psjava
diff --git a/‎src/main/java/org/psjava/ds/tree/segmenttree/SegmentTreeFactory.java
Lines changed: 0 additions & 11 deletions b/‎src/main/java/org/psjava/ds/tree/segmenttree/SegmentTreeFactory.java
Lines changed: 0 additions & 11 deletions
diff --git a/‎src/main/java/org/psjava/goods/GoodSegmentTreeFactory.java
Lines changed: 0 additions & 12 deletions b/‎src/main/java/org/psjava/goods/GoodSegmentTreeFactory.java
Lines changed: 0 additions & 12 deletions
diff --git a/‎src/test/java/org/psjava/example/ds/SegmentTreeExample.java
Lines changed: 1 addition & 2 deletions b/‎src/test/java/org/psjava/example/ds/SegmentTreeExample.java
Lines changed: 1 addition & 2 deletions
@@ -6,7 +6,6 @@
 import org.psjava.ds.array.MutableArrayFromVarargs;
 import org.psjava.ds.tree.segmenttree.SegmentTree;
 import org.psjava.ds.tree.segmenttree.SegmentTreeByArrayImplementation;
-import org.psjava.goods.GoodSegmentTreeFactory;
 
 /**
  * @implementation {@link SegmentTreeByArrayImplementation}
@@ -20,7 +19,7 @@ public void example() {
 
         PSArray<Integer> init = MutableArrayFromVarargs.create(4, 3, 1, 5, 2);
 
-        SegmentTree<Integer> maxTree = GoodSegmentTreeFactory.getInstance().create(init, Math::max);
+        SegmentTree<Integer> maxTree = new SegmentTreeByArrayImplementation<>(init, Math::max);
 
         // query by range.