With a(n) mouse, you control the movement of the pointer on the screen and make selections from the screen.
Answer the following statement true (T) or false (F)
True
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Create an application that allows a user to make a list of office supplies to buy as shown in Fig. 8.25. The user should enter the supply in a JText- Field, then click the Buy JButton to add it to the JTextArea. The Clear JButton removes all the items from the JTextArea.
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a) Copying the template to your working directory. Copy the directory C:Examples Tutorial08ExercisesOfficeSupplies to your C:SimplyJava directory.
b) Opening the template file. Open the OfficeSupplies.java file in your text editor. c) Adding code to the event handler for the Buy JButton. Add a statement to the
buyJButtonActionPerformed event handler (which begins in line 105) that obtains
the user input from itemJTextField, then appends the user input to outputJText- Area. Add another statement that clears the itemJTextField.
d) Adding code to the event handler for the Clear JButton. Add a statement to the clearJButtonActionPerformed event handler (immediately after the buyJButton- ActionPerformed event handler) that uses JTextArea method setText to clear outputJTextArea.
e) Saving the application. Save your modified source code file.
f) Opening the Command Prompt window and changing directories. Open the Com- mand Prompt window by selecting Star
The first part of a link is what the viewer actually sees and clicks; the second part is the ____________________, which is the name and physical location of the web page file that opens when the link is clicked.
Fill in the blank(s) with the appropriate word(s).
The ____ method is used to clear a setInterval() method call.
A. exitInterval() B. stopInterval() C. clearInterval() D. cancelInterval()
In the figure above, which number points to the text box you would use to increase the distance between the cell walls and the content?
A. 2 B. 3 C. 4 D. 5