diff --git a/postgres_java/pom.xml b/postgres_java/pom.xml
index 98f5a09..e0b5337 100644
--- a/postgres_java/pom.xml
+++ b/postgres_java/pom.xml
@@ -38,7 +38,7 @@
                 <artifactId>exec-maven-plugin</artifactId>
                 <version>1.6.0</version>
                 <configuration>
-                    <mainClass>de.swingbe.postgres_java.JavaPostgreSqlPrepared
+                    <mainClass>de.swingbe.postgres_java.JavaPostgreSqlRetrieve
                     </mainClass>
                 </configuration>
             </plugin>
@@ -85,7 +85,7 @@
                                         implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                     <manifestEntries>
                                         <Main-Class>
-                                            de.swingbe.postgres_java.Main
+                                            de.swingbe.postgres_java.JavaPostgreSqlRetrieve
                                         </Main-Class>
                                     </manifestEntries>
                                 </transformer>
diff --git a/postgres_java/src/main/java/de/swingbe/postgres_java/JavaPostgreSqlRetrieve.java b/postgres_java/src/main/java/de/swingbe/postgres_java/JavaPostgreSqlRetrieve.java
new file mode 100644
index 0000000..5da30b0
--- /dev/null
+++ b/postgres_java/src/main/java/de/swingbe/postgres_java/JavaPostgreSqlRetrieve.java
@@ -0,0 +1,37 @@
+package de.swingbe.postgres_java;
+
+import java.sql.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class JavaPostgreSqlRetrieve {
+
+    public static void main(String[] args) {
+
+        String url = "jdbc:postgresql://localhost:5432/testdb";
+        String user = "usr";
+        String password = "#password";
+
+        //get all columns from a table
+        String query = "SELECT * FROM authors";
+
+        //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.print(rs.getInt(1));
+                System.out.print(" | ");
+                System.out.println(rs.getString(2));
+            }
+
+        } catch (SQLException ex) {
+
+            Logger lgr = Logger.getLogger(JavaPostgreSqlRetrieve.class.getName());
+            lgr.log(Level.SEVERE, ex.getMessage(), ex);
+        }
+    }
+}