关于java：声明一个startdate＆amp;

declaring a startdate & endate using joda time?

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我已经导入了joda libary，并且可以导入Easy Reader类。但是，我需要正确的格式设置帮助，这样我可以计算介于和之间的天数，是的，我对mm/dd/yyyy是水化的，但是我使用了整数。我还需要进口其他东西吗？我在佐达是个新手，所以请耐心点，谢谢。一切似乎都很顺利，但我找不到正确的语法来帮助我找出两个日期之间的区别，我也找不到。

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import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.LocalDate;
class starter{
public static void BdayPrgm(String args[]){

System.out.println("Please Enter Today's Month:");
EasyReader month = new EasyReader();
//this will indentify it as an INT, not a string.
//quest is a question btw.
todaysmon = month.readInt();

System.out.println("What number is today?:");
EasyReader currentday = new EasyReader();
todayday = currentday.readInt();

System.out.println("What is today's year?:");
EasyReader todayyear = new EasyReader();
year = todayyear.readInt();

System.out.println("");

System.out.println("What is your BdayMonth?:");
EasyReader thatyear = new EasyReader();
bdaymon = thatyear.readInt();

System.out.println("What is your Bday #?:");
EasyReader thatday = new EasyReader();
thatgr8day = thatday.readInt();

System.out.println("What is the bdayyear?:");
EasyReader bdayyear = new EasyReader();
bdayyr = bdayyear.readInt();

int age;
age = year - bdayyr;

//we can get start date by putting test maybe?
DateTimeZone LA = DateTimeZone.forID("America/Los_Angeles");
LocalDate start = new LocalDate(year,todaysmon,todayday);
LocalDate end = new LocalDate(year,bdaymon,thatgr8day);

int Days;
//code isn't compileing below. I don't know what I'm doing wrong.
Days.daysBetween(new LocalDate(start),new LocalDate(end)).getDays();

//int days = d.getdays;

System.out.println("");

System.out.println(CELEB1+" is going to be"+age+" years old in X days!");

}