Calendar - Year, Month and Day

Calendar calendar = new GregorianCalendar();
Calendar expCalendar = new GregorianCalendar(Calendar.YEAR, Calendar.DECEMBER, 31);
abcTO.setExpirationDate(expCalendar.getTime());

To add 3 years to the current year and set to last day of 3rd successive calender year.

Calendar expCalendar = new GregorianCalendar(calendar.get(Calendar.YEAR)+3, Calendar.DECEMBER, 31);

util.Date to sql.Date

class A1{
public static void main(String[] args) {
java.util.Date utilDate = new java.util.Date();
System.out.println("Hello World!" + utilDate);
java.sql.Date sqlDate = new java.sql.Date(utilDate.getTime());
new A2().dateTest(sqlDate);
}
}

class A2 {
public static void main(String[] args) { }
public void dateTest(java.sql.Date date) {
System.out.println("Class A2 SQL Date : " + date);
}
}