Computer Science 202
Introduction to Programming

Fall 2012, The College of Saint Rose

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Shout BlueJ Project

Click here to download a BlueJ project for Shout.

Shout Source Code

The Java source code for Shout is below. Click on a file name to download it.

Shout.java

/*
 * Example Shout: convert a file to all upper case
 *
 * Jim Teresco, The College of Saint Rose, CSC 202, Fall 2012
 *
 * $Id: Shout.java 1967 2012-11-01 03:23:14Z terescoj $
 */

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Shout {

    public static void main(String[] args) throws IOException {
        
        // Create a regular Scanner for file name inputs
        Scanner keyboard = new Scanner(System.in);
        
        // read in the input and output filenames
        System.out.print("Input file name? ");
        String inFileName = keyboard.next();
        
        System.out.print("Output file name? ");
        String outFileName = keyboard.next();
        
        // create our file Scanner and PrintWriter
        Scanner input = new Scanner(new File(inFileName));
        PrintWriter output = new PrintWriter(new File(outFileName));
        
        // read in the file, line by line, printing out an
        // upcased version (SHOUTING!)
        // we can continue as long as there are more lines in the file
        while (input.hasNextLine()) {
            String line = input.nextLine();
            // we can get an uppercased version of any String by
            // calling toUpperCase.  So let's.
            output.println(line.toUpperCase());
        }
        
        // close our files before we wrap up
        input.close();
        output.close();
    }
}