usando handsontable

src/main/java/asistencia/servlets/NewClass.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package asistencia.servlets;
+
+import java.util.HashMap;
+import java.util.List;
+import static java.util.stream.Collectors.toList;
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+
+public class NewClass {
+    public static void main(String[] args) {
+        JSONArray arr = new JSONArray();
+        JSONObject obj = new JSONObject();
+        obj.put("nombre", "billy");
+        obj.put("apellido", "larru");
+        arr.put(obj);
+        
+        JSONObject obj2 = new JSONObject();
+        obj2.put("nombre", "felipe");
+        obj2.put("apellido", "escala");
+        arr.put(obj2);
+        
+        JSONObject obj3 = new JSONObject();
+        obj3.put("nombre", "");
+        obj3.put("apellido", "escala");
+        arr.put(obj3);
+        
+        System.out.println(arr.toList().get(0).getClass().getTypeName());
+        
+        
+        List<HashMap> list =  arr.toList().stream().filter(HashMap.class::isInstance).map(HashMap.class::cast).collect(toList());
+        List<HashMap<String, String>> list2 = (List<HashMap<String, String>>)(Object)list;
+//        list.stream().filter(h -> h.entrySet().stream().filter(e -> e.g) );
+//        HashMap<String, String> map = list.get(0);
+//        map.entrySet().stream().filter(e -> e.get)
+//         list2.forEach(h -> h.entrySet().stream().filter(e ->  e.getKey().equals("nombre") &&!e.getValue().isEmpty()).forEach(e -> System.out.println("e="+e.getKey()+ " "+e.getValue())));
+        System.out.println(list);
+        
+        
+        List<HashMap<String, String>> listmap = (List<HashMap<String, String>>)(Object)arr.toList();
+        listmap.forEach(
+                h -> h.entrySet().stream()
+                        .filter(e -> e.getKey().equals("nombre") && !e.getValue().isEmpty())
+                        .forEach(e -> System.out.println("k="+e.getKey()+", v="+e.getValue()))
+        );
+    }
+}

src/main/webapp/vistas/proyectarAsistenciaPolicias.jsp

@@ -51,8 +51,8 @@
                 <div class="panel-heading">
                     <h6 class="panel-title" style="font-size: 15px; font-family: inherit"><i class="icon icon-search4"></i>&nbsp;ASISTENCIAS PROYECTADAS</h6>
                 </div>
-                <div>
-                    <table class="table table-responsive dataTable table-striped table-sm table-bordered" id="tblAsistenciaPolicias">                                                 
+                <div id="tblProyectado">
+<!--                    <table class="table table-responsive dataTable table-striped table-sm table-bordered" id="tblAsistenciaPolicias">                                                 
                         <thead>
                             <tr>
                                 <th class="text-center">N°</th>
@@ -69,7 +69,7 @@
                         <tbody>
 
                         </tbody>
-                    </table>
+                    </table>-->
                 </div>
             </div>
         </div>
@@ -83,11 +83,12 @@
         <%@include file="templates/footer-body.jsp"%>
         <!--js de la pagina-->
 
-
+        <script src="../plantilla/assets/js/plugins/ui/moment/moment.min.js" type="text/javascript"></script>
         <script type="text/javascript" src="../plantilla/assets/js/plugins/pickers/daterangepicker.js"></script>
         <script type="text/javascript" src="../plantilla/assets/js/core/libraries/jquery_ui/widgets.min.js"></script>
         <script src="../plantilla/assets/js/plugins/tables/datatables/datatables.min.js" type="text/javascript"></script>
         <script src="../js/lib/dataTables.rowsGroup.js" type="text/javascript"></script>
+        <script type="text/javascript" src="../plantilla/assets/js/plugins/tables/handsontable/handsontable.min.js"></script>
         <script src="../js/pages/proyectar_asistencia_policias.js" type="text/javascript"></script>
         <!--js-->