
Write a method called happyGreeting that could be added to the class DateSecondTry in Display 4.2. The method happyGreeting writes the string "Happy Days ! " to the screen a number of times equal to the value of the instance variable day. For example, if the value of day is 3, then it should write the following to the screen:
Happy Days!
Happy Days!
Happy Days!
Use a local variable.

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