Switch demo 2

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); }}

Java switch demo

class SwitchDemo {

public static void main(String[] args) {

int month = 8;

switch (month) {

case 1: System.out.println("January"); break;
case 2: System.out.println("February"); break;
case 3: System.out.println("March"); break;
case 4: System.out.println("April"); break;
case 5: System.out.println("May"); break;
case 6: System.out.println("June"); break;
case 7: System.out.println("July"); break;
case 8: System.out.println("August"); break;
case 9: System.out.println("September"); break;
case 10: System.out.println("October"); break;
case 11: System.out.println("November"); break;
case 12: System.out.println("December"); break;
default: System.out.println("Invalid month.");break;
}
}
}