A Comma Separated Value (CSV) text file called movies.txt is located in the directory of your Eclipse Project. ( If your Eclipse Project name is Assignment2, the text file is located under Assignment2, NOT src folder)   It contains data for one movie on each line. Each Movie contains the following data items: Title(String), Year(int-4 digits), Runtime(double).   Write Java program(s) to do the following: 1) Read the movies.txt Text file and write the data as a Serialized file called movies.ser to the local directory(same as movies.txt). 2) Read the movies.ser serialized file and output the data on to the Console in the format shown below.   The spacing for the output is: Title(20), Year (8) and Runtime (10.2) Title and Year are left-justified, Runtime is right-justified. (You can use your own text file to test your program)   Sample output:   Title                       Year         Runtime    aaaaaaaaaaa        aaaa           aa.aa ......                           ......             ..... ......   ......             ..... xxxxxxxx                xxxx             xx.xx yyyyyyy                   yyyy        yyy.yy

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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I am having problems with my Java code.  I get the following error message, when I try to run the program:  Writer cannot be resolved at ReadMovieFile.main(ReadMovieFile.java:54)

 

Instructions:

A Comma Separated Value (CSV) text file called movies.txt is located in the directory of your Eclipse Project.

( If your Eclipse Project name is Assignment2, the text file is located under Assignment2, NOT src folder)

 

It contains data for one movie on each line.

Each Movie contains the following data items:

Title(String), Year(int-4 digits), Runtime(double).

 

Write Java program(s) to do the following:

1) Read the movies.txt Text file and write the data as a Serialized file called movies.ser to the local directory(same as movies.txt).

2) Read the movies.ser serialized file and output the data on to the Console in the format shown below.

 

The spacing for the output is: Title(20), Year (8) and Runtime (10.2)

Title and Year are left-justified, Runtime is right-justified.

(You can use your own text file to test your program)

 

Sample output:

 

Title                       Year         Runtime   

aaaaaaaaaaa        aaaa           aa.aa

......                           ......             .....

......   ......             .....

xxxxxxxx                xxxx             xx.xx

yyyyyyy                   yyyy        yyy.yy

Solution:

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileReader;

import java.io.FileInputStream;

import java.io.FileWriter;

import java.io.IOException;

import java.io.FileNotFoundException;

import java.io.InputStreamReader;

 

public class ReadMovieFile {

public static void main(String[] args) throws IOException {

File directory = new File("."); // getting the instance of the project

// store the source file name

String sourceFilename = directory.getCanonicalPath() + File.separator + "movies.txt";

// store the destination file name

String destinationFilename = directory.getCanonicalPath() + File.separator + "movies.ser";

 

BufferedReader br;

 

try {

String line = "";

String csvFile = "";

br=new BufferedReader(new FileReader(csvFile));

 

BufferedWriter writer=new BufferedWriter(new FileWriter(destinationFilename));

while ((line = br.readLine())!=null) {

// use comma as separator for csv File

 

String cvsSplitBy = null;

String[] movie = line.split(cvsSplitBy);

// adding separators to values

// format text

 

String movie_record = String.format("%-20"+movie[0]) + String.format("%-8"+movie[1]) + String.format("%10.2"+movie[2]);

writer.append(movie_record);

 

writer.newLine();

}

 

}catch(FileNotFoundException ex) {

ex.printStackTrace();

 

} catch (IOException ex) {

ex.printStackTrace();

 

} finally {

if (br!=null) {

try {

br.close();

 

writer.close();

}catch (IOException ex) {

ex.printStackTrace();

}

}

}

}

 

Error is detected at the writer.close() line.

 

Please help.

}

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