All of the following are power plans built into your computer EXCEPT _____.
A. balanced
B. power saver
C. energy saver
D. high performance
Answer: C
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The method setRolloverIcon is used to ________.
a. Handle a key event b. Change the button text c. Change the button icon d. All of the above
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
A leader tab displays in the document to help you align text but does not display when printed
Indicate whether the statement is true or false
A ________ is a location that physically houses equipment that is used to store, manage, process, and exchange digital data and information
A) server B) data center C) router D) switch