added lab10 ex1

src/lab10_memento/ex1/CheckpointManager.java

@@ -0,0 +1,17 @@
+package lab10_memento.ex1;
+
+public class CheckpointManager {
+    private Player.Checkpoint lastCheckpoint = null;
+
+    public void save(Player player) {
+        lastCheckpoint = player.makeCheckpoint();
+    }
+
+    public void restore(Player player) {
+        if (lastCheckpoint != null) {
+            lastCheckpoint.restore(player);
+        } else {
+            System.out.println("No checkpoint to restore");
+        }
+    }
+}