/**
  * Copyright (c): Uwe Schmidt, FH Wedel
  *
  * You may study, modify and distribute this source code
  * FOR NON-COMMERCIAL PURPOSES ONLY.
  * This copyright message has to remain unchanged.
  *
  * Note that this document is provided 'as is',
  * WITHOUT WARRANTY of any kind either expressed or implied.
  */

package tests.util;

public abstract class Main implements Runnable {
    protected long start;

    protected Main() {
	start = System.currentTimeMillis();
    }

    protected void startTime(String msg) {
	msg(msg);
	start = System.currentTimeMillis();
    }

    protected void stopTime() {
	long dur = System.currentTimeMillis() - start;
	msg("time used: " + dur + " msec\n");
    }

    protected void msg(String s) {
	System.out.println(s);
    }

    protected void nl() {
	msg("");
    }
}