<ul>
<li>Java streams</li>
<li>Streams, Readers, and Writers</li>
<li>Catching and throwing exceptions</li>
<li>Formatting text output</li>
<li>Files and directories</li>
<li>Reading and writing files</li>
<li>Creating, deleting, and renaming files</li>
<li>Obtaining directory and file information</li>
</ul>