docs/api/java.base/java/io/InputStream.html" title="class or interface in java.io" class="external-link">InputStream</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/InputStream.html#mark(int)" title="class or interface in java.io" class="external-link">mark</a>, <a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/InputStream.html#markSupported()" title="class or interface in java.io" class="external-link">markSupported</a>, <a href="http