What is geolocation? A. It is a website that allows users to determine their location in real life.
B. It is the act of determining a user's real-life location using Internet and mobile devices.
C. It is a paid service offered by Internet browsers to users who wish to know and share their location.
D. It is a free service offered by Internet browsers to users who wish to know and share their location.

Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system. currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system. currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system. currenttimemillis() just after the end of the algorithm as the elapsed time.