Java编程语言中创建和使用日期的详细介绍

 importjava.util.*;

importjava.text.*;

publicclassMortgage{

publicstaticvoidmain(String[]args){

GregorianCalendarmortgage=newGregorianCalendar(1997,Calendar.MAY,18);

mortgage.add(Calendar.YEAR,15);

Dated=mortgage.getTime();

DateFormatdf=DateFormat.getDateInstance();

Strings=df.format(d);

System.out.println("15yearmortgageamortizedon"+s);}

}

 importjava.util.*;

importjava.text.*;

publicclassThreeDates{

publicstaticvoidmain(String[]args){

GregorianCalendargc1=newGregorianCalendar(2000,Calendar.JANUARY,1);

GregorianCalendargc2=gc1;

GregorianCalendargc3=newGregorianCalendar(2000,Calendar.JANUARY,1);

//ThreedatesallequaltoJanuary1,2000

gc1.add(Calendar.YEAR,1);

file://gc1andgc2arechanged

DateFormatdf=DateFormat.getDateInstance();

Dated1=gc1.getTime();

Dated2=gc2.getTime();

Dated3=gc3.getTime();

Strings1=df.format(d1);

Strings2=df.format(d2);

Strings3=df.format(d3);

System.out.println("gc1is"+s1);

System.out.println("gc2is"+s2);

System.out.println("gc3is"+s3);

}

}