hoursandminutes.java

Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套 代码

public class HoursAndMinutes extends MilitaryTime {	
	/** postcondition
	 		hour == 1  AND  minute == 0 */
	public  HoursAndMinutes()   {
		super();
	} 

	/** this method is overriden to do nothing.  */
	public  void  advance1Second()   {
	}
}