diff --git a/forge-gui-mobile/src/forge/adventure/pointofintrest/PointOfInterest.java b/forge-gui-mobile/src/forge/adventure/pointofintrest/PointOfInterest.java
index 8f112687403..c916bb5c47f 100644
--- a/forge-gui-mobile/src/forge/adventure/pointofintrest/PointOfInterest.java
+++ b/forge-gui-mobile/src/forge/adventure/pointofintrest/PointOfInterest.java
@@ -10,6 +10,7 @@ import forge.adventure.util.*;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Random;
 
 /**
@@ -80,9 +81,7 @@ public class PointOfInterest implements Serializable, SaveFileContent {
         data = d;
         active = d.active;
         position.set(pos);
-        for (DialogData.ActionData.QuestFlag flag : data.questFlagsToActivate) {
-            questFlagsToActivate.add(flag);
-        }
+        questFlagsToActivate.addAll(Arrays.asList(data.questFlagsToActivate));
 
         rectangle.set(position.x, position.y, sprite.getWidth(), sprite.getHeight());
     }
diff --git a/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java b/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java
index 7808761c2f9..b1df411dc1b 100644
--- a/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java
+++ b/forge-gui/src/main/java/forge/player/PlayerControllerHuman.java
@@ -2175,9 +2175,7 @@ public class PlayerControllerHuman extends PlayerController implements IGameCont
                 for (final DeckSection s : new TreeSet<>(removedUnplayableCards.keySet())) {
                     if (DeckSection.Sideboard.equals(s))
                         continue;
-                    for (PaperCard c : removedUnplayableCards.get(s)) {
-                        labels.add(c);
-                    }
+                    labels.addAll(removedUnplayableCards.get(s));
                 }
                 if (!labels.isEmpty())
                     getGui().reveal(localizer.getMessage("lblActionFromPlayerDeck", message, Lang.getInstance().getPossessedObject(MessageUtil.mayBeYou(player, p), "")),
diff --git a/forge-lda/src/forge/lda/dataset/BagOfWords.java b/forge-lda/src/forge/lda/dataset/BagOfWords.java
index 82ef02235f8..f800c2fdddc 100644
--- a/forge-lda/src/forge/lda/dataset/BagOfWords.java
+++ b/forge-lda/src/forge/lda/dataset/BagOfWords.java
@@ -69,9 +69,7 @@ public final class BagOfWords {
             try {
                 if (format.isDeckLegal(deck) && deck.getMain().toFlatList().size() == 60) {
                     legalDecks.add(deck);
-                    for (PaperCard card : deck.getMain().toFlatList()) {
-                        cardSet.add(card);
-                    }
+                    cardSet.addAll(deck.getMain().toFlatList());
                 }
             }catch(Exception e){
                 System.out.println("Skipping deck "+deck.getName());