代碼:
import java.util.Calendar;
import java.util.Date;
public class Test {
public static void main(String[] args) {
Calendar c = Calendar.getInstance();
c.set(2013,6,2);
Date a = c.getTime();
c.set(2017,5,31);
Date b = c.getTime();
System.out.println(a.compareTo(b));//輸出-1
//假如a>b 那麼輸出 1 ,a<b 輸出 -1 , a = b 輸出 0
}
}