Exception handling user define in java

         user define Exception handling

import java.lang.Exception;

 import java.lang.*;

import java.lang.Exception; 

import java.io.DataInputStream;

class MyException extends Exception

{

MyException(String message)

{

super(message);

}

}

class userdef

{

public static void main(String a[])

{

int age;

DataInputStream ds=new DataInputStream(System.in); 

try

{

System.out.println("Enter the age (above 15 abd below 25) :"); age=Integer.parseInt(ds.readLine());

if(age<15 || age> 25)

{

throw new MyException("Number not in range");

}

System.out.println(" the number is :" +age);

}

catch(MyException e)

{

System.out.println("Caught MyException"); System.out.println(e.getMessage());

}

catch(Exception e){ System.out.println(e); }

}

}