diff --git a/postgres_java/src/main/java/de/swingbe/postgres_java/LctMsgHasLct.java b/postgres_java/src/main/java/de/swingbe/postgres_java/LctMsgHasLct.java
new file mode 100644
index 0000000..aa794a4
--- /dev/null
+++ b/postgres_java/src/main/java/de/swingbe/postgres_java/LctMsgHasLct.java
@@ -0,0 +1,38 @@
+package de.swingbe.postgres_java;
+
+import java.sql.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class LctMsgHasLct {
+
+    public static void main(String[] args) {
+
+        //connection URL for the postgres database
+        //jdbc:postgresql://<host>:<port>/<database name>
+        String url = "jdbc:postgresql://localhost:5432/testdb";
+
+        String user = "usr";
+        String password = "#password";
+
+        //get all columns from a table
+        String date = "2022-05-10";
+        String trip = "4457006";
+        String query = "SELECT " + "CASE WHEN EXISTS " + "(" + "SELECT * from lct_msg_y where vc_date='" + date + "' AND vc_trip='" + trip + "')" + "THEN 'true'" + "ELSE 'false'" + "END;";
+
+        //create prepared statement using placeholders instead of directly writing values
+        try (Connection con = DriverManager.getConnection(url, user, password); PreparedStatement pst = con.prepareStatement(query); ResultSet rs = pst.executeQuery()) {
+
+            //advance cursor to the next record
+            //return false if there are no more records in the result set
+            while (rs.next()) {
+                System.out.println("" + rs.getString(1));
+            }
+
+        } catch (SQLException ex) {
+
+            Logger lgr = Logger.getLogger(LctMsgHasLct.class.getName());
+            lgr.log(Level.SEVERE, ex.getMessage(), ex);
+        }
+    }
+}