If you type ________ in a field that is a Date/Time data type, the current date will be displayed
Fill in the blank(s) with correct word
Date()
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An uncaught exception in a method causes the method to ___________ from the methodcall stack.
Fill in the blank(s) with the appropriate word(s).
Name the four keywords associated with a switch statement.
What will be an ideal response?
Create an application that mimics the functionality of a vending machine. Your application’s GUI has been completed for you (Fig. 14.18). Store the prices of each item for sale in the vending machine in an instance variable. Also, add the code that will display the price of an item when the item’s number has been entered and Enter JButton has been clicked.
a) Copying the template to your working directory. Copy the C:Exam- plesTutorial14ExercisesVendingMachine2 directory to your C:SimplyJava directory.
b) Opening the template file. Open the VendingMachine.java file in your text editor. c) Adding instance variables. After the last GUI component is declared (line 53),
declare private String instance variables to store the prices of each of the snacks.
Each String should be in the form "$0.00" where the price of the snack is substi- tuted for the zeros. The variables’ names and prices should be snackPrice1 ("$1.25"), snackPrice2 ("$0.50"), snackPrice3 ("$1.25"), snackPrice4 ("$1.00"), snackPrice5 ("$1.25"), snackPrice6 ("$1.25"), snackPrice7 ("$1.00") and snackPrice8 ("$0.50").
d) Coding the enterJButtonActionPerformed method. Locate the enterJButtonAc- tionPerformed method. In this method, store the user input entered in the inputJ- TextField. Then, use a switch statement to di
Perhaps the single most significant advance in computer image processing during the late 1980s was the development of:
a. digital cameras. b. 3D modeling programs. c. image-editing programs. d. scanners. e. electronic crayons.