its in Java!!! Please help me solve this.

public class Clock { /** * Class field definintions go here */ private static final double DEFAULT_TIME_SLICE_IN_SECONDS = 60.0; private static final double INVALID_ARGUMENT_VALUE = -1.0; private static final double MAXIMUM_DEGREE_VALUE = 360.0; private static final double HOUR_HAND_DEGREES_PER_SECOND = 0.00834; private static final double MINUTE_HAND_DEGREES_PER_SECOND = 0.1;

/** * Constructor goes here */ public Clock() {

}

/** * Methods go here * * Method to calculate the next tick from the time increment * @return double-precision value of the current clock tick */ public double tick() { return 0.0; }

/** * Method to validate the angle argument * @param argValue String from the main programs args[0] input * @return double-precision value of the argument * @throws NumberFormatException */ public static double validateAngleArg( String argValue ) throws NumberFormatException { return 0.0; }

/** * Method to validate the optional time slice argument * @param argValue String from the main programs args[1] input * @return double-precision value of the argument or -1.0 if invalid * note: if the main program determines there IS no optional argument supplied, * I have elected to have it substitute the string "60.0" and call this * method anyhow. That makes the main program code more uniform, but * this is a DESIGN DECISION, not a requirement! * note: remember that the time slice, if it is small will cause the simulation * to take a VERY LONG TIME to complete! */ public static double validateTimeSliceArg( String argValue ) { return 0.0; }

/** * Method to calculate and return the current position of the hour hand * @return double-precision value of the hour hand location */ public double getHourHandAngle() { return 0.0; }

/** * Method to calculate and return the current position of the minute hand * @return double-precision value of the minute hand location */ public double getMinuteHandAngle() { return 0.0; }

/** * Method to calculate and return the angle between the hands * @return double-precision value of the angle between the two hands */ public double getHandAngle() { return 0.0; }

/** * Method to fetch the total number of seconds * we can use this to tell when 12 hours have elapsed * @return double-precision value the total seconds private variable */ public double getTotalSeconds() { return 0.0; }

/** * Method to return a String representation of this clock * @return String value of the current clock */ public String toString() { return "Clock string, dangit!"; }

/** * The main program starts here * remember the constraints from the project description * @see http://bjohnson.lmu.build/cmsi186web/homework04.html * be sure to make LOTS of tests!! * remember you are trying to BREAK your code, not just prove it works! */ public static void main( String args[] ) {

System.out.println( " CLOCK CLASS TESTER PROGRAM " + "-------------------------- " ); System.out.println( " Creating a new clock: " ); ClockEmpty clock = new ClockEmpty(); System.out.println( " New clock created: " + clock.toString() ); System.out.println( " Testing validateAngleArg()...."); System.out.print( " sending ' 0 degrees', expecting double value 0.0" ); try { System.out.println( (0.0 == clock.validateAngleArg( "0.0" )) ? " - got 0.0" : " - no joy" ); } catch( Exception e ) { System.out.println ( " - Exception thrown: " + e.toString() ); } } }