<awangdev>Sort Letters by Case_3.java
private void swap(char[] chars, int x, int y) {

        char temp = chars[x];
        chars[x] = chars[y];
        chars[y] = temp;
    }
private void var_0 ( char [ ] var_1 , int var_2 , int var_3 ) {
  char var_4 = var_1 [ var_2 ] ;
  var_1 [ var_2 ] = var_1 [ var_3 ] ;
  var_1 [ var_3 ] = var_4 ;
}
