Exercise 4-1:

1.  Declare and initialize 2 String variables: custName and itemDesc
2.  Declare a String variable called message.  Do not initialize it.
3.  Assign the message variable with a concatenation of the custName and itemDesc.  
     Include a String literal that results in a complete sentence.  
     (example: "Mary Smith wants to purchase a Shirt")
4.  Print the message to the System output.
5.  Run the code.
