Little bit of formatting

worldedit-core/src/main/java/com/sk89q/minecraft/util/commands/Injector.java

@@ -35,6 +35,6 @@ public interface Injector {
      * @throws InstantiationException thrown on injection fault
      * @throws InvocationTargetException thrown on injection fault
      */
-    public Object getInstance(Class<?> cls) throws InvocationTargetException, IllegalAccessException, InstantiationException;
+    Object getInstance(Class<?> cls) throws InvocationTargetException, IllegalAccessException, InstantiationException;
 
 }

worldedit-core/src/main/java/com/sk89q/minecraft/util/commands/Logging.java

@@ -31,7 +31,7 @@ import java.lang.annotation.RetentionPolicy;
 @Retention(RetentionPolicy.RUNTIME)
 public @interface Logging {
 
-    public enum LogMode {
+    enum LogMode {
         /**
          * Player position
          */

worldedit-core/src/main/java/com/sk89q/util/yaml/YAMLNode.java

@@ -151,7 +151,7 @@ public class YAMLNode {
                 return;
             }
 
-            if (o == null || !(o instanceof Map)) {
+            if (!(o instanceof Map)) {
                 // This will override existing configuration data!
                 o = new LinkedHashMap<String, Object>();
                 node.put(parts[i], o);

worldedit-core/src/main/java/com/sk89q/worldedit/WorldEdit.java

@@ -481,10 +481,10 @@ public class WorldEdit {
             int size = missingBlocks.size();
             int i = 0;
 
-            for (BlockType id : missingBlocks.keySet()) {
+            for (Map.Entry<BlockType, Integer> blockTypeIntegerEntry : missingBlocks.entrySet()) {
-                str.append(id.getName());
+                str.append((blockTypeIntegerEntry.getKey()).getName());
 
-                str.append(" [Amt: ").append(missingBlocks.get(id)).append("]");
+                str.append(" [Amt: ").append(blockTypeIntegerEntry.getValue()).append("]");
 
                 ++i;
 
@@ -559,7 +559,7 @@ public class WorldEdit {
         Request.reset();
 
         String filename = f.getPath();
-        int index = filename.lastIndexOf(".");
+        int index = filename.lastIndexOf('.');
         String ext = filename.substring(index + 1);
 
         if (!ext.equalsIgnoreCase("js")) {

worldedit-core/src/main/java/com/sk89q/worldedit/blocks/metadata/MobType.java

@@ -55,7 +55,7 @@ public enum MobType {
 
     private final String name;
 
-    private MobType(String name) {
+    MobType(String name) {
         this.name = name;
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java

@@ -32,7 +32,6 @@ import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.Player;
-import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.function.block.BlockReplace;

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/BlockTool.java

@@ -27,5 +27,5 @@ import com.sk89q.worldedit.util.Location;
 
 public interface BlockTool extends Tool {
 
-    public boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session, Location clicked);
+    boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session, Location clicked);
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/DoubleActionBlockTool.java

@@ -30,6 +30,6 @@ import com.sk89q.worldedit.util.Location;
  */
 public interface DoubleActionBlockTool extends BlockTool {
 
-    public boolean actSecondary(Platform server, LocalConfiguration config, Player player, LocalSession session, Location clicked);
+    boolean actSecondary(Platform server, LocalConfiguration config, Player player, LocalSession session, Location clicked);
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/DoubleActionTraceTool.java

@@ -29,6 +29,6 @@ import com.sk89q.worldedit.extension.platform.Platform;
  */
 public interface DoubleActionTraceTool extends TraceTool {
 
-    public boolean actSecondary(Platform server, LocalConfiguration config, Player player, LocalSession session);
+    boolean actSecondary(Platform server, LocalConfiguration config, Player player, LocalSession session);
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/LongRangeBuildTool.java

@@ -29,7 +29,6 @@ import com.sk89q.worldedit.extension.platform.Platform;
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
-import com.sk89q.worldedit.world.block.BlockTypes;
 
 /**
  * A tool that can place (or remove) blocks at a distance.

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/Tool.java

@@ -34,6 +34,6 @@ public interface Tool {
      * @param actor the actor
      * @return true if use is permitted
      */
-    public boolean canUse(Actor actor);
+    boolean canUse(Actor actor);
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/TraceTool.java

@@ -26,5 +26,5 @@ import com.sk89q.worldedit.extension.platform.Platform;
 
 public interface TraceTool extends Tool {
 
-    public boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session);
+    boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session);
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/brush/Brush.java

@@ -38,6 +38,6 @@ public interface Brush {
      * @param size the size of the brush
      * @throws MaxChangedBlocksException 
      */
-    public void build(EditSession editSession, Vector position, Pattern pattern, double size) throws MaxChangedBlocksException;
+    void build(EditSession editSession, Vector position, Pattern pattern, double size) throws MaxChangedBlocksException;
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/MCEditSchematicReader.java

@@ -33,7 +33,6 @@ import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;

worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/SpongeSchematicReader.java

@@ -35,7 +35,6 @@ import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.extension.input.InputParseException;
 import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;

worldedit-core/src/main/java/com/sk89q/worldedit/extent/inventory/BlockBag.java

@@ -21,7 +21,6 @@ package com.sk89q.worldedit.extent.inventory;
 
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.world.block.BlockState;
-import com.sk89q.worldedit.world.block.BlockTypes;
 
 /**
  * Represents a source to get blocks from and store removed ones.

worldedit-core/src/main/java/com/sk89q/worldedit/extent/inventory/BlockBagExtent.java

@@ -26,7 +26,6 @@ import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
-import com.sk89q.worldedit.world.block.BlockTypes;
 
 import java.util.HashMap;
 import java.util.Map;

worldedit-core/src/main/java/com/sk89q/worldedit/extent/world/SurvivalModeExtent.java

@@ -27,7 +27,6 @@ import com.sk89q.worldedit.extent.AbstractDelegateExtent;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.world.World;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
-import com.sk89q.worldedit.world.block.BlockTypes;
 
 /**
  * Makes changes to the world as if a player had done so during survival mode.

worldedit-core/src/main/java/com/sk89q/worldedit/function/EntityFunction.java

@@ -34,6 +34,6 @@ public interface EntityFunction {
      * @return true if something was changed
      * @throws WorldEditException thrown on an error
      */
-    public boolean apply(Entity entity) throws WorldEditException;
+    boolean apply(Entity entity) throws WorldEditException;
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/function/FlatRegionFunction.java

@@ -36,6 +36,6 @@ public interface FlatRegionFunction {
      * @return true if something was changed
      * @throws WorldEditException thrown on an error
      */
-    public boolean apply(Vector2D position) throws WorldEditException;
+    boolean apply(Vector2D position) throws WorldEditException;
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/function/RegionFunction.java

@@ -34,6 +34,6 @@ public interface RegionFunction {
      * @return true if something was changed
      * @throws WorldEditException thrown on an error
      */
-    public boolean apply(Vector position) throws WorldEditException;
+    boolean apply(Vector position) throws WorldEditException;
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExistingBlockMask.java

@@ -21,7 +21,6 @@ package com.sk89q.worldedit.function.mask;
 
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.extent.Extent;
-import com.sk89q.worldedit.world.block.BlockTypes;
 
 import javax.annotation.Nullable;
 

worldedit-core/src/main/java/com/sk89q/worldedit/internal/annotation/Direction.java

@@ -34,6 +34,6 @@ import java.lang.annotation.Target;
 @Target(ElementType.PARAMETER)
 public @interface Direction {
     
-    public static final String AIM = "me";
+    String AIM = "me";
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/cui/CUIEvent.java

@@ -21,7 +21,7 @@ package com.sk89q.worldedit.internal.cui;
 
 public interface CUIEvent {
 
-    public String getTypeId();
+    String getTypeId();
 
-    public String[] getParameters();
+    String[] getParameters();
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/cui/CUIRegion.java

@@ -30,7 +30,7 @@ public interface CUIRegion {
      * value supplied by getProtocolVersion().
      * 
      */
-    public void describeCUI(LocalSession session, Actor player);
+    void describeCUI(LocalSession session, Actor player);
     
     /**
      * Sends CUI events describing the region for
@@ -38,7 +38,7 @@ public interface CUIRegion {
      * supplied by getProtocolVersion().
      * 
      */
-    public void describeLegacyCUI(LocalSession session, Actor player);
+    void describeLegacyCUI(LocalSession session, Actor player);
     
     /**
      * Returns the CUI version that is required to send
@@ -47,14 +47,14 @@ public interface CUIRegion {
      * 
      * @return the protocol version
      */
-    public int getProtocolVersion();
+    int getProtocolVersion();
     
     /**
      * Returns the type ID to send to CUI in the selection event.
      *
      * @return the type ID
      */
-    public String getTypeID();
+    String getTypeID();
     
     /**
      * Returns the type ID to send to CUI in the selection
@@ -62,5 +62,5 @@ public interface CUIRegion {
      * 
      * @return the legacy type ID
      */
-    public String getLegacyTypeID();
+    String getLegacyTypeID();
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/expression/Identifiable.java

@@ -54,8 +54,8 @@ public interface Identifiable {
      * C - Switch
      * </pre>
      */
-    public abstract char id();
+    char id();
 
-    public int getPosition();
+    int getPosition();
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/expression/runtime/LValue.java

@@ -27,12 +27,12 @@ import com.sk89q.worldedit.internal.expression.parser.ParserException;
  */
 public interface LValue extends RValue {
 
-    public double assign(double value) throws EvaluationException;
+    double assign(double value) throws EvaluationException;
 
     @Override
-    public LValue optimize() throws EvaluationException;
+    LValue optimize() throws EvaluationException;
 
     @Override
-    public LValue bindVariables(Expression expression, boolean preferLValue) throws ParserException;
+    LValue bindVariables(Expression expression, boolean preferLValue) throws ParserException;
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/expression/runtime/RValue.java

@@ -28,10 +28,10 @@ import com.sk89q.worldedit.internal.expression.parser.ParserException;
  */
 public interface RValue extends Identifiable {
 
-    public double getValue() throws EvaluationException;
+    double getValue() throws EvaluationException;
 
-    public RValue optimize() throws EvaluationException;
+    RValue optimize() throws EvaluationException;
 
-    public RValue bindVariables(Expression expression, boolean preferLValue) throws ParserException;
+    RValue bindVariables(Expression expression, boolean preferLValue) throws ParserException;
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/util/DocumentationPrinter.java

@@ -160,13 +160,13 @@ public final class DocumentationPrinter {
 
                 stream.print(" || ");
 
-                if (cmd.flags() != null && !cmd.flags().equals("")) {
+                if (cmd.flags() != null && !cmd.flags().isEmpty()) {
                     stream.print(cmd.flags());
                 }
 
                 stream.print(" || ");
 
-                if (cmd.desc() != null && !cmd.desc().equals("")) {
+                if (cmd.desc() != null && !cmd.desc().isEmpty()) {
                     stream.print(cmd.desc());
                 }
 

worldedit-core/src/main/java/com/sk89q/worldedit/math/interpolation/Interpolation.java

@@ -36,7 +36,7 @@ public interface Interpolation {
      *
      * @param nodes the nodes
      */
-    public void setNodes(List<Node> nodes);
+    void setNodes(List<Node> nodes);
 
     /**
      * Gets the result of f(position)
@@ -44,7 +44,7 @@ public interface Interpolation {
      * @param position the position to interpolate
      * @return the result
      */
-    public Vector getPosition(double position);
+    Vector getPosition(double position);
 
     /**
      * Gets the result of f'(position).
@@ -52,7 +52,7 @@ public interface Interpolation {
      * @param position the position to interpolate
      * @return the result
      */
-    public Vector get1stDerivative(double position);
+    Vector get1stDerivative(double position);
 
     /**
      * Gets the result of &int;<sub>a</sub><sup style="position: relative; left: -1ex">b</sup>|f'(t)| dt.<br />

worldedit-core/src/main/java/com/sk89q/worldedit/regions/FlatRegion.java

@@ -28,19 +28,19 @@ public interface FlatRegion extends Region {
      *
      * @return the Y value
      */
-    public int getMinimumY();
+    int getMinimumY();
 
     /**
      * Gets the maximum Y value
      *
      * @return the Y value
      */
-    public int getMaximumY();
+    int getMaximumY();
 
     /**
      * Get this region as an iterable flat region.
      *
      * @return a flat region iterable
      */
-    public Iterable<Vector2D> asFlatRegion();
+    Iterable<Vector2D> asFlatRegion();
 }

worldedit-core/src/main/java/com/sk89q/worldedit/regions/RegionSelector.java

@@ -44,14 +44,14 @@ public interface RegionSelector {
      * @return a world, which may be null
      */
     @Nullable
-    public World getWorld();
+    World getWorld();
 
     /**
      * Set the world for the region selector.
      *
      * @param world the world, which may be null
      */
-    public void setWorld(@Nullable World world);
+    void setWorld(@Nullable World world);
 
     /**
      * Called when the first point is selected.
@@ -59,7 +59,7 @@ public interface RegionSelector {
      * @param position the position
      * @return true if something changed
      */
-    public boolean selectPrimary(Vector position, SelectorLimits limits);
+    boolean selectPrimary(Vector position, SelectorLimits limits);
 
     /**
      * Called when the second point is selected.
@@ -67,7 +67,7 @@ public interface RegionSelector {
      * @param position the position
      * @return true if something changed
      */
-    public boolean selectSecondary(Vector position, SelectorLimits limits);
+    boolean selectSecondary(Vector position, SelectorLimits limits);
 
     /**
      * Tell the player information about his/her primary selection.
@@ -76,7 +76,7 @@ public interface RegionSelector {
      * @param session the session
      * @param position position
      */
-    public void explainPrimarySelection(Actor actor, LocalSession session, Vector position);
+    void explainPrimarySelection(Actor actor, LocalSession session, Vector position);
 
     /**
      * Tell the player information about his/her secondary selection.
@@ -85,7 +85,7 @@ public interface RegionSelector {
      * @param session the session
      * @param position position
      */
-    public void explainSecondarySelection(Actor actor, LocalSession session, Vector position);
+    void explainSecondarySelection(Actor actor, LocalSession session, Vector position);
 
     /**
      * The the player information about the region's changes. This may resend
@@ -94,7 +94,7 @@ public interface RegionSelector {
      * @param actor the actor
      * @param session the session
      */
-    public void explainRegionAdjust(Actor actor, LocalSession session);
+    void explainRegionAdjust(Actor actor, LocalSession session);
 
     /**
      * Get the primary position.
@@ -102,7 +102,7 @@ public interface RegionSelector {
      * @return the primary position
      * @throws IncompleteRegionException thrown if a region has not been fully defined
      */
-    public BlockVector getPrimaryPosition() throws IncompleteRegionException;
+    BlockVector getPrimaryPosition() throws IncompleteRegionException;
 
     /**
      * Get the selection.
@@ -110,51 +110,51 @@ public interface RegionSelector {
      * @return the created region
      * @throws IncompleteRegionException thrown if a region has not been fully defined
      */
-    public Region getRegion() throws IncompleteRegionException;
+    Region getRegion() throws IncompleteRegionException;
 
     /**
      * Get the region even if it's not fully defined.
      * 
      * @return an incomplete region object that is incomplete
      */
-    public Region getIncompleteRegion();
+    Region getIncompleteRegion();
 
     /**
      * Returns whether the region has been fully defined.
      * 
      * @return true if a selection is available
      */
-    public boolean isDefined();
+    boolean isDefined();
 
     /**
      * Get the number of blocks inside the region.
      * 
      * @return number of blocks, or -1 if undefined
      */
-    public int getArea();
+    int getArea();
 
     /**
      * Update the selector with changes to the region.
      */
-    public void learnChanges();
+    void learnChanges();
 
     /**
      * Clear the selection.
      */
-    public void clear();
+    void clear();
 
     /**
      * Get a lowercase name of this region selector type.
      * 
      * @return a lower case name of the type
      */
-    public String getTypeName();
+    String getTypeName();
 
     /**
      * Get lines of information about the selection.
      * 
      * @return a list of lines describing the region
      */
-    public List<String> getInformationLines();
+    List<String> getInformationLines();
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/regions/selector/RegionSelectorType.java

@@ -36,7 +36,7 @@ public enum RegionSelectorType {
 
     private final Class<? extends RegionSelector> selectorClass;
 
-    private RegionSelectorType(Class<? extends RegionSelector> selectorClass) {
+    RegionSelectorType(Class<? extends RegionSelector> selectorClass) {
         this.selectorClass = selectorClass;
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/scripting/CraftScriptEngine.java

@@ -24,10 +24,10 @@ import java.util.Map;
 import javax.script.ScriptException;
 
 public interface CraftScriptEngine {
-    public void setTimeLimit(int milliseconds);
+    void setTimeLimit(int milliseconds);
 
-    public int getTimeLimit();
+    int getTimeLimit();
 
-    public Object evaluate(String script, String filename, Map<String, Object> args)
+    Object evaluate(String script, String filename, Map<String, Object> args)
             throws ScriptException, Throwable;
 }

worldedit-core/src/main/java/com/sk89q/worldedit/session/SessionManager.java

@@ -104,7 +104,7 @@ public class SessionManager {
         checkNotNull(name);
         for (SessionHolder holder : sessions.values()) {
             String test = holder.key.getName();
-            if (test != null && name.equals(test)) {
+            if (name.equals(test)) {
                 return holder.session;
             }
         }

worldedit-core/src/main/java/com/sk89q/worldedit/util/TargetBlock.java

@@ -22,7 +22,6 @@ package com.sk89q.worldedit.util;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.world.World;
-import com.sk89q.worldedit.world.block.BlockTypes;
 
 /**
  * This class uses an inefficient method to figure out what block a player

worldedit-core/src/main/java/com/sk89q/worldedit/util/YAMLConfiguration.java

@@ -120,7 +120,7 @@ public class YAMLConfiguration extends LocalConfiguration {
         }
 
         String type = config.getString("shell-save-type", "").trim();
-        shellSaveType = type.equals("") ? null : type;
+        shellSaveType = type.isEmpty() ? null : type;
 
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/util/command/Parameter.java

@@ -61,6 +61,6 @@ public interface Parameter {
      * 
      * @return a default value, or null if none is set
      */
-    public String[] getDefaultValue();
+    String[] getDefaultValue();
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/util/formatting/Style.java

@@ -136,11 +136,11 @@ public enum Style {
     private final static Map<Integer, Style> BY_ID = Maps.newHashMap();
     private final static Map<Character, Style> BY_CHAR = Maps.newHashMap();
 
-    private Style(char code, int intCode) {
+    Style(char code, int intCode) {
         this(code, intCode, false);
     }
 
-    private Style(char code, int intCode, boolean isFormat) {
+    Style(char code, int intCode, boolean isFormat) {
         this.code = code;
         this.intCode = intCode;
         this.isFormat = isFormat;
@@ -183,7 +183,7 @@ public enum Style {
      * Gets the color represented by the specified color code
      *
      * @param code Code to check
-     * @return Associative {@link org.bukkit.ChatColor} with the given code, or null if it doesn't exist
+     * @return Associative Style with the given code, or null if it doesn't exist
      */
     public static Style getByChar(char code) {
         return BY_CHAR.get(code);
@@ -193,7 +193,7 @@ public enum Style {
      * Gets the color represented by the specified color code
      *
      * @param code Code to check
-     * @return Associative {@link org.bukkit.ChatColor} with the given code, or null if it doesn't exist
+     * @return Associative Style with the given code, or null if it doesn't exist
      */
     public static Style getByChar(String code) {
         checkNotNull(code);

worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BaseBlock.java

@@ -25,7 +25,6 @@ import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.StringTag;
 import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.blocks.TileEntityBlock;
-import com.sk89q.worldedit.function.mask.Mask;
 import com.sk89q.worldedit.registry.state.Property;
 
 import java.util.Map;

worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/Snapshot.java

@@ -200,7 +200,7 @@ public class Snapshot implements Comparable<Snapshot> {
     public int compareTo(Snapshot o) {
         if (o.date == null || date == null) {
             // Remove the folder from the name
-            int i = name.indexOf("/"), j = o.name.indexOf("/");
+            int i = name.indexOf('/'), j = o.name.indexOf('/');
             return name.substring((i > 0 ? 0 : i)).compareTo(o.name.substring((j > 0 ? 0 : j)));
         } else {
             return date.compareTo(o.date);

worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/SnapshotDateParser.java

@@ -36,6 +36,6 @@ public interface SnapshotDateParser {
      * @return date or null
      */
     @Nullable
-    public Calendar detectDate(File file);
+    Calendar detectDate(File file);
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/world/storage/TrueZipLegacyChunkStore.java

@@ -88,7 +88,7 @@ public class TrueZipLegacyChunkStore extends LegacyChunkStore {
 
         // Detect subfolder for the world's files
         if (folder != null) {
-            if (!folder.equals("")) {
+            if (!folder.isEmpty()) {
                 file = folder + "/" + file;
             }
         } else {

worldedit-core/src/main/java/com/sk89q/worldedit/world/storage/TrueZipMcRegionChunkStore.java

@@ -87,7 +87,7 @@ public class TrueZipMcRegionChunkStore extends McRegionChunkStore {
     protected InputStream getInputStream(String name, String worldName) throws IOException, DataException {
         // Detect subfolder for the world's files
         if (folder != null) {
-            if (!folder.equals("")) {
+            if (!folder.isEmpty()) {
                 name = folder + "/" + name;
             }
         } else {
@@ -100,7 +100,7 @@ public class TrueZipMcRegionChunkStore extends McRegionChunkStore {
                 if (worldPattern.matcher(worldName).matches()) {
                     // Check for file
                     if (pattern.matcher(testEntry.getName()).matches()) {
-                        folder = testEntry.getName().substring(0, testEntry.getName().lastIndexOf("/"));
+                        folder = testEntry.getName().substring(0, testEntry.getName().lastIndexOf('/'));
                         name = folder + "/" + name;
                         break;
                     }

worldedit-core/src/main/java/com/sk89q/worldedit/world/storage/ZippedLegacyChunkStore.java

@@ -82,7 +82,7 @@ public class ZippedLegacyChunkStore extends LegacyChunkStore {
 
         // Detect subfolder for the world's files
         if (folder != null) {
-            if (!folder.equals("")) {
+            if (!folder.isEmpty()) {
                 file = folder + "/" + file;
             }
         } else {

worldedit-core/src/main/java/com/sk89q/worldedit/world/storage/ZippedMcRegionChunkStore.java

@@ -76,7 +76,7 @@ public class ZippedMcRegionChunkStore extends McRegionChunkStore {
     protected InputStream getInputStream(String name, String worldName) throws IOException, DataException {
         // Detect subfolder for the world's files
         if (folder != null) {
-            if (!folder.equals("")) {
+            if (!folder.isEmpty()) {
                 name = folder + "/" + name;
             }
         } else {
@@ -86,7 +86,7 @@ public class ZippedMcRegionChunkStore extends McRegionChunkStore {
                 // Check for world
                 if (testEntry.getName().startsWith(worldName + "/")) {
                     if (pattern.matcher(testEntry.getName()).matches()) { // does entry end in .mca
-                        folder = testEntry.getName().substring(0, testEntry.getName().lastIndexOf("/"));
+                        folder = testEntry.getName().substring(0, testEntry.getName().lastIndexOf('/'));
                         name = folder + "/" + name;
                         break;
                     }