The default settings in the Publish Settings dialog box will result in an AIR file.
Answer the following statement true (T) or false (F)
False
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____ the styles allows the designer to start from a known baseline, confident that no unwanted styles will creep in from any browser's internal style sheet.
A. Rebooting B. Resetting C. Redesigning D. Reusing
Which unary operator is used to access the contents of a memory cell through an indirect reference?
a. % b. # c. * d. & e. !
The Line Length application should draw a straight black line on a JFrame and calculate the length of the line. The line should begin at the coordinates where the mouse button is pressed and should stop at the point where the mouse button is released. The application should display the line’s length (that is, the distance between the two endpoints) in the Length= JTextField. Use the following formula to calculate the line’s length, where (x1 , y1 ) is the first endpoint (the coordinates where the mouse button is pressed) and (x2 , y2 ) is the second endpoint (the coordinates where the mouse button is released). To calculate the distance (or length) between the two points, use the following equation:
To draw a straight line, you need to use the drawLine method on a Graphics object. Use the following method call to draw a black line between the two points using a Graphics object reference g:
a) Copying the template to your working directory. Copy the C:Examples Tutorial21ExercisesLineLength directory to your C:SimplyJava directory.
b) Opening the template file. Open the LineLength.java file in your text editor.
c) Coding the lineLengthMousePressed method. Find the lineLengthMousePressed method, which starts at line 97. Inside the lineLengthMousePressed method, add code to clear lengthJTextField, store the x- coordinate in instance variable point1x (declared for you in the template) using the statement event.getX()and store the y- coordinate in instance variable point1y (declared for you in the tem-
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Windows provides ____, a utility that deletes temporary files created when you surf the Web, edit files, or perform other actions, such as opening e-mail attachments from the message window instead of first saving the attachment to your hard disk.
A. Disk Eraser B. Disk Scan C. Disk Cleanup D. Disk Helper