22)no of days in
a month in specific year
package Set2;
import
java.util.*;
public class
ClassSET22 {
public static
void main(String[] args){
      Calendar ca=new
GregorianCalendar(2013,Calendar.FEBRUARY,03);
      System.out.println(noOfDaysInaMonth(ca));
}
public static int
noOfDaysInaMonth(Calendar ca){
      int
n=ca.getActualMaximum(Calendar.DAY_OF_MONTH);
      return
n;
}
}