Java equivalent of PHP/CURL's curl_setopt($curl, CURLOPT_SSLCERT, '/path/to/file.pem');

Question

In PHP, I use CURL to send a .PEM formatted certificate to a remote host. For example:

curl_setopt($curl, CURLOPT_SSLCERT, '/path/to/file.pem');

How can I do this in Java?