Creating a Log file

import java.io.*;
import java.text.*;
import java.util.*;

public class MsgLog {
protected static String defaultLogFile = "c:\\msglog.txt";

public static void write(String s) throws IOException {
write(defaultLogFile, s);
}

public static void write(String f, String s) throws IOException {
TimeZone tz = TimeZone.getTimeZone("EST"); // or PST, MID, etc ...
Date now = new Date();
DateFormat df = new SimpleDateFormat ("yyyy.mm.dd hh:mm:ss ");
df.setTimeZone(tz);
String currentTime = df.format(now);

FileWriter aWriter = new FileWriter(f, true);
aWriter.write(currentTime + " " + s + "\n");
aWriter.flush();
aWriter.close();
}
}