Posted: June 8th, 2022

Cis355a week 6 quiz | Computer Science homework help

Week 6 : Swing and Database Connectivity – Quiz

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Question 1.1. (TCOs 1–8) Which of the following statements is false? (Points : 3)

        You can disable editing on a text area.

        You can specify the number of columns in a text area.

        You can create a text field with a specified text area.

        You can specify a horizontal text alignment in a text area.



Question 2.2. (TCOs 1–8) _____ can be used to enter or display a string. (Points : 3)

        A button

        A check box

        A text field

        A label

        A radio button



Question 3.3. (TCOs 1–8) The method _____ gets the contents of the text field jtf. (Points : 3)







Question 4.4. (TCOs 1–8) Analyze the following code.

import javax.swing.*;

import javax.swing.border.*;

import java.awt.*;

public class Test extends JFrame  {

  public Test() {

    Border border = new TitledBorder(“My button”);

    JButton jbt1 = new JButton(“OK”);

    JButton jbt2 = new JButton(“Cancel”);



    add(jbt1, BorderLayout.NORTH);

    add(jbt2, BorderLayout.SOUTH);


  public static void main(String[ ] args) {

    JFrame frame = new Test();

    frame.setSize(200, 100);




} (Points : 3)

        Two buttons displayed with the same border.

        The program has a compile error because you assign new TitledBorder(“My button”) to a variable of the border type.

        The program has a runtime error because you cannot set a border on a button.

        Two buttons displayed, but only one button has the border.



Question 5.5. (TCOs 1–8) _____ allows selections of multiple contiguous items without restrictions. (Points : 3)

        Single selection

        Single-interval selection

        Multiple selection

        Multiple-interval selection



Question 6.6. (TCOs 1–8) To retrieve all courses with more than 3 credit hours, you write 

select * from Course

where numOfCredits > 3;

Is this statement correct? (Points : 3)





Question 7.7. (TCOs 1–8) What is the return value from 

     stmt.executeUpdate(“insert into T values (100, ‘Smith’)”) (Points : 3)

        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.




Question 8.8. (TCOs 1–8) Which of the following statements is false? (Points : 3)

        PreparedStatement is for SQL query statements only. You cannot create a PreparedStatement for SQL update statements.

        The parameters in a prepared statement are denoted using the ? sign.

        PreparedStatement is efficient for repeated executions.

        PreparedStatement is a subinterface of Statement.



Question 9.9. (TCOs 1–8) What information may not be obtained from a DatabaseMetaData object? (Points : 3)

        Maximum number of connections to the database

        ODBC driver name and version

        Maximum table name length and maximum number of columns in a table

        Database URL and product name



Question 10.10. (TCOs 1–8) The method _____ adds a text area jta to a scrollpane jScrollPane. (Points : 3)




        None of them




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