Invoice. java
Part A:
Create a class named Invoice that contains fields (instance vari...
Computers and Technology, 05.05.2021 21:00 graygraygray6402
Invoice. java
Part A:
Create a class named Invoice that contains fields (instance variables) for an item number, item name, item quantity, item price, and total cost. Create instance methods that set and get all of these fields except totalCost. The totalCost method should calculate totalCost = price * quantity. Whenever a constructor, the price or quantity is set, you should recalculate the total cost (price X quantity). Create a constructor to set default values of the instance variables (found in output #99999 below).
Part B:
I have created a main method for you that declares three Invoice items. Make sure you read this method to see that your method names match up with the method calls I have provided. You should NOT edit this method. The first object will test the constructors default values. The second object will show the use of your setter methods. The third object will show the overloaded constructor. Display all three Invoice items using descriptive language.
Part C:
Create a toString() method to display data
Create a second constructor to handle all data fields
SAMPLE OUTPUT:
Item #99999 EMPTY Quantity -1 Each $-1.0 Total $1.0
Item #2 Hammer Quantity 2 Each $15.5 Total $31.0
Item #1 Camera Quantity 1 Each $985.5 Total $985.5
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