82 What is checked or Compile Time Exceptions in Java?

Code for InvalidAgeException:

package com.ca;

public class InvalidAgeException  extends Exception
{
public InvalidAgeException()
{

}

public InvalidAgeException(String message )
{
super(message);
}


public void checkAge( int age ) throws InvalidAgeException
{
try
{
if(age >= 18)
{
System.out.println("You are eligible for votting \n" + "Please fil the remaining details" );

}
else
{
  throw new InvalidAgeException(" Invalid Age ");

}
}
catch(InvalidAgeException e )
{
throw e; // re-throwing exception
}

}
}

Code for VoterAppn using throws :

package com.gov.tel;

import java.util.Scanner;
import com.ca.InvalidAgeException;

public class VoterAppn {
public static void main(String[] args) throws InvalidAgeException
{
Scanner scan = new Scanner( System.in );

System.out.println(" Enter your age: ");
int age = scan.nextInt();

InvalidAgeException iae = new InvalidAgeException();

iae.checkAge(age);
}

}

Output:

Code for VoterAppn without using throws :

package com.gov.tel;

import java.util.Scanner;
import com.ca.InvalidAgeException;

public class VoterAppn {
public static void main(String[] args)
{
Scanner scan = new Scanner( System.in );

System.out.println(" Enter your age: ");
int age = scan.nextInt();

InvalidAgeException iae = new InvalidAgeException();

try
{
iae.checkAge(age);

}
catch(InvalidAgeException e )
{
System.out.println(" Your age is not sufficient for voting");
}
}
}

Output:

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