Chapter 11.3, Problem 15SC

Explanation of Solution

Modified program:

//check the "option" is equal to "k"

else if(option == 'k')

{

    //get the substring and store it "key"

    key = Integer.parseInt (args[i].substring(2));

}

Explanation:

• The above code snippet is added to the “section_3/CaesarCipher.java” after the 27^th line...