Declares a serialVersionUID.

Lots of classes here are serializable, but warn due to missing UID. Serializables are supposed to have a UID for version compatability. Fixes a bunch of compiler warnings.

Also adds in "default:" branch to a few switches which were warning due to missing cases.

forge-game/src/main/java/forge/game/cost/Cost.java

@@ -47,6 +47,10 @@ import forge.util.TextUtil;
  * @version $Id$
  */
 public class Cost implements Serializable {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     private boolean isAbility = true;
     private final List<CostPart> costParts = Lists.newArrayList();
     private boolean isMandatory = false;

forge-game/src/main/java/forge/game/cost/CostAddMana.java

@@ -32,6 +32,11 @@ import forge.game.spellability.SpellAbility;
  * The Class CostAddMana.
  */
 public class CostAddMana extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * CostCostAddMana.
      * @param amount

forge-game/src/main/java/forge/game/cost/CostChooseCreatureType.java

@@ -25,6 +25,11 @@ import forge.game.spellability.SpellAbility;
  */
 public class CostChooseCreatureType extends CostPart {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost mill.
      * 

forge-game/src/main/java/forge/game/cost/CostDamage.java

@@ -27,6 +27,11 @@ import forge.game.spellability.SpellAbility;
  */
 public class CostDamage extends CostPart {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     public CostDamage(final String amount) {
         this.setAmount(amount);
     }

forge-game/src/main/java/forge/game/cost/CostDiscard.java

@@ -34,6 +34,11 @@ public class CostDiscard extends CostPartWithList {
 
     // Inputs
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost discard.
      * 

forge-game/src/main/java/forge/game/cost/CostDraw.java

@@ -28,6 +28,11 @@ import java.util.List;
  * The Class CostPayLife.
  */
 public class CostDraw extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * CostDraw.
      * @param amount

forge-game/src/main/java/forge/game/cost/CostExert.java

@@ -29,6 +29,11 @@ import forge.game.zone.ZoneType;
  */
 public class CostExert extends CostPartWithList {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost Exert.
      * 

forge-game/src/main/java/forge/game/cost/CostExile.java

@@ -38,6 +38,10 @@ public class CostExile extends CostPartWithList {
     // ExileFromTop<Num/Type{/TypeDescription}> (of library)
     // ExileSameGrave<Num/Type{/TypeDescription}>
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     public final ZoneType from;
     public final boolean sameZone;
 

forge-game/src/main/java/forge/game/cost/CostExileFromStack.java

@@ -33,6 +33,11 @@ public class CostExileFromStack extends CostPart {
     // ExileFromStack<Num/Type{/TypeDescription}>
 
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost exile.
      * 

forge-game/src/main/java/forge/game/cost/CostExiledMoveToGrave.java

@@ -29,6 +29,11 @@ import forge.game.zone.ZoneType;
  * This is for the "ExiledMoveToGrave" Cost.
  */
 public class CostExiledMoveToGrave extends CostPartWithList {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     // ExiledMoveToGrave<Num/Type{/TypeDescription}>
     public CostExiledMoveToGrave(final String amount, final String type, final String description) {
         super(amount, type, description);

forge-game/src/main/java/forge/game/cost/CostFlipCoin.java

@@ -27,6 +27,11 @@ import forge.game.spellability.SpellAbility;
  */
 public class CostFlipCoin extends CostPartWithList {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost FlipCoin.
      * 

forge-game/src/main/java/forge/game/cost/CostGainControl.java

@@ -31,6 +31,11 @@ import forge.game.zone.ZoneType;
 public class CostGainControl extends CostPartWithList {
     // GainControl<Num/Type{/TypeDescription}>
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost return.
      * 

forge-game/src/main/java/forge/game/cost/CostGainLife.java

@@ -28,6 +28,10 @@ import java.util.List;
  * The Class CostGainLife.
  */
 public class CostGainLife extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     private final int cntPlayers; // MAX_VALUE means ALL/EACH PLAYERS
 
     /**

forge-game/src/main/java/forge/game/cost/CostMill.java

@@ -31,6 +31,11 @@ import forge.game.zone.ZoneType;
  */
 public class CostMill extends CostPartWithList {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost mill.
      * 

forge-game/src/main/java/forge/game/cost/CostPart.java

@@ -31,6 +31,10 @@ import java.io.Serializable;
  * The Class CostPart.
  */
 public abstract class CostPart implements Comparable<CostPart>, Cloneable, Serializable {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     private String originalAmount;
     private String amount;
     private final String originalType, originalTypeDescription;

forge-game/src/main/java/forge/game/cost/CostPartMana.java

@@ -26,6 +26,10 @@ import forge.game.spellability.SpellAbility;
  * The mana component of any spell or ability cost
  */
 public class CostPartMana extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     // "Leftover"
     private final ManaCost cost;
     private boolean xCantBe0 = false;

forge-game/src/main/java/forge/game/cost/CostPartWithList.java

@@ -28,6 +28,10 @@ import forge.game.spellability.SpellAbility;
  * The Class CostPartWithList.
  */
 public abstract class CostPartWithList extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     /** The lists: one for LKI, one for the actual cards. */
     private final CardCollection lkiList = new CardCollection();
     protected final CardCollection cardList = new CardCollection();

forge-game/src/main/java/forge/game/cost/CostPayEnergy.java

@@ -27,6 +27,11 @@ import forge.game.spellability.SpellAbility;
 
 
 public class CostPayEnergy extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+    
     int paidAmount = 0;
 
     /**

forge-game/src/main/java/forge/game/cost/CostPayLife.java

@@ -26,6 +26,10 @@ import forge.game.spellability.SpellAbility;
  * The Class CostPayLife.
  */
 public class CostPayLife extends CostPart {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     int paidAmount = 0;
 
     /**

forge-game/src/main/java/forge/game/cost/CostPutCardToLib.java

@@ -36,6 +36,10 @@ public class CostPutCardToLib extends CostPartWithList {
     // PutCardToLibFromSameGrave<Num/LibPos/Type{/TypeDescription}>
     // PutCardToLibFromGrave<Num/LibPos/Type{/TypeDescription}>
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     public final ZoneType from;
     public final boolean sameZone;
     private String libPosition = "0";

forge-game/src/main/java/forge/game/cost/CostPutCounter.java

@@ -32,6 +32,10 @@ import java.util.List;
  * The Class CostPutCounter.
  */
 public class CostPutCounter extends CostPartWithList {
+     /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     // Put Counter doesn't really have a "Valid" portion of the cost
     private final CounterType counter;
     private int lastPaidAmount = 0;

forge-game/src/main/java/forge/game/cost/CostRemoveAnyCounter.java

@@ -30,6 +30,10 @@ import java.util.Map;
  * The Class CostRemoveAnyCounter.
  */
 public class CostRemoveAnyCounter extends CostPartWithList {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     // RemoveAnyCounter<Num/Type/{TypeDescription}>
     // Power Conduit and Chisei, Heart of Oceans
     // Both cards have "Remove a counter from a permanent you control"

forge-game/src/main/java/forge/game/cost/CostRemoveCounter.java

@@ -40,6 +40,10 @@ public class CostRemoveCounter extends CostPartWithList {
     // Quillspike, Rift Elemental, Sage of Fables, Spike Rogue
 
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     public final CounterType counter;
     public final ZoneType zone;
     private int cntRemoved;

forge-game/src/main/java/forge/game/cost/CostReturn.java

@@ -30,6 +30,12 @@ import forge.game.zone.ZoneType;
 public class CostReturn extends CostPartWithList {
     // Return<Num/Type{/TypeDescription}>
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
+
     /**
      * Instantiates a new cost return.
      * 

forge-game/src/main/java/forge/game/cost/CostReveal.java

@@ -33,6 +33,11 @@ import forge.game.zone.ZoneType;
 public class CostReveal extends CostPartWithList {
     // Reveal<Num/Type/TypeDescription>
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     public CostReveal(final String amount, final String type, final String description) {
         super(amount, type, description);
     }

forge-game/src/main/java/forge/game/cost/CostSacrifice.java

@@ -30,6 +30,11 @@ import forge.game.zone.ZoneType;
  */
 public class CostSacrifice extends CostPartWithList {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost sacrifice.
      * 

forge-game/src/main/java/forge/game/cost/CostTap.java

@@ -26,6 +26,11 @@ import forge.game.spellability.SpellAbility;
  */
 public class CostTap extends CostPart {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost tap.
      */

forge-game/src/main/java/forge/game/cost/CostTapType.java

@@ -32,6 +32,10 @@ import forge.util.TextUtil;
  */
 public class CostTapType extends CostPartWithList {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     public final boolean canTapSource;
 
     /**

forge-game/src/main/java/forge/game/cost/CostUnattach.java

@@ -32,6 +32,12 @@ public class CostUnattach extends CostPartWithList {
     // Unattach<CARDNAME> if ability is on the Equipment
     // Unattach<Card.Attached+namedHeartseeker/Equipped Heartseeker> if equipped creature has the ability
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
+
     /**
      * Instantiates a new cost unattach.
      */

forge-game/src/main/java/forge/game/cost/CostUntap.java

@@ -26,6 +26,11 @@ import forge.game.spellability.SpellAbility;
  */
 public class CostUntap extends CostPart {
 
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
     /**
      * Instantiates a new cost untap.
      */

forge-game/src/main/java/forge/game/cost/CostUntapType.java

@@ -29,6 +29,10 @@ import forge.game.zone.ZoneType;
  * The Class CostUntapType.
  */
 public class CostUntapType extends CostPartWithList {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     public final boolean canUntapSource;
 
     public CostUntapType(final String amount, final String type, final String description, boolean hasUntapInPrice) {

forge-game/src/main/java/forge/game/spellability/OptionalCostValue.java

@@ -5,6 +5,10 @@ import forge.game.cost.Cost;
 import java.io.Serializable;
 
 public class OptionalCostValue implements Serializable {
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
     private OptionalCost type;
     private Cost cost;
 

forge-gui-desktop/src/main/java/forge/screens/match/CMatchUI.java

@@ -932,7 +932,7 @@ public final class CMatchUI
         if (delayedReveal != null) {
             reveal(delayedReveal.getMessagePrefix(), delayedReveal.getCards()); //TODO: Merge this into search dialog
         }
-        return (List) order(title,"Selected", 0, optionList.size(), optionList, null, null, false);
+        return (List<GameEntityView>) order(title,"Selected", 0, optionList.size(), optionList, null, null, false);
     }
 
     @Override

forge-gui-desktop/src/main/java/forge/view/FView.java

@@ -287,6 +287,11 @@ public enum FView {
 			updateWarningOverlay.add(updateWarningContentPanel, constraints);
 
 			btnRemindMeLater.setCommand(new UiCommand() {
+				/**
+			     * 
+			     */
+			    private static final long serialVersionUID = 1L;
+
 				@Override
 				public void run() {
 					SOverlayUtils.hideOverlay();
@@ -294,6 +299,11 @@ public enum FView {
 			});
 
 			btnDoNotRemindMe.setCommand(new UiCommand() {
+				/**
+			     * 
+			     */
+			    private static final long serialVersionUID = 1L;
+
 				@Override
 				public void run() {
 					if (FOptionPane.showConfirmDialog("Are you sure? You can re-enable this warning in Forge's general preferences.")) {
@@ -305,6 +315,11 @@ public enum FView {
 			});
 
 			btnDownloadLatestJava.setCommand(new UiCommand() {
+				/**
+			     * 
+			     */
+			    private static final long serialVersionUID = 1L;
+
 				@Override
 				public void run() {
 					try {

forge-gui-mobile/src/forge/deck/FDeckEditor.java

@@ -925,6 +925,9 @@ public class FDeckEditor extends TabPageScreen<FDeckEditor> {
                             break;
                         case Brawl:
                             additionalFilter = DeckFormat.Brawl.isLegalCommanderPredicate();
+                            break;
+                        default:
+                            // Do nothing
                     }
                     cardManager.setCaption("Commanders");
                 }
@@ -937,10 +940,13 @@ public class FDeckEditor extends TabPageScreen<FDeckEditor> {
                             break;
                         case Brawl:
                             additionalFilter = DeckFormat.Brawl.isLegalCardForCommanderOrLegalPartnerPredicate(commanders);
+                            break;
+                        default:
+                            // Do nothing
                     }
                     cardManager.setCaption("Cards");
                 }
-                //fall through to below
+                // fall through to below
             default:
                 if (cardManager.getWantUnique()) {
                     cardManager.setPool(editorType.applyCardFilter(ItemPool.createFrom(FModel.getMagicDb().getCommonCards().getUniqueCards(), PaperCard.class), additionalFilter), true);

forge-gui/src/main/java/forge/quest/BoosterUtils.java

@@ -219,12 +219,15 @@ public final class BoosterUtils {
                         preferredColors.addAll(possibleColors);
                     }
                     includeArtifacts = MyRandom.getRandom().nextDouble() < 0.5;
+                    // Fall through
                 case BALANCED:
                     populateBalancedFilters(colorFilters, preferredColors, cardPool, includeArtifacts);
                     break;
                 case RANDOM:
                     populateRandomFilters(colorFilters);
                     break;
+                default:
+                    // Do nothing
 
             }