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Objectives: In this lab, the following topic will be covered: 1. Objects and Classes . Task Design a class named StopWatch. The class contains: Private
Objectives: In this lab, the following topic will be covered: 1. Objects and Classes . Task 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. Write a test program that measures the execution time of sorting 100,000 numbers (generated randomly in the range of 0 to 100) using the following selection sort method: i; /** The method for sorting the numbers */ public static void selectionSort(int[] list) { for (int i = 0; i list[j]) { currentMin = list[j]; currentMinIndex = j; } } // Swap list[i] with list[currentMinIndex] if necessary; if (currentMinIndex != i) { list[currentMinIndex] = list[i]; list[i] = currentMin; } } }
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