Write Java program which accepts string from user, if its length is less than five, then throw user defined exception “Invalid String” otherwise display string in uppercase.

import java.util.Scanner;

class InvalidStringException extends Exception

{

    InvalidStringException(String msg)

    {

        super(msg);

    }

}

class StringCheck

{

    public static void main(String args[])

    {

        Scanner sc = new Scanner(System.in);

        try

        {

            System.out.print("Enter a string: ");

            String str = sc.nextLine();

            if(str.length() < 5)

            {

                throw new InvalidStringException("Invalid String");

            }

            System.out.println("Uppercase String: " + str.toUpperCase());

        }

        catch(Exception e)

        {

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

        }

        sc.close();

    }

}