Conventional CD discs use ____ lasers.
A. red
B. infrared
C. blue
D. violet
Answer: B
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The clothing manufacturer was so impressed with the Sales Report application you created), they want you to create a Profit Report application as well. This application will be similar to the Sales Report appli- cation, but it will allow the user to input information as gains or losses. It should provide JRadioButtons to allow the user to select whether a certain item is a gain or a loss (Fig. 17.33).
a) Copying the template to your working directory. Copy the C:Examples Tutorial17ExercisesProfitReport directory to your C:SimplyJava directory.
b) Opening the template file. Open the ProfitReport.java file in your text editor.
c) Modifying the template application.
d) Customizing the Gain JRadioButton. Add code to the createUserInterface method to customize gainJRadioButton. Set the bounds and text so that the compo- nent appears as in Fig. 17.33. Set the JRadioButton to be selected when the applica- tion starts (the default). Add the JRadioButton to profitButtonGroup.
e) Customizing the Loss JRadioButton. Add code to the createUserInterface method to customize lossJRadioButton. Set the bounds and text so that the compo- nent appears as in Fig. 17.33. Add the JRadioButton to profitButtonGroup.
f) Testing which JRadioButton was selected. Add code to the submitItem- JButtonActionPerformed method to test which JRadioButton was selected. If the Gain JRadioButt
Real-world environments can be simulated on a computer as the basis of a game.
Answer the following statement true (T) or false (F)
Case 2Shari is using the buttons on the Pictures toolbar in Expression Web for the first time. She needs some guidance as to which buttons to use to achieve the look she wants.After working on the photo for a while, Shari decides she wants to undo all the actions she has taken on the photo since she last saved the Web page. To do this, Shari should choose the ____ button.
A. Redo B. Restore C. Reset D. Remove
Mixed symbol instance sets are created using the ____________________ tool.
Fill in the blank(s) with the appropriate word(s).