code: public String[] getColumnTexts(int columnIndex) {
          int count = getCount();
          if (count > 0) {
              String[] texts = new String[count];
              for (int i = 1; i <= count; i++) {
                  texts[i - 1] = getText(i, columnIndex);
              }
              return texts;
          } else {
              return null;
          }
      }
docs: get all strings as array from specified columnIndex
  
  @param columnIndex columnIndex
  @return all strings as array from specified columnIndex