Chapter 8, Problem 9PP

Program Plan Intro

Letter Class

Program plan:

Letter.java:

• Define the class “Letter”.
  • Declare required variables.
  • Define the parameterized constructor.
    • Initialize the values.
    • Concatenate the first line “Dear” and “toName”.
  • Give function to add the lines.
    • Concatenate the lines using “concat ()” method.
  • Finally return the whole letter by using the method “getText ()”.

LetterPrinter.java:

• Define the class “LetterPrinter”.
  • Define the method “main ()”.
    • Create an object for “Letter” class and pass the sender name, and receiver name.
    • Add the lines by using the function “addLine ()”.
    • Get and print the complete letter by calling the function “getText ()”.