import java.io.*;

public class Tester {

	public static void main(String args[]) throws Exception {
		if (args.length != 1) {
			System.err.println("Usage: java Tester <iml>");
			System.exit(1);
		}

		Class c = Class.forName(args[0]);
		Test t = (Test)c.newInstance();
		for (int i=0; i<5; i++) {
			t.test();
		}
		t.close();
	}
}

abstract class Test {

	protected OutputStream pg_output;

	Test() throws IOException {
 		pg_output = new BufferedOutputStream(new FileOutputStream("/dev/null"), 8192);
	}

	void close() throws IOException {
		pg_output.close();
	}

	void test() throws IOException {
		long start = System.currentTimeMillis();
		for (int i=0; i<100000000; i++) {
			SendInteger4(i);
		}
		long stop = System.currentTimeMillis();
		System.out.println(stop - start);
	}

	protected abstract void SendInteger4(int val) throws IOException;
}


class Orig extends Test {

	Orig() throws IOException { }

	private void SendChar(int val) throws IOException
	{
		pg_output.write((byte)val);
	}

	protected void SendInteger4(int val) throws IOException
	{
		SendChar((val >> 24)&255);
		SendChar((val >> 16)&255);
		SendChar((val >> 8)&255);
		SendChar(val&255);
	}
}

class Two extends Test {

	Two() throws IOException { }

	protected void SendInteger4(int val) throws IOException
	{
		pg_output.write(val >> 24);
		pg_output.write(val >> 16);
		pg_output.write(val >> 8);
		pg_output.write(val);
	}
}

class Three extends Test {

	private byte[] intbuf;

	Three() throws IOException {
		intbuf = new byte[4];
	}

	protected void SendInteger4(int val) throws IOException
	{
		intbuf[0] = (byte)((val >> 24) & 255);
		intbuf[1] = (byte)((val >> 16) & 255);
		intbuf[2] = (byte)((val >> 8) & 255);
		intbuf[3] = (byte)((val) & 255);
		pg_output.write(intbuf);
	}
}