Start a new project named "project$-11"$ and select one of the following exercises:

For a maximum of $7$ out of $10($ten$)$ points equivalent of "Concurrency$1.$java" as a Java console application in which the task is to calculate the area of a circle given the radius before the task is put to sleep $($the radius of a circle should be assigned the same random value in seconds as the sleep time, e$.$g$.$ if the sleep time is $3500$ milliseconds, the radius is $3\mathrm{.}5$ seconds$)$; display the radius and the area for each circle when the task comes out of sleep; instantiate and run at least three tasks

Provide full documentation using the Javadoc standard and based upon the downloaded sample files for the unit.