diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Stroke.java b/src/main/java/org/ntlab/acanthus_server/entities/Stroke.java
index 4900751..7d3922b 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Stroke.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Stroke.java
@@ -6,7 +6,7 @@
 import org.ntlab.acanthus_server.entities.Position;
 
 public class Stroke {
-    private static int i; //strokeNoを数えるためだけ
+    static int strokeNoCount; //strokeNoを数えるためだけ
     private int strokeNo;
     private int pen;
     private int color;
@@ -25,12 +25,15 @@
     public int getThickness() {
         return this.thickness;
     }
+    public ArrayList<Position> getPositions() {
+        return this.positions;
+    }
 
     //書き始めたらstrokeNoを追加する。
     public void addStrokeNo(){
-        this.i++;
-        this.strokeNo = i;
-}
+        strokeNoCount++;
+        this.strokeNo = strokeNoCount;
+    }
 
     public void addStrokes(int pen, int color, int thickness) {
         this.pen = pen;
@@ -38,6 +41,10 @@
         this.thickness = thickness;
     }
 
+    public void addPositions(ArrayList<Position> positions) {
+        this.positions = positions;
+    }
+
 }