Answer:
public class TextConverterDemo
{
//Method definition of action1337
public static String action1337(String current)
{
//Replace each L or l with a 1 (numeral one)
current = current.replace('L', '1');
current = current.replace('l', '1');
//Replace each E or e with a 3 (numeral three)
current = current.replace('E', '3');
current = current.replace('e', '3');
//Replace each T or t with a 7 (numeral seven)
current = current.replace('T', '7');
current = current.replace('t', '7');
//Replace each O or o with a 0 (numeral zero)
current = current.replace('O', '0');
current = current.replace('o', '0');
//Replace each S or s with a $ (dollar sign)
current = current.replace('S', '$');
current = current.replace('s', '$');
return current;
}
//Method definition of actionReverse
//This method is used to reverses the order of
//characters in the current string
public static String actionReverse(String current)
{
//Create a StringBuilder's object
StringBuilder originalStr = new StringBuilder();
//Append the original string to the StribgBuilder's object
originalStr.append(current);
//Use reverse method to reverse the original string
originalStr = originalStr.reverse();
//return the string in reversed order
return originalStr.toString();
}
//Method definition of main
public static void main(String[] args)
{
//Declare variables
String input, action;
//Prompt the input message
System.out.println("Welcome to the Text Converter.");
System.out.println("Available Actions:");
System.out.println("\t1337) convert to 1337-speak");
System.out.println("\trev) reverse the string");
System.out.print("Please enter a string: ");
//Create a Scanner class's object
Scanner scn = new Scanner(System.in);
//Read input from the user
input = scn.nextLine();
do
{
/*Based on the action the user chooses, call the appropriate
* action method. If an unrecognized action is entered then
* the message "Unrecognized action." should be shown on a
* line by itself and then the user is prompted again just
* as they were when an action was performed.
* */
System.out.print("Action (1337, rev, quit): ");
action = scn.nextLine();
if (action.equals("1337"))
{
input = action1337(input);
System.out.println(input);
} else if (action.equals("rev"))
{
input = actionReverse(input);
System.out.println(input);
} else if (!action.equals("quit"))
{
System.out.println("Unrecognized action.");
}
} while (!action.equals("quit"));
System.out.println("See you next time!");
scn.close();
}
}
