Question

Write a driver to get a String input from keyboard and if the input string has less than 10 characters, throw a StringTooShortException.

public class StringTooShortException extends Exception
{
    //-----------------------------------------------------------------
    // Sets up the exception object with a particular message.
    //-----------------------------------------------------------------
    public StringTooShortException()
    {
        super("String does not have enough characters");
    }
}

Answer 1

import java.util.Scanner;

class StringTooShortExceptionTest {

    public static void main(String[] args) throws StringTooShortException {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter a string: ");
        String s = in.nextLine();
        if (s.length() < 10)
            throw new StringTooShortException();
    }
}

public class StringTooShortException extends Exception {
    //-----------------------------------------------------------------
    // Sets up the exception object with a particular message.
    //-----------------------------------------------------------------
    public StringTooShortException() {
        super("String does not have enough characters");
    }
}