Write a method fixItUp that takes a string as input and returns a string with the characters put the way that they ought to have been. See the fixItUp method in the StringWorker class in the bookClassesFinal directory.

Question

You worked late into the night on an assignment and didn’t realize that you wrote a huge section of your term paper with your fingers on the wrong home keys!
Where you mean to type: “This is an unruly mob.” You actually typed: “Ty8s 8s ah 7hr7o6 j9b.”
Basically you swapped: 7 for U, 8 for I, 9 for O, 0 for P, U for J, I for K, O for L, H for N, and J for M. (Those were the only keystrokes that you got wrong-you caught yourself before you got much further.) You also never touched the shift key, so it’s all lowercase letters that you care about.
Knowing Java as you do, you decide to write a quick program to fix your text.

Answer 1

```
/? ?
? Method t o f i x up bad t y p i n g on a s t r i n g
?/
public s t a t i c S t r i n g f i x I t U p ( S t r i n g badInput )
{
char [ ] charArray = new char [ badInput . l e n g t h ( ) ] ;
char currChar ;
// l o o p t h r o u g h t h e c h a r a c t e r s i n t h e s t r i n g
f o r ( i n t i = 0 ; i < badInput . l e n g t h ( ) ; i ++)
{
currChar = badInput . charAt ( i ) ;
i f ( currChar == ’ 7 ’ )
charArray [ i ] = ’ u ’ ;
e l s e i f ( currChar == ’ 8 ’ )
charArray [ i ] = ’ i ’ ;
e l s e i f ( currChar == ’ 9 ’ )
charArray [ i ] = ’ o ’ ;
e l s e i f ( currChar == ’ 0 ’ )
charArray [ i ] = ’ p ’ ;
e l s e i f ( currChar == ’ u ’ )
charArray [ i ] = ’ j ’ ;
e l s e i f ( currChar == ’ i ’ )
charArray [ i ] = ’ k ’ ;
e l s e i f ( currChar == ’ o ’ )
charArray [ i ] = ’ l ’ ;
e l s e i f ( currChar == ’ h ’ )
charArray [ i ] = ’ n ’ ;
e l s e i f ( currChar == ’ j ’ )
charArray [ i ] = ’m’ ;
e l s e i f ( currChar == ’ y ’ )
charArray [ i ] = ’ h ’ ;
e l s e i f ( currChar == ’ 6 ’ )
charArray [ i ] = ’ y ’ ;
else
charArray [ i ] = currChar ;
}
return new S t r i n g ( charArray ) ;
}

```