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private boolean hasUpperCase( String str )
  {
    int strLen;
    if ( str == null || ( strLen = str.length()) == 0 )
      return false;
    
    for ( int i = 0; i < strLen; i++ )
    {
      if (Character.isUpperCase( str.charAt( i ) ))
        return true;
    }
    return false;
  }