This is "Agent to be run Java."

import lotus.domino.*;

public class JavaAgent extends AgentBase {

   public void NotesMain() {

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

      // (Your code goes here)
      Database db = agentContext.getCurrentDatabase();
      Document memo = db.createDocument();
      memo.appendItemValue("Form", "Memo");
      memo.appendItemValue("Subject",
          "Message from Java agent");
      memo.appendItemValue("Body",
          "The agent is running as " +
           session.getUserName());
      memo.send(session.getUserName());

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

This is "Agent to be run parameter Java." It accesses the passed NoteID through getParameterDocID, accesses the referenced document, and removes it.

import lotus.domino.*;

public class JavaAgent extends AgentBase {

   public void NotesMain() {

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

      // (Your code goes here)
      Database db = agentContext.getCurrentDatabase();
      Agent agent = agentContext.getCurrentAgent();
      // Get document used for passing data
      Document doc =
         db.getDocumentByID(agent.getParameterDocID());
      // Send mail containing passed data
      Document memo = db.createDocument();
      memo.appendItemValue("Form", "Memo");
      memo.appendItemValue("Subject",
           "Message from Java agent");
      memo.appendItemValue("Body",
           "The agent was started by " +
           doc.getItemValueString("TriggerUserName"));
      memo.send(session.getUserName());

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