(Stopwatch) Design a class named StopWatch. The cl Private data fields startTime and endTime with A no-arg constructor that initializes start Time wi A method named start that resets the startTi that sets the endTime to

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9.6 (Stopwatch) Design a class named StopWatch. The class contains:
Private data fields startTime and endTime with getter methods.
■ A no-arg 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
stopwatch in milliseconds.
Show transcribed image text
Draw the UMI. diagram for the class and then implement the class. Write a test
program that measures the execution time of sorting 100,000 numbers using
selection sort.
For ed
Transcribed Image Text:phys2 - Google Drive Books ▾ WhatsApp Study Career Life 9.6 (Stopwatch) Design a class named StopWatch. The class contains: Private data fields startTime and endTime with getter methods. ■ A no-arg 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 stopwatch in milliseconds. Show transcribed image text Draw the UMI. diagram for the class and then implement the class. Write a test program that measures the execution time of sorting 100,000 numbers using selection sort. For ed
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