(Stopwatch) Design a class named StopWatch. The class contains: ? The private data fields startTime and endTime with get methods. ? A constructor that initializes startTime with the current time. ? A method named start() that resets the startTime to the current time. ? A method named stop() that sets the endTime to the current time. ? A method named getElapsedTime() that returns the elapsed time for the stop watch in milliseconds. Draw the UML diagram for the class, and then implement the class.

ITT: Stopwatch

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