title: Replace first occurrence of character in Android/Java?
body: <p>I would like to take the 's' out of http.</p>
  
  <pre><code> https://joy.tothewor.ld/today/and/tommorrow
  
   http://joy.tothewor.ld/today/and/tommorrow
  </code></pre>
  
  <p>What's the fastest/less expensive way?</p>
  
  <p>substring, string builder, something newer in Android's SDK?</p>