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

---
 .../com/example/portfolio3/MatrixGraph.java                       | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java')

diff --git a/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java b/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java
index 67c095e..463bf8d 100644
--- a/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java
+++ b/src/com.example.portfolio3/com/example/portfolio3/MatrixGraph.java
@@ -51,12 +51,12 @@ public class MatrixGraph extends AbstractGraph {
 	}
 
 	/// foo
-	public void insertEdge(final Vertex v1, final Vertex v2, final int w) {
+	public final void insertEdge(final Vertex v1, final Vertex v2, final int w) {
 		matrix[getIndex(v1)][getIndex(v2)] = w;
 	}
 
 	/// foo
-	public Collection<Edge> edges() {
+	public final Collection<Edge> edges() {
 		HashSet<Edge> edges = new HashSet<>();
 		for (int i = 0; i < numVertex; i++) {
 			for (int j = 0; j < numVertex; j++) {
@@ -72,7 +72,7 @@ public class MatrixGraph extends AbstractGraph {
 	}
 
 	/// foo
-	public Collection<Edge> outEdge(final Vertex v1) {
+	public final Collection<Edge> outEdge(final Vertex v1) {
 		HashSet<Edge> edges = new HashSet<>();
 		int i = vertex2index.get(v1);
 		for (int j = 0; j < numVertex; j++) {
@@ -87,7 +87,7 @@ public class MatrixGraph extends AbstractGraph {
 	}
 
 	/// foo
-	public Integer getWeight(final Vertex v1, final Vertex v2) {
+	public final Integer getWeight(final Vertex v1, final Vertex v2) {
 
 		// constant time operation
 		return matrix[vertex2index.get(v1)][vertex2index.get(v2)];
-- 
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