fix brutally embarassing errorsAnd typos

1 files changed, 4 insertions, 3 deletions

diff --git a/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java b/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java
index 9d8e12f..8782569 100644
--- a/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java
+++ b/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java
@@ -7,6 +7,8 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -219,15 +221,14 @@ public final class Graph {
 		final ArrayList<Set<Vertex>> sets, final AbstractGraph g
 	) {
 		AbstractGraph h = new AdjListGraph();
-		Map<Set<Vertex>, String> label = new Map<>();
+		Map<Set<Vertex>, String> label = new HashMap<>();
 		for (Set<Vertex> groupSet : sets) {
 			// canonical string name - strings sortes alphabetically
 			String name = groupSet.stream()
 				.map(Vertex::toString)
 				.sorted() // avoid differently sorted duplicates
-				.collect(Collecters.joining(",", "{", "}"));
+				.collect(Collectors.joining(",", "{", "}"));
 			label.put(groupSet, name);
-			h.insertVertex(name);
 		}
 
 		for (Set<Vertex> s: sets) {