Java - File Handling for Character File
<p>I have a file with characters like thi: <code>ABCD...HHCCCCHH..BC</code></p>

<p>Now, I want to remove characters between two <code>H</code> if gap between two <code>H</code> is less than 20 characters. And write the output in a new file. So, the new file will look like this:</p>

<p><code>ABCD...HH..BC</code></p>

<p>Can this be done in a fast way ?</p>
