Exception Handling

1public class ExceptionDemo {
2    public static void main(String[] args) {
3        try {
4            int[] arr = {1, 2, 3};
5            System.out.println(arr[5]); // IndexOutOfBoundsException
6        } catch (ArrayIndexOutOfBoundsException e) {
7            System.out.println("Error: Index out of bounds!");
8        } finally {
9            System.out.println("Cleanup complete.");
10        }
11 
12        // Multiple catch blocks
13        try {
14            String str = null;
15            System.out.println(str.length());
16        } catch (NullPointerException e) {
17            System.out.println("Error: null reference!");
18        }
19    }
20}