Provide a class for authoring a simple letter. In theconstructor, supply the names of the sender and therecipient:

   public Letter(String from, String to)

Supply a method

   public void addLine(String line)

to add a line of text to the body of the letter.

Supply a method

   public String getText( )

That returns the entire text of the letter. The text has theform:

    Dear recipientname:

   blankline

  firstline of the body

   second line of thebody

   .....

   last line of thebody

   blankline

   sincerely,

   blankline

   sendername

Also supply a program LetterPrinter that prints thisletter.

   Dear John:

   I am sorry we must part.

   I wish you all the best

   Sincerely,

   Mary

Construct an object of the letter class and call addLinetwice.