Chapter 6.1, Problem 4SCP

Explanation of Solution

Code to construct “Scanner” object:

• To create Scanner object for file operation, instead of passing “System.in” to the constructor, user should pass File object.
• To create the

  File f = new File( "input.txt" );

  Scanner input = new Scanner(f) ;

  OR

  Scanner input= new Scanner(new File( "input...