import java.io.*;
import java.util.zip.*;
import java.util.zip.Deflater;
import java.util.zip.DeflaterOutputStream;
import java.io.FileOutputStream;
import java.io.FileInputStream;

public class DeflOutStream {
	public static void main(String[] args) {
		String compressfile = "newfile.txt";
		try {
			FileInputStream finStream = new FileInputStream("testfile.txt");
			FileOutputStream foutStream = new FileOutputStream(compressfile);
			Deflater dfl = new Deflater();
			dfl.setLevel(4);
			DeflaterOutputStream dflOutStream = new DeflaterOutputStream(
					foutStream, dfl);
			for (int d = finStream.read(); d != -1; d = finStream.read()) {
				dflOutStream.write(d);
			}
			System.out
			.println("Fill data SuccessFully Compressed at Level : 4");
			dflOutStream.finish();
			dflOutStream.close();
			finStream.close();
		} catch (IOException ioex) {
			System.err.println("IOException is :" + ioex);
		}

	}
}