From e42af6bffd30dcafcb5f8adc8ff38c181c5f54f7 Mon Sep 17 00:00:00 2001
From: Jonas Hinterdorfer <j.hinterdorfer@HTBLALeonding.onmicrosoft.com>
Date: Thu, 27 Mar 2025 11:28:07 +0100
Subject: [PATCH] added preparedStatement

---
 src/main/java/at/ionas999/Main.java | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/main/java/at/ionas999/Main.java b/src/main/java/at/ionas999/Main.java
index 2de33e7..43cb8c3 100644
--- a/src/main/java/at/ionas999/Main.java
+++ b/src/main/java/at/ionas999/Main.java
@@ -1,16 +1,22 @@
 package at.ionas999;
 
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.ResultSet;
-import java.sql.SQLException;
+import java.sql.*;
 
 public class Main {
     public static void main(String[] args) {
-        try {
-            Connection con = DriverManager.getConnection("jdbc:derby:derbyDb");
+        try (Connection con = DriverManager.getConnection("jdbc:derby:derbyDb")) {
+
             con.setAutoCommit(true);
 
+            // Insert a new contact without specifying the ID
+            String insertSQL = "INSERT INTO CONTACT (NAME) VALUES (?)";
+            PreparedStatement insertPstmt = con.prepareStatement(insertSQL);
+            insertPstmt.setString(1, "John Doe"); // Set the Name value
+            int rows = insertPstmt.executeUpdate();
+            System.out.println("Rows inserted: " + rows);
+            insertPstmt.close();
+
+            // Non-prepared statement
             ResultSet resultSet = con.createStatement().executeQuery("select * from CONTACT");
 
             while (resultSet.next()) {
@@ -18,6 +24,7 @@ public class Main {
                 String name = resultSet.getString(2);
                 System.out.println("Id: " + id + ", Name: " + name);
             }
+            resultSet.close();
 
         } catch (SQLException e) {
             throw new RuntimeException(e);