Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


Design an ATM system for banks A, B, C, D in the USA to use.
-The ATMs of all banks provide withdraw, deposit, and transfer capabilities
-The ATMs of banks A and B have stock purchasing capability
-The ATMs of banks B and C provide online pay capability
-The ATMs of banks A, C and D are 24/7
What pattern would be used?

Marker Interface, Immutable

Model a cub scout system with four dens: lion tiger, wolf and bear. The wolf and bear are more senior scouts than the other two. Award A can be given to lions and tigers. Award B can be given to tigers and wolfs. Award C is given to wolfs and bears. Award D is given to tigers, wolfs and bears.
For each scout, there are attributes such as name, age, sex and height. However, only age and height are allowed to be changed in the system.
What patterns can be used?


A system provided a service for use, and its computation took time. To prevent users from getting bored, a plan is to first show a greeting message and the waiting time before performing the service. After service is done, a "thank you" prompt will be displayed. Which design pattern would be used?

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording