?? charfiltertest.java
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/* * Java Network Programming, Second Edition * Merlin Hughes, Michael Shoffner, Derek Hamner * Manning Publications Company; ISBN 188477749X * * http://nitric.com/jnp/ * * Copyright (c) 1997-1999 Merlin Hughes, Michael Shoffner, Derek Hamner; * all rights reserved; see license.txt for details. */import java.io.*;
public class CharFilterTest {
public static void main (String[] args) throws IOException {
FileReader fileReader = new FileReader (FileDescriptor.in);
FileWriter fileWriter = new FileWriter (FileDescriptor.out);
LineNumberReader lineNumberReader = new LineNumberReader (fileReader);
BufferedWriter bufferedWriter = new BufferedWriter (fileWriter, 256);
String line;
while ((line = lineNumberReader.readLine ()) != null) {
String response = lineNumberReader.getLineNumber () + " : " +
line.toUpperCase ();
bufferedWriter.write (response);
bufferedWriter.newLine ();
}
bufferedWriter.flush ();
}
}
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