Notes/Domino 6 and 7 Forum : Java 101 help

Hello, it's been so long (had encephalitis in the mean time...) since I did anything in Java that I forgot most of what I learned.

I found this code in this forum and copied it into an agent, below the agent code. Can someone please help me understand how to call this function?

Here's the code:

import lotus.domino.*;

public class JavaAgent extends AgentBase {

public void NotesMain() {

try {
Session session = getSession();
AgentContext agentContext = session.getAgentContext();

// (Your code goes here)

} catch(Exception e) {
e.printStackTrace();
}
}
}

public class clnSendHTMLmail extends AgentBase {

public void NotesMain() {
try {
Session session = getSession();
AgentContext agentContext = session.getAgentContext();

// (Your code goes here)
Stream stream = session.createStream();
session.setConvertMIME(false); // Do not convert MIME to RT

Database db = agentContext.getCurrentDatabase();
Document doc = db.createDocument();
doc.replaceItemValue("Form", "Memo");
MIMEEntity body = doc.createMIMEEntity();
MIMEHeader header = body.createHeader("Subject");
header.setHeaderVal("MIME message");

header = body.createHeader("To");
boolean status = header.setHeaderVal("your_email@your_domain.com");

stream.writeText("<h1>My headline</h1><p>This is some text</p><font color=FF0000>This line is red</font><p><a href=\"http://www.google.com\">Go to Google</a>");
// body.setContentFromText(stream, "text/plain;charset=UTF-8", MIMEEntity.ENC_NONE);
body.setContentFromText(stream, "text/html;charset=UTF-8", MIMEEntity.ENC_NONE);

Vector v = new Vector();
v.addElement(session.getUserName());
v.addElement("ts@interactive.as");
v.addElement("sales@dom.com");
if(status)
doc.save(false);
else
System.out.println("ERROR: setHeaderVal() = false)");
doc.send(false,v);
doc.remove(true);

// Always set to true if set to false at the begining
session.setConvertMIME(true); // Restore conversion

} catch(Exception e) {
e.printStackTrace();
}
}
}