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11.1 Design and implement a program that creates an exception class called Strin

ID: 3853341 • Letter: 1

Question

11.1 Design and implement a program that creates an exception class

called StringTooLongException, designed to be thrown when

a string is discovered that has too many characters in it. In the

main driver of the program, read strings from the user until the

user enters "DONE". If a string is entered that has too many char-

acters (say 20), throw the exception. Allow the thrown exception

to terminate the program.

PP 11.2 Modify the solution to PP 11.1 such that it catches and handles

the exception if it is thrown. Handle the exception by printing an

appropriate message, and then continue processing more strings

NEED ANSWER TO pp11.2 only please show image of output

Explanation / Answer

import java.util.Scanner;


class StringTooLongException extends Exception

{

public StringTooLongException()

{

super("String too long");

}

}


class happy

{

public static void main(String []args) throws StringTooLongException

{

Scanner in=new Scanner(System.in);

String s;

System.out.println("enter a string (DONE to exit):");

s=in.nextLine();

while(!s.equals("DONE"))

{

if(s.length()>20) throw new StringTooLongException();

{

System.out.println("enter a string (DONE to exit):");

s=in.nextLine();

}

}

}
}

output is:

enter a string (DONE to exit):

MUMBAI

enter a string (DONE to exit):

chennai

enter a string (DONE to exit):

kolkata

enter a string (DONE to exit):

delhi

enter a string (DONE to exit):

lilly had a nice day to

Exception in thread "main" StringTooLongException: String too long

at happy.main(happy.java:39)