The two most popular browsers in terms of number of users are Netscape Navigator and:
a. Adobe Acrobat
b. JavaScript
c. Macromedia Shockwave
d. Microsoft Internet Explorer
e. Yahoo!
d. Microsoft Internet Explorer
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Which CSS type selector corresponds with the TextField JavaFX class?
a. text-box b. text-field c. text-area d. text
Write an application that mimics the behavior of a screen saver. It should draw random shapes onto a black background and the shapes should build up on top of each other until the screen saver resets (every 30 seconds). You have been provided with a Screen Saver application that does not yet display outlined shapes. It uses the MyRectangle and MyOval classes that you created in this tutorial. Add the code that will display random outlined shapes in your output. Your output should look like Fig. 27.34.
a) Copying the template to your working directory. Copy the C:Examples Tutorial27ExercisesAdvancedScreenSaver directory to your C:SimplyJava directory.
b) Opening the template file. Open the MyRectangle.java file in your text editor.
c) Adding an instance variable to the MyRectangle class. At line 7, add a comment indicating that the instance variable is a boolean and will indicate whether or not the rectangle is filled. At line 8, add a private instance variable named filled of type boolean.
d) Modifying the MyRectangle constructor. You will now modify the MyRectangle constructor so that it can accept an additional boolean argument. At line 12, add a boolean argument named fill to the end of the parameter list. At line 16, set the instance variable filled equal to the value of parameter fill and on the same line, add a comment indicating that filled will specify if the shape will be filled.
e) Modifying the draw method. At line 31, add a comment indicating that an if statem
A box contains 30 cookies. If each cookie weighs 1/2 ounce, what is the weight of the cookies?
Identify the data, condition, and unknown (Polya's components).
A(n) ____ is the data structure of first choice when you have a list of primitive data types or objects that can be grouped as an array but must be expanded or contracted.
a. array b. vector c. object d. class