simplistic textbook exaples shpw a task that is waiting at a rendezous for another task to arrive to be in a continuous loop. what non busy wait method is really usedd

Match the items with their respective descriptions.

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.

Worth 50 points answer them bc i am not sure if i am wrong