hi

src/com/wasteinformationserver/db/jdcb.java

@@ -29,7 +29,6 @@ Connection conn;
     }
 
     public ResultSet executeQuery(String sql) {
-
         try {
             PreparedStatement stmt = conn.prepareStatement(sql);
             return stmt.executeQuery();

src/com/wasteinformationserver/main.java

@@ -1,11 +1,6 @@
 package com.wasteinformationserver;
 
 import com.wasteinformationserver.mqtt.*;
-import org.eclipse.paho.client.mqttv3.MqttException;
-
-import java.net.URISyntaxException;
-import java.sql.SQLException;
-
 public class main {
     public static void main(String[] args) {
 /*
@@ -32,11 +27,9 @@ public class main {
 
         mqtt m = new mqtt();
         //  m.notifymessage();
-        try {
         m.getDatabasedata();
-        } catch (SQLException e) {
-            e.printStackTrace();
-        }
+        m.printlist();
+        // Log.message("mqtt irgentwos");
 
     }
 }

src/com/wasteinformationserver/mqtt/mqtt.java

@@ -2,8 +2,11 @@ package com.wasteinformationserver.mqtt;
 
 import com.wasteinformationserver.db.jdcb;
 
+import javax.swing.table.DefaultTableModel;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
@@ -29,30 +32,38 @@ public class mqtt {
         });
     }
 
-    public void getDatabasedata() throws SQLException {
-        jdcb database=new jdcb("placeuser","eaL956R6yFItQVBl","wasteinformation");
-        ResultSet result = database.executeQuery("SELECT*FROM place");
+    public void getDatabasedata() {
+        int n=0;
 
-        while(result.next())
-        {
-            String temp= String.valueOf(result.getStatement());
+        jdcb Database = new jdcb("placeuser", "eaL956R6yFItQVBl", "wasteinformation");
+        ResultSet result = Database.executeQuery("SELECT*FROM place WHERE Zone=1");
+        try {
+            while (result.next()) {
+                String temp = String.valueOf(result.getString("Abholtag"));
+                System.out.println(temp);
                 filllist(temp);
+                n++;
+            }
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        transmitmessagetoESP();
     }
 
 
-
-        //transmitmessagetoESP();
+    private void transmitmessagetoESP() {
+        mqtttransmitter mt = new mqtttransmitter(mylist);
     }
 
-    private void transmitmessagetoESP()
-    {
-
-        mqtttransmitter mt=new mqtttransmitter();
-    }
-
-    private void filllist(String temp)
-    {
+    private void filllist(String temp) {
         mylist.add(index, temp);
     }
 
+    public void printlist() {
+        for (int n = 0; n < index; n++) {
+            System.out.println(mylist.get(index));
+        }
+    }
+
 }

src/com/wasteinformationserver/mqtt/mqtttransmitter.java

@@ -6,10 +6,15 @@ import org.eclipse.paho.client.mqttv3.MqttException;
 import org.eclipse.paho.client.mqttv3.MqttMessage;
 import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
 
+import java.util.ArrayList;
+
 public class mqtttransmitter {
 
-    public mqtttransmitter() {
+    public mqtttransmitter(ArrayList<String> mylist) {
 
+    }
+
+    public void sendmessage(ArrayList mylist) {
         String topic = "kk";
         String content = "Message from MqttPublishSample";
         int qos = 2;
@@ -41,4 +46,5 @@ public class mqtttransmitter {
             me.printStackTrace();
         }
     }
+
 }