What does the Slide pane display?
a. An icon of the active slide
b. A large image of the active slide
c. A tiled image of the active slide
d. A miniature image of the active slide
Answer: b. A large image of the active slide
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Explain the five proprieties of your algorithm for Exercise #7 (input specified, output specified, definiteness, effectiveness, and finiteness).
What will be an ideal response?
Develop an application that calculates a restaurant bill (Fig. 9.27). When the user clicks the Add Items JButton, the user should be able to enter the item ordered, the quantity of the item ordered and the price of the item. To do this, three input dialogs will be displayed per item. The user can enter exactly three items. Once all three items have been entered, your application should display the number ordered, the item ordered and the price per unit in three JTextAreas. The event handler should then calculate and display the total price. For each set of input, the item’s information will be appended to the JTextAreas. Display all prices with dollar formats (that is, preceded by a dollar sign and with two digits to the right of the decimal point). Notice that
a) Copying the template to your working directory. Copy the directory C:Examples Tutorial09ExercisesRestaurantBill to your C:SimplyJava directory.
b) Opening the template file. Open the RestaurantBill.java file in your text editor. c) Adding the do…while loop to the addJButtonActionPerformed event handler.
Beginning in line 130, add a do…while statement that will loop three times. Use an
int variable called counter to control the loop.
d) Adding code to the do…while loop. Within the do…while loop, write three state- ments that display input dialogs (using the JOptionPane.showInputDialog method) to retrieve the quantity, name and price of an item, respectively. Use the value of variable counter in the input dialog prompts to indicate that the user is inputting information for the first, second or third item. Convert the result of the quantity input dialog to type int and the result of the price input dialog to type dou- ble. Use JTextArea meth
What tool is best for automating the completion of repetitive tasks in Excel?
A) Styles B) Themes C) Macro D) Template
When creating network diagrams, what icon description typically represents a network switch?
a. An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. b. An icon that resembles a brick wall. c. An icon that is rectangular in shape, with squiggly lines on the front. d. An icon that is rectangular, which contains four arrows pointing in opposite directions.