When you create an element-based style rule, it uses inheritance, which means that the rule affects not only the element to which you apply the rule but also any elements contained within that element.
Answer the following statement true (T) or false (F)
True
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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
A systems analyst must ____ during critical analysis.
a. resolve conflicting objectives at the end of the process b. question user assumptions c. never question any user assumptions d. identify but not resolve conflicts
The compiler is responsible for ____.
A. translating high-level programming language into machine-readable form B. controlling the operation of the system C. producing output from programming language such as C# D. producing UML diagrams during the design phase
_____ is a server-side scripting technology from Microsoft used to accomplish server-side processing tasks similar to PHP.?
A. ?Dart B. ?ASP (Active Server Pages) C. ?ActionScript D. ?Python