Chapter 12.11, Problem 12.11.4CP

Explanation of Solution

Scanner class:

The Scanner class helps to create the object for Scanner for reading the input strings from console and also inputs are delimited by whitespace characters.

The syntax to create an object for Scanner class using System.in is given below:

Scanner objName = new Scanner(System.in);

The syntax to create an object for Scanner class using input file is given below:

Scanner objName = new Scanner(new File(filename));

Reason to throws Exception in main method in ReadData.java:

In ReadData...