Program that illustrates the Handling of user defined exceptions in Java

 Program that illustrates the Handling of user defined exceptions.

class MyAge extends Exception 

{

  public MyAge(String message) 

  {

    super(message);

  }

}

class Voter 

{

 String name;

 int age;

 public Voter(String name, int age) 

 {

  this.name = name;

  this.age = age;

 }

 public void verifyAge() throws MyAge 

 {

  if (age < 18) 

    throw new MyAge("Sorry, " + name + ". You must be at least 18 years old to vote.");

  else

   System.out.println(name + ", your age is eligible for voting.");

 }

}

class TestExc 

{

 public static void main(String[] args) 

 {

  Voter voter1 = new Voter("Alice", 25);

  Voter voter2 = new Voter("Bob", 15);

  try 

  {

   voter1.verifyAge();

   voter2.verifyAge();

  }

  catch (MyAge e) 

  {

   System.out.println("Exception: " + e.getMessage());

  }

}

}

Output