Please include the tester class!! and please write the code in JAVA

Widget Factory In addition to the requirements of the assignment:

• - Code must use keyword final for all constants

• - Create 3 test cases:

  1 object that produces a positive number of widgets 1 object that tries to produce a negative number of

  widgets 1 object that produces 0 widgets

7. Widget Factory Design a class for a widget manufacturing plant. The class should have a method whose argument is the number of widgets that must be produced. The class should have another method that calculates how many days it will take to produce the number of widgets. Assume 10 widgets can be produced each hour. The plant operates two shits of eight hours each per day.)