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src/main/java/inf112/fiasko/roborally/objects/Deck.java

@@ -77,5 +77,15 @@ public abstract class Deck<T> implements IDeck<T> {
         }
         return builder.toString();
     }
+
+    @Override
+    public T peekTop() {
+        return cardList.get(0);
+    }
+
+    @Override
+    public T peekBottom() {
+        return cardList.get(size()-1);
+    }
 }
 

src/main/java/inf112/fiasko/roborally/objects/IDeck.java

@@ -4,6 +4,9 @@ import java.util.List;
 
 /**
  * Describes a deck
+ *
+ * Any card stored in the deck is assumed to be immutable. If it's not, the integrity of the deck cannot be
+ * guaranteed.
  */
 public interface IDeck <T> {
 
@@ -43,11 +46,22 @@ public interface IDeck <T> {
      */
     int size();
 
+    /**
+     * Takes a peek at the card currently at the top of the deck
+     * @return The card at the top of the deck
+     */
+    T peekTop();
+
+    /**
+     * Takes a peek at the card currently at the bottom of the deck
+     * @return The card at the bottom of the deck
+     */
+    T peekBottom();
+
     /**
      * Gets a list of all cards in this deck
      *
-     * The list should have the correct order according to the actual order within the deck. As an ICardWithoutSuit is
-     * immutable, the object reference can be returned directly.
+     * The list should have the correct order according to the actual order within the deck.
      *
      * @return A list of all cards in this deck
      */

src/test/java/inf112/fiasko/roborally/objects/ProgrammingCardDeckTest.java

@@ -113,4 +113,14 @@ public class ProgrammingCardDeckTest {
             assertTrue(fullDeck.getCards().contains(card));
         }
     }
+
+    @Test
+    public void peekTop() {
+        assertEquals(programmingCard1, testDeck.peekTop());
+    }
+
+    @Test
+    public void peekBottom() {
+        assertEquals(programmingCard3, testDeck.peekBottom());
+    }
 }