Create UML diagram for following specifications given by the client, who is a Reatil Store owner to you;-

A RetailItem class is required to hold information about an item in a retail store. The class should have following fields;-

a) description;- the description field references a String object that holds a brief description about an item.

b) unitsOnHand;- The unitsOnHand field is an int variable that holds the number of units currently in inventory.

c) price;- The price filed is a double variable that holds the item's retail price.

In addition to the fields, the RetailItem class should have following constructors and methods.

d) Default Constructor;- A constructor which assigns 0 to unitsOnHand field, 0.0 to price and "nodesc" to description field.

e) Parameterized Constrtuctor;- The constructor that accepts the arguments for each field and stores them into their respective fields.

f) Accessors;- accessor method for each field, which returns the respective field value.

g) Sold method;- sold() method, which subtracts 1 from unitsOnHands value, everytime its called. Choose the appropriate return type for this method.

h) ReStock method;- reStock() method, which adds 1 to unitsOnHands everytime this method is called. Choose the appropriate return type for this method.

Part-2 Create class RetailItem and implement all points from A to H specified above. Demonstrate the class in a test program that creates a RetailItem object, and then call the sold function 2 times, which should display updated unitsOnHands after each call. Then call the reStock method 2 times, which should again display updated unitsOnHands after each call.