Chapter 7, Problem 2RE

Explanation of Solution

“FileNotFoundException”:

• A “FileNotFoundException” would be thrown if the file could not be opened because, there is already a folder named which was given by the user.
• This exception can be thrown when an application tries to open a file for writing, but that fil...

Explanation of Solution

Example program:

//import the required header files

import java.io.File;

import java.io.FileNotFoundException;

import java.io.PrintWriter;

import java.util.Scanner;

//definition of "Test" class

public class Test

{

    //definition of main method

public static void main(String args[]) throws FileNotFoundException

    {

        //declare an object for "Scanner" class

        Scanner x = new Scanner(System.in);

        //get the input file name

System.out.println("Enter the input filename:");

        String i = x.next();

        //get the output file name

System.out.println("Enter the output filename:");

        String out = x.next();

        //declare a variable for "File" class

        File inp = new File(i);

        //declare an object for "Scanner" class

        Scanner a = new Scanner(inp);

        //declare an object for "PrintWriter" class

        PrintWriter o = new PrintWriter(out);

        //declare the variable

        double t = 0;

        //check the condition

        while(a...