Please do this in Java! 3. RetailItem Exceptions Programming Challenge 4 of Chapter 6 required you to write a RetailItem class that holds data pertaining to a retail item. Write an exception class that can be instantiated and thrown when a negative number is given for the price. Write another exception class that can be instantiated and thrown when a negative number is given for the units on hand. Demonstrate the exception classes in a program. /** *Description: This program will displays a string without any user interaction *Class: Fall - COSC 1437.81002 *Assignment1: Hello World *Date: 08/15/2011 *@author  Zoltan Szabo *@version 0.0.0 */    For each method, you will also be required to create docstring as follows: /** * @param String as args * @return Termination code as int, 0 for normal, anything else is error condition * @throws Nothing is implemented */   Flowcharts/UML and Pseudo code   All assignment questions must show design flowchart/UML and/or pseudo code unless otherwise stated for the assignment by your instructor.  Flowcharts/UMLs can be created via an application (DIA) or drawn by hand and photographed for submission.

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Exception Handling Keywords

An exception is a situation or anomaly that occurs during the program execution which prevents the execution from continuing further. An exception is an unexpected behavior that can cause the program to stop abruptly.