class SwitchDemo2 {
public static void main(String[] args) {
int month = 2;
int year = 2000;
int numDays = 0;
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12: numDays = 31; break;
case 4:
case 6:
case 9:
case 11: numDays = 30; break;
case 2: if ( ((year % 4 == 0) && !(year % 100 == 0))
(year % 400 == 0) ) numDays = 29;
else numDays = 28; break;
default: System.out.println("Invalid month."); break;
}
System.out.println("Number of Days = " + numDays); }}
