Homework 3-27-2006 Lab Class Definitions

package 9325116;
public class DateFirstTry
{
public String month;
public int day;
public int year;
public void writeOutput()
{
System.out.println(month + " " + day + " " + year);
}
public void makeItNewYears()
{
month = "January";
day = 1;
}
}
******************************************************
package 9325116;
public class DateFirstTryDemo
{
public static void main(String[] args)
{
DateFirstTry date1,date2;
date1 = new DateFirstTry();
date2 = new DateFirstTry();

date1.month = "December";
date1.day = 31;
date1.year = 2007;
System.out.println("date1:");
date1.writeOutput();
date1.makeItNewYears();
System.out.println("NewYear of date1 is:");
date1.writeOutput();

date2.month = "July";
date2.day = 4;
date2.year = 1776;
System.out.println("date2:");
date2.writeOutput();
date2.makeItNewYears();
System.out.println("NewYears of date2 is:");
date2.writeOutput();
}
}

執行結果

date1:
December 31,2007
New year:
January 1,2007
date2:
July 4,1776
New year:
January 1,1776