1 files changed, 7 insertions, 2 deletions

diff --git a/src/ch/epfl/maze/physical/Prey.java b/src/ch/epfl/maze/physical/Prey.java
index 3654807..ff760c5 100644
--- a/src/ch/epfl/maze/physical/Prey.java
+++ b/src/ch/epfl/maze/physical/Prey.java
@@ -37,8 +37,11 @@ abstract public class Prey extends ProbabilisticAnimal {
      *                 World.getChoices(Vector2D)})
      * @param daedalus The world in which the animal moves
      * @return The next direction of the animal, chosen in {@code choices}
+     * @implNote Not abstract for compatibility purpose (in order not to break tests)
      */
-    abstract public Direction move(Set<Direction> choices, Daedalus daedalus);
+    public Direction move(Set<Direction> choices, Daedalus daedalus) {
+        return null;
+    }
 
     /**
      * Retrieves the next direction of the animal, by selecting one choice among
@@ -53,8 +56,10 @@ abstract public class Prey extends ProbabilisticAnimal {
      *                 World.getChoices(Vector2D)})
      * @param daedalus The world in which the animal moves
      * @return The next direction of the animal, chosen in {@code choices}
+     * @apiNote Not final for compatibility purpose (in order not to break tests)
+     * @deprecated Use @code{Direction move(Set<Direction> choices, Daedalus daedalus)} instead
      */
-    public final Direction move(Direction[] choices, Daedalus daedalus) {
+    public Direction move(Direction[] choices, Daedalus daedalus) {
         return this.move(EnumSet.copyOf(Arrays.asList(choices)), daedalus);
     }