set methods final to avoid uncertain subclassing

1 files changed, 4 insertions, 4 deletions

diff --git a/src/com.example.portfolio3/com/example/portfolio3/Edge.java b/src/com.example.portfolio3/com/example/portfolio3/Edge.java
index 065b6ae..c4fa227 100644
--- a/src/com.example.portfolio3/com/example/portfolio3/Edge.java
+++ b/src/com.example.portfolio3/com/example/portfolio3/Edge.java
@@ -13,19 +13,19 @@ public class Edge {
 
 	/// foo
 	/// @return Vertex
-	public Vertex from() {
+	public final Vertex from() {
 		return from;
 	}
 
 	/// foo
 	/// @return Vertex
-	public Vertex to() {
+	public final Vertex to() {
 		return to;
 	}
 
 	/// foo
 	/// @return int
-	public int weight() {
+	public final int weight() {
 		return weight;
 	}
 
@@ -41,7 +41,7 @@ public class Edge {
 
 	/// foo
 	/// @return String
-	public String toString() {
+	public final String toString() {
 		return from.name() + " - " + weight + " -> " + to.name();
 	}
 }