From 56362295799741bec6ffe5c7713dbc2f1ee86dd7 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Tue, 29 Apr 2025 08:33:41 +0200
Subject: set methods final to avoid uncertain subclassing

---
 src/com.example.portfolio2/com/example/portfolio2/MyDB.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/com.example.portfolio2/com/example')

diff --git a/src/com.example.portfolio2/com/example/portfolio2/MyDB.java b/src/com.example.portfolio2/com/example/portfolio2/MyDB.java
index ea0f6d6..942f0b9 100644
--- a/src/com.example.portfolio2/com/example/portfolio2/MyDB.java
+++ b/src/com.example.portfolio2/com/example/portfolio2/MyDB.java
@@ -21,7 +21,7 @@ public class MyDB {
 	}
 
 	/// foo
-	public void open() {
+	public final void open() {
 		try {
 			String url = "jdbc:sqlite:identifier.sqlite";
 			conn = DriverManager.getConnection(url);
@@ -36,7 +36,7 @@ public class MyDB {
 	}
 
 	/// foo
-	public void close() {
+	public final void close() {
 		try {
 			if (conn != null) {
 				conn.close();
@@ -49,7 +49,7 @@ public class MyDB {
 
 	/// foo
 	/// @param sql  foo
-	public void cmd(final String sql) {
+	public final void cmd(final String sql) {
 		if (conn == null) {
 			open();
 		}
@@ -79,7 +79,7 @@ public class MyDB {
 	/// @param query  foo
 	/// @param fld    foo
 	/// @return       foo
-	public ArrayList<String> query(final String query, final String fld) {
+	public final ArrayList<String> query(final String query, final String fld) {
 		ArrayList<String> res = new ArrayList<>();
 		if (conn == null) {
 			open();
-- 
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