class does the 'BookAdapter' class extend in the Android program?

'BaseAdapter' Signup and view all the answers

What is the purpose of the 'Context context' parameter in the 'BookAdapter' constructor?

To pass application-specific information Signup and view all the answers

'txt_author.setText(book.author)' line of code is used to display what information about a Book item?

'Author' information Signup and view all the answers