Java coding

Assignment 1 Submission due: Feb 20, 2020 Name: PS: 1. All questions need to answered. 2. Additional sheets may be attached if required 3. Questions have weightage assigned next to them 4. Copying or any fraudulent means would result in a zero credit. 5. Late assignment will be penalized. Problem 1: (Stopwatch) (15 Points) Design a class named Stop Watch. The class contains: Private data fields startTime and endTime with getter methods. Ano-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 end Time to the current time. A method named getElapsed Time() that returns the elapsed time for the stopwatch in milliseconds. Draw the UML diagram for the class then implement the class. Write a test program that measures the execution time of sorting 100,000 numbers using bubble sort