timeutil.java

JAVA在编译原理上的应用。

package lolo.test;

import java.io.PrintStream;

/** Used by all <tt>TypicalCompilerScannerBy...</tt> scanners to print a time in a human readable form.
 *
 * @author <a href="http://www.inf.uos.de/bernd" target="_blank">Bernd K&uuml;hl</a>
           (<a href="mailto:[e-mail]">[e-mail]</a>)
 */
public class TimeUtil {
    /** Used by all <tt>TypicalCompilerScannerBy...</tt> scanners to print a time in a human readable form.
     *
     * @param message a messahe which is printed before the time is printed.
     * @param ms the time to print.
     * @param out all the ouput is written to this stream.
     */
    public static void printMilliSecons(String message, long ms, PrintStream out) {
        out.print(message+ms+"/");
        long hours = ms / 3600000; // 1000 * 60 * 60 is a hour
        ms %= 3600000;
        long minutes = ms / 60000; // 1000 * 60 is a minute
        ms %= 60000;
        long seconds = ms / 1000;  // 1000 is a second
        ms %= 1000;
        out.println(hours+":"+minutes+":"+seconds+"."+ms);
    }
}