Which cloud storage system is included with macOS?
a. iCloud
b. Dropbox
c. OneDrive
a. iCloud
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Which of the following is not a member function or operation of shared_ptr.
a. reset b. use_count c. -> d. delete
The Internet does not currently offer any resource reservation or quality of service management facilities. How do the existing Internet-based audio and video streaming applications achieve acceptable quality? What limitations do the solutions they adopt place on multimedia applications?
What will be an ideal response?
Modify the Miles Per Gallon application so that it includes exception handling to handle the NumberFormatExcep- tion when converting the strings in the JTextFields to doubles (Fig. 24.15). The original application allowed the user to input the number of miles driven and the number of gallons used for a tank of gas, in order to determine the number of miles the user was able to drive on one gallon of gas.
a) Copying the template to your working directory. Copy the C:Examples Tutorial24ExercisesEnhancedMilesPerGallon directory to your C:Simply- Java directory.
b) Opening the template file. Open the MilesPerGallon.java file in your text editor. c) Adding a try block. Find the calculateMPGJButtonActionPerformed method,
which immediately follows createUserInterface. Enclose lines 113–120 in a try
block.
d) Adding a catch block. Immediately following the try block you added in Step c, add a catch block to catch a NumberFormatException. Inside the catch block, add code to display an error message dialog at the center of the running application.
e) Saving the application. Save your modified source code file.
f) Opening the Command Prompt window and changing directories. Open the Com- mand Prompt window by selecting Start > Programs > Accessories > Command Prompt. Change to your working directory, EnhancedMilesPerGallon, by typing cd C:SimplyJavaEnhancedMilesPerGallon.
Match the following PowerPoint features with their descriptions:
I. URL II. action button III. hyperlink IV. trigger V. motion path A. initiates something when clicked or pointed to B. track that an object follows C. connection that branches to another location D. launches an animation E. address of a resource on the Web