String hostname = "10.10.1.2";
String username = "myuser";
String password = "mypass";

String remoteFile = "/path/to/my/file.txt";
String localDir = "/path/to/my/destination";

Connection conn = new Connection(hostname);
conn.connect();
conn.authenticateWithPassword(username, password);
SCPClient scp = conn.createSCPClient();
scp.put(remoteFile, 2815, localDir, "0644");

// And here's where I'm confused.

conn.close();