import java.util.*;
import java.util.zip.*;
import java.lang.*;

class Main
{
	public static void test1 () throws Exception {
	     byte[] output = new byte[20];
	     Deflater compresser = new Deflater();
	     compresser.setLevel(Deflater.BEST_COMPRESSION);
	     compresser.setInput("blah".getBytes("UTF-8"));
	     compresser.finish();
	     int len = compresser.deflate(output);
	     System.out.println("len="+ len+ " " +Arrays.toString(output));
	}
	public static void test2 () throws Exception {
	     byte[] output = new byte[20];
	     Deflater compresser = new Deflater(Deflater.BEST_COMPRESSION);
	     compresser.setLevel(Deflater.BEST_COMPRESSION);
	     compresser.setInput("blah".getBytes("UTF-8"));
	     compresser.finish();
	     int len = compresser.deflate(output);
	     System.out.println("len="+ len+ " " +Arrays.toString(output));
	}
	public static void main (String[] args) throws java.lang.Exception
	{
		test1();
		test2();
	}
}