Question 214 pts

(TCOs 1, 5, and 6) What must you make available to your application before you can use JDBC to connect to a database?

A database driver

A web server

A firewall

An ODBC data source

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Question 224 pts

(TCO 1-6) An object is an instance of a

method.

class.

data.

program.

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Question 234 pts

(TCOs 16) To execute the query "select * from Address" using the Statement object named stmt that has been properly configured with a database connection, use

stmt.executeUpdate("select * from Address");.

stmt.execute("select * from Address");.

stmt.executeQuery("select * from Address");.

stmt.query("select * from Address");.

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Question 244 pts

(TCOs 16) What is the return value from the following? stmt.executeUpdate("insert into T values (100, 'Smith')");

An int value indicating how many rows are effected from the invocation

An object that contains the status of the execution

A value indicating whether the SQL statement has been executed successfully

Void

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Question 254 pts

(TCOs 16) Suppose a prepared statement is created as follows. PreparedStatement ps = conn.prepareStatement ("insert into Student (fName, mi, lName) values (?, ?, ?)"); To assign the value John to the first parameter of this query, use

ps.setString(1, "John");.

ps.set (1, John);.

ps.setString(0, "John");.

ps.set (0, John);.

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Question 264 pts

(TCOs 16) Which method can be used to read a whole line from a file opened with the BufferedReader object infile?

infile.nextLine()

infile.readNext()

infile.readLine()

readLine(infile)

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Question 274 pts

(TCOs 16) Which type of exception occurs when creating a BufferedReader object for a nonexistent file?

FileNotExist

FileNotFound

FileNotExistException

FileNotFoundException

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Question 284 pts

(TCOs 16) Which class can be used to write data into a text file?

File

BufferedWriter

FileWrite

WriteFile

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Question 294 pts

(TCOs 16) Information about the types and properties of the columns of a ResultSet object can be obtained by using a _____ object

ResultSetProperties

ResultSetData

ResultSetMetaData

ResultSetColumns

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Question 304 pts

(TCOs 16) _____ checks whether the JCheckBox jchk is selected.

jchk.isSelected().

jchk.selected()

jchk.select()

jchk.getSelected()

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Question 314 pts

(TCOs 16) The method _____ gets the contents of the text field txtName.

txtName.findString()

txtName.getText(s)

txtName.getString()

txtName.getText()

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Question 324 pts

(TCOs 16) The method _____ appends a string s into the text area jta.

jta.appendText(s)

jta.append(s)

jta.setText(s)

jta.insertText(s)

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Question 334 pts

(TCOs 16) The method _____ assigns the name Result to the Text of the label lblMsg.

lblMsg.findText()

lblMsg.text("Result")

lblMsg.setText("Result")

lblMsg.newText("Result")

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Question 344 pts

(TCOs 16) The item that is clicked in a JList can be retrieved using the _____ method of JList.

getValue

getSelectedValue

getValueSelected

getData

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Question 354 pts

(TCOs 16) Which of the following statements is false?

To check whether a radio button jrb is selected, use jrb.isSelected().

By default, when a radio button is created, the radio button is not selected.

You can create an instance of ButtonGroup and add radio button to the instance to group the buttons.

A GUI may have only one ButtonGroup.