import java.io.IOException;
import java.io.PrintWriter;

public class MultiWriterTest {
    public final static void main( String argv[] ) throws IOException {
        PrintWriter p;
        p = new PrintWriter(
                new MultiWriter().addDest(System.out).addFileDest("d:\\log.txt").addFileDest("d:\\log2.txt")
        );
        p.printf("Hello %s", "world");
        p.close();
        return;
    }
};

import java.io.*;
import java.util.ArrayList;

public class MultiWriter extends Writer {
    ArrayList<Writer> writers;
    public MultiWriter() {
        writers = new ArrayList();
    }

    public MultiWriter addDest( Writer w ) {
        this.writers.add( w );
        return this;
    }

    public MultiWriter addDest( OutputStream s ) {
        return this.addDest( new OutputStreamWriter( s ) );
    }

    public MultiWriter addFileDest( String fname ) throws IOException {
        return this.addDest( new FileWriter( fname ) );
    }

    @Override
    public void write(char[] chars, int i, int i1) throws IOException {
        for ( Writer w : writers ) {
            w.write( chars, i, i1 );
        }
    }

    @Override
    public void flush() throws IOException {
        for ( Writer w : writers ) {
            w.flush();
        }
    }

    @Override
    public void close() throws IOException {
        for ( Writer w : writers ) {
            w.close();
        }

    }
}