Examples: removeFromFolder method

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();
      DocumentCollection dc = db.getAllDocuments();
      Document doc = dc.getFirstDocument();
      while (doc != null) {
        String category = doc.getItemValueString("Category");
        if (category != null && category != "" && category.length() > 0) {
          doc.removeFromFolder(category, true); }
        doc.save();
        doc = dc.getNextDocument(doc); }
    } catch(Exception e) {
      e.printStackTrace();
    }
  }
}