CustomException.java

package javalab;
import java.util.Scanner;
class AgeException extends Exception
{
     public AgeException(String message) 
     {
          super(message);
     }
}
public class CustomException
{
     public static void validateAge(int age) throws AgeException 
     {
          if (age < 18) 
          {
               throw new AgeException("Age must be at least 18 years old.");
          }
          System.out.println("Age is valid: " + age);
     }
     public static void main(String[] args) 
     {
          Scanner scanner = new Scanner(System.in);
          System.out.println("Eligibility Test for Election Voting");
          System.out.print("Enter your age: ");
          int age = scanner.nextInt();
          try 
          {
               validateAge(age);
          } 
          catch (AgeException e) 
          {
               System.out.println("Error: " + e.getMessage());
          } 
          finally 
          {
               System.out.println("I am finally block ...I am always here …");
               scanner.close();
          }
     }
}