fix missing case warnings

src/main/java/com/garbagemule/MobArena/ArenaClass.java

@@ -294,8 +294,9 @@ public class ArenaClass
                 case ENDER_CHEST:
                 case SHULKER_SHELL:
                     return true;
+                default:
+                    return type.name().endsWith("SHULKER_BOX");
             }
-            return type.name().endsWith("SHULKER_BOX");
         }
     }
 }

src/main/java/com/garbagemule/MobArena/ArenaImpl.java

@@ -1402,6 +1402,9 @@ public class ArenaImpl implements Arena
                     case PRIMED_TNT:
                     case SHULKER_BULLET:
                         e.remove();
+                        break;
+                    default:
+                        break;
                 }
             }
         }

src/main/java/com/garbagemule/MobArena/ArenaListener.java

@@ -329,6 +329,8 @@ public class ArenaListener
             case SNOW:
                 event.setCancelled(true);
                 break;
+            default:
+                break;
         }
     }
 
@@ -354,6 +356,8 @@ public class ArenaListener
             case LAVA:
                 event.setCancelled(true);
                 break;
+            default:
+                break;
         }
     }
 
@@ -410,6 +414,8 @@ public class ArenaListener
                 }
                 return;
             }
+            default:
+                break;
         }
 
         // If not custom, we probably don't want it, so get rid of it

src/main/java/com/garbagemule/MobArena/commands/setup/SetupCommand.java

@@ -328,8 +328,9 @@ public class SetupCommand implements Command, Listener {
             switch (action) {
                 case LEFT_CLICK_BLOCK:  regions(lower, loc); return true;
                 case RIGHT_CLICK_BLOCK: regions(upper, loc); return true;
+                default:
+                    return false;
             }
-            return false;
         }
 
         private boolean warps(PlayerInteractEvent event) {
@@ -350,8 +351,9 @@ public class SetupCommand implements Command, Listener {
                     }
                     next = formatYellow("Current warp: %s", warpArray[warpIndex]);
                     return true;
-            }
-            return false;
+                default:
+                    return false;
+                }
         }
 
         private boolean spawns(PlayerInteractEvent event) {
@@ -364,8 +366,9 @@ public class SetupCommand implements Command, Listener {
             switch (event.getAction()) {
                 case LEFT_CLICK_BLOCK:  spawns(l, true);  return true;
                 case RIGHT_CLICK_BLOCK: spawns(l, false); return true;
+                default:
+                    return false;
             }
-            return false;
         }
 
         private boolean chests(PlayerInteractEvent event) {
@@ -377,8 +380,9 @@ public class SetupCommand implements Command, Listener {
             switch (event.getAction()) {
                 case LEFT_CLICK_BLOCK:  chests(b, true);  return true;
                 case RIGHT_CLICK_BLOCK: chests(b, false); return true;
+                default:
+                    return false;
             }
-            return false;
         }
 
         private void fix(Location loc) {

src/main/java/com/garbagemule/MobArena/leaderboards/Leaderboard.java

@@ -266,6 +266,8 @@ public class Leaderboard
                 case SOUTH: return BlockFace.EAST;
                 case WEST: return BlockFace.SOUTH;
                 case EAST: return BlockFace.NORTH;
+                default:
+                    break;
             }
         }
         return null;