When adding an entry to a blog, you choose the ________ button
A) Save
B) Publish
C) Upload
D) Blog
B
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A variable that is used to indicate whether or not a specific action has taken place is called a(n) __________.
Fill in the blank(s) with correct word
The parameter list in the method header and the arguments in the method call must agree in:
a. number b. type c. order d. all of the above
(Modified Class Average Application) The Class Average application has a deficiency. The Average JButton is never disabled after the average is calculated the first time. Modify the Class Average application, so that the Get Grades JButton is disabled after the user enters 10 grades. The user’s only option then will be to click the Average JButton to display the average. Once the average is displayed, have the application disable the Average JButton, enable the Get Grades JButton and give the Get Grades JButton the application’s focus, so that the user may enter 10 new grades. See figure 9.23 below:
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a) Copying the template to your working directory. Copy the directory C:Examples Tutorial09ExercisesModifiedClassAverage to your C:SimplyJava directory.
b) Opening the template file. Open the ClassAverage.java file in your text editor.
c) Modifying the getGradesJButtonActionPerformed event handler. Add code in lines 139–140 to disable the Get Grades JButton. Use line 139 for a comment, and line 140 to perform the disabling.
d) Modifying the averageJButtonActionPerformed event handler. Add code starting in line 150 that will disable the Average JButton, enable the Get Grades JButton and give the application’s focus to the Get Grades JButton.
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 Start > Programs > Accessories > Command Prompt. Change to your working directory by typing cd C:SimplyJavaModified- ClassAverage.
g) Compiling the
In Judaism and Islam it is customary not to portray images of people in their artworks.
a. true b. false