Write a JAVA program for creation of user defined exception.

Write a JAVA program for creation of user defined exception.

import java.util.Scanner;
class InvalidAgeException extends Exception
{
  InvalidAgeException(String s)
  {
    super(s);
  }
}
class TestCustomException
{
 
   static void validate(int age)throws InvalidAgeException
   {
     if(age<18)
      throw new InvalidAgeException("You Are not eligible to vote");
     else
      System.out.println("You are Eligible, welcome to vote");
   }
   
   public static void main(String args[])
   {
      Scanner sc=new Scanner(System.in);
      System.out.println("Enter Age");
      int a=sc.nextInt();
      try
      {
       
      validate(a);
      }
      catch(Exception m)
      {
        System.out.println(" Exception occured: "+m);
      }
 
  }
}