Examples: getFirst and getNext methods

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();
      View view = db.getView("By Category");
      view.setAutoUpdate(false);
      ViewNavigator nav = view.createViewNav();
      int n = 0;
      String t = null;
      ViewEntry tmpentry;
      ViewEntry entry = nav.getFirst();
      while (entry != null) {
        n++;
        if (entry.isCategory()) t = "category";
        else if (entry.isDocument()) t = "document";
        else if (entry.isTotal()) t = "total";
        System.out.println("Entry #" + n + " is a " + t);
        tmpentry = nav.getNext();
        entry.recycle();
        entry = tmpentry;
      }
    } catch(Exception e) {
      e.printStackTrace();
    }
  }
}

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();
      View view = db.getView("By Category");
      view.setAutoUpdate(false);
      ViewNavigator nav = view.createViewNav();
      ViewEntry entry = nav.getNext(nav.getFirst());
      if (entry != null) {
        String t = null;
        if (entry.isCategory()) t = "category";
        else if (entry.isDocument()) t = "document";
        else if (entry.isTotal()) t = "total";
        System.out.println("Entry # 2 is a " + t); }
    } catch(Exception e) {
      e.printStackTrace();
    }
  }
}