private static void log(final Object pattern, final Object... args) {
		final LocalDateTime now = LocalDateTime.now();
		final String tss = now.toLocalDate().toString() + ' ' +
			now.toLocalTime();

		final String p = format("%s - ", tss) + pattern;
		System.out.println(format(p, args));
	}
Command line version of the Evolving images example.
jenetics.example/src/main/java/io/jenetics/example/image/EvolvingImagesCmd.java