You've seen code to mirror pictures in and you've seen code to mirror sounds . It should be pretty easy to use the mirrored string with the front mirrored to the back.

Question

What will be an ideal response?

Answer 1

```
/**
* Clas s t h a t has methods t h a t ope rat e on a s t r i n g
* @author Barb Er icson er icson@cc . gat e ch . edu
* Copyr ight 2006
*/
public clas s StringWorker
{
// ////////// f i e l d s /////////////////////
/** s t r i n g to work on */
private St r ing aSt r ing ;
// //////////// c o n s t r u c t o r s /////////////
/**
* Cons t ruc tor t h a t t ak e the s t r i n g to work wi th
* @param t h e S t r i n g the s t r i n g to work wi th
*/
public StringWorker ( St r ing theSt r ing )
{
this . aSt r ing = theSt r ing ;
}
// ////////////// methods //////////////////
/**
* Method to mirror f r o n t of the s t r i n g to the
* back
* @return the new s t r i n g t h a t i s mirrored
*/
public St r ing mi r ror ( )
{
char [ ] charArray = this . aSt r ing . toCharArray ( ) ;
int mi r rorPoint = charArray . l eng th ;
int l a s t I n d e x = charArray . l eng th ¡ 1 ;
char theChar = charArray [ 0 ] ;
// loop up to mirror p o int
for ( int i = 0 ; i < mi r rorPoint ; i++)
{
theChar = charArray [ i ] ;
charArray [ l a s t I n d e x ¡ i ] = theChar ;
}
return new St r ing ( charArray ) ;
}
/**
* Main method f o r t e s t i n g
*/
public s tat ic void main ( St r ing [ ] args )
{
// t r y a s t r i n g wi th an even number of c h a r a c t e r s
StringWorker worker = new StringWorker ( "This i s a t e s t " ) ;
St r ing mString = worker . mi r ror ( ) ;
System . out . p r i n t l n (mString ) ;
// t r y one wi th an odd number
worker = new StringWorker ( "Try an odd number o f c h a r a c t e r s " ) ;
mString = worker . mi r ror ( ) ;
System . out . p r i n t l n (mString ) ;
}
}
```