abstrac class Element

src/main/java/model/Element.java

+package model;
+
+import java.util.List;
+
+public abstract class Element {
+    public void setPosition(){
+
+    }
+    public Position getPosition(){
+        return null;
+
+    }
+    public List<util.Position> updateToNextGeneration() {
+        return null;
+    }
+    private List<util.Position> neighbors(util.Position position){
+        return null;
+    }
+}

src/main/java/model/Position.java

+package model;
+
+public class Position {
+    int row;
+    int column;
+}