20 lines
582 B
Java
20 lines
582 B
Java
// validating/Inverter2.java
|
|
// (c)2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
package validating;
|
|
import static java.lang.Character.*;
|
|
|
|
public class Inverter2 implements StringInverter {
|
|
public String invert(String str) {
|
|
String result = "";
|
|
for(int i = 0; i < str.length(); i++) {
|
|
char c = str.charAt(i);
|
|
result += isUpperCase(c) ?
|
|
toLowerCase(c) :
|
|
toUpperCase(c);
|
|
}
|
|
return result;
|
|
}
|
|
}
|