<awangdev>Reverse String_1.java
public void reverseString(char[] s) {
        if (s == null || s.length <= 1) {
            return;
        }
        
        int n = s.length;
        for (int i = 0; i < n / 2; i++) {
            char temp = s[i];
            s[i] = s[n - i - 1];
            s[n - i - 1] = temp;
        }
    }
public void var_0 ( char [ ] var_1 ) {
  if ( var_1 == null || var_1 . length <= 1 ) {
    return ;
  }
  int var_5 = var_1 . length ;
  for ( int var_7 = 0 ;
  var_7 < var_5 / 2 ;
  var_7 ++ ) {
    char var_9 = var_1 [ var_7 ] ;
    var_1 [ var_7 ] = var_1 [ var_5 - var_7 - 1 ] ;
    var_1 [ var_5 - var_7 - 1 ] = var_9 ;
  }
}
