1. (TCO 6) Web applications can implement transactions by using methods that ___

Question

1. (TCO 6) Web applications can implement transactions by using methods that _______. (Points : 3)        revert the transaction back to the original state of the database
       initiate a transaction
       commit the transaction
       validate the transaction
       All of the above

       Edit Style dialog
       Edit Field
       EditItem
       FormatItem
       FormatForm

Question 2. 2. (TCO 6) _________ saves the changes in the database. (Points : 3)        Instantiate Transaction
       Process Transaction
       Begin Transaction
       Commit Transaction
       Rollback Transaction

Explanation / Answer

1.1)
"Formatter" class is used for alignment, formats of strings,numeric and data-time data. Formatter is not used in file input.
FileInputStream, FileReader, and ObjectInputStream classes are used for file input.
So, the correct answer is "Formatter".

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2.2)
File name = new File( "files.txt" ) cannot identify sub directories "c:ooks€9". It is
not equivalent to given statement. Remain all statements are true to given statement.

So, correct answer is "File name = new File( "files.txt" )".

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3.3)
The following statement,
Scanner scanner = new Scanner( new File( "test.txt" ) );
This statement to read text from the file and pass the associated File object to a Scanner.
So, correct answer is "Opens a text file for input".

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4.4)
The Java interface"Serializable" is a class implement to show that objects of the class can be input and output as a stream of bytes.

So, correct answer is "Serializable".
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5.5)
"getSelectedFile()" method of JFileChooser class returns the selected file.

So, correct answer is " None of the above".
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6.6)
The following three operations are supports if the user closes the window in a JFrame,
1) DISPOSE_ON_CLOSE
2)HIDE_ON_CLOSE
3) DO_NOTHING_ON_CLOSE
The operation "LOWER_ON_CLOSE" is not support the closes the window.
So, correct answer is "LOWER_ON_CLOSE".
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7.7)The calling method "setJMenuBar" is menus are attached to windows.
So, correct answer is "setJMenuBar".
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8.8)
The false statement is "Local variables must be declared static to be used in an anonymous inner class declaration".
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9.9)
A JTabbedPane contains:

Thus, the given all conditions is satisfied for JTabbedPane class.
So, correct answer is "All of the above".
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10.10)
The GridBagConstraints " RELATIVE and REMAINDER" constants can be used in place of gridX and gridY.

So, correct answer is"RELATIVE and REMAINDER".

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