declare variables final when possible

1 files changed, 2 insertions, 2 deletions

diff --git a/src/com.example.portfolio3/com/example/portfolio3/AbstractGraph.java b/src/com.example.portfolio3/com/example/portfolio3/AbstractGraph.java
index eff245c..95c1030 100644
--- a/src/com.example.portfolio3/com/example/portfolio3/AbstractGraph.java
+++ b/src/com.example.portfolio3/com/example/portfolio3/AbstractGraph.java
@@ -21,7 +21,7 @@ public abstract class AbstractGraph implements Graph{
   /// foo
   /// @param s  foo
   /// @return Vertex
-  public Vertex vertex(String s){
+  public Vertex vertex(final String s){
     if(vertexMap.containsKey(s))return vertexMap.get(s);
     Vertex v=new Vertex(s);
     vertexMap.put(s,v);
@@ -30,7 +30,7 @@ public abstract class AbstractGraph implements Graph{
   }
 
   /// foo
-  public void insertEdge(String v, String u, int w){
+  public void insertEdge(final String v, final String u, final int w){
     insertEdge(vertex(v),vertex(u),w);
   }