Which of the following is NOT one of the three steps in database design?
A) Identify your entities.
B) Identify the attributes.
C) Specify the relationships between the tables.
D) Determine the queries you want to create.
D
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Answer the following statements true (T) or false (F)
1) To inherit a form you must import the .dll file that is created by the form desired. 2) All controls contain the method OnPaint which is used to change the display on a control. 3) The only controls available are the ones provided in C#. 4) Timers run on an interval event, which they create themselves.
Like Word's spelling checker, Excel provides a grammar checker.
Answer the following statement true (T) or false (F)
The if statement is called a ______________ statement because it selects or ignores one action (or sequence of actions).
a) single-selection b) multiple-selection c) double-selection d) repetition
Enhance the Painter application that you developed to include menus to allow the user to select the size and color of the painted ellipses and the color of the JFrame (Fig. 22.34). (The menus replace the JRadioButtons.) Also, add a multiline JTextArea that allows the user to type text to accompany the painting. The user should be able to use menus to select the font style and color of the text and the background color of the JTextArea.
a) Copying the template to your working directory. Copy the C:Examples Tutorial22ExercisesPainterEnhanced directory to your C:SimplyJava direc- tory.
b) Opening the template file. Open the Painter.java file in your text editor.
c) Creating paintJMenu. In line 75, add the code that will set up paintJMenu. To do this, create a new JMenu and assign it to paintJMenu. Next, set the text of paintJ- Menu to "Paint". Set the mnemonic for paintJMenu to the P key. You will need to use KeyEvent constant VK_P. The, add paintJMenu to painterJMenuBar.
d) Creating textJMenu. Before the code that sets up textColorJMenuItem, add the code that will set up textJMenu. To do this, create a new JMenu and assign it to text- JMenu. Next, set the text of textJMenu to "Text". Set the mnemonic for textJMenu to the T key. You will need to use KeyEvent constant VK_T. Then, add textJMenu to painterJMenuBar.
e) Allowing the user to select the paint color. In the paintColorJMenuItemAction- Performed method, dec