Fixed utility classes having constructors.

src/forge/java/com/sk89q/worldedit/forge/ForgeUtil.java

@@ -9,7 +9,10 @@ import com.sk89q.worldedit.blocks.BaseItemStack;
 
 import cpw.mods.fml.common.FMLCommonHandler;
 
-public class ForgeUtil {
+public final class ForgeUtil {
+
+    private ForgeUtil() {
+    }
 
     public static boolean hasPermission(EntityPlayerMP player, String perm) {
         // TODO fix WEPIF

src/main/java/com/sk89q/util/ArrayUtil.java

@@ -18,7 +18,10 @@
 
 package com.sk89q.util;
 
-public class ArrayUtil {
+public final class ArrayUtil {
+
+    private ArrayUtil() {
+    }
 
     public static String[] removePortionOfArray(String[] array, int from, int to, String replace) {
         String[] newArray = new String[from + array.length - to - (replace == null ? 1 : 0)];

src/main/java/com/sk89q/util/ReflectionUtil.java

@@ -24,7 +24,11 @@ import java.lang.reflect.Field;
 /**
  * @author zml2008
  */
-public class ReflectionUtil {
+public final class ReflectionUtil {
+
+    private ReflectionUtil() {
+    }
+
     @SuppressWarnings("unchecked")
     public static <T> T getField(Object from, String name) {
         Class<?> checkClass = from.getClass();
@@ -39,4 +43,5 @@ public class ReflectionUtil {
         } while (checkClass.getSuperclass() != Object.class && ((checkClass = checkClass.getSuperclass()) != null));
         return null;
     }
+
 }

src/main/java/com/sk89q/util/StringUtil.java

@@ -26,7 +26,11 @@ import java.util.Map;
  * 
  * @author sk89q
  */
-public class StringUtil {
+public final class StringUtil {
+
+    private StringUtil() {
+    }
+
     /**
      * Trim a string if it is longer than a certain length.
      *  

src/main/java/com/sk89q/worldedit/LocalWorld.java

@@ -42,7 +42,7 @@ public abstract class LocalWorld implements World, Extent {
     /**
      * Named flags to use as parameters to {@link LocalWorld#killMobs(Vector, double, int)}
      */
-    public class KillFlags {
+    public final class KillFlags {
         public static final int PETS = 1 << 0;
         public static final int NPCS = 1 << 1;
         public static final int ANIMALS = 1 << 2;
@@ -50,6 +50,9 @@ public abstract class LocalWorld implements World, Extent {
         public static final int AMBIENT = 1 << 4;
         public static final int FRIENDLY = PETS | NPCS | ANIMALS | GOLEMS | AMBIENT;
         public static final int WITH_LIGHTNING = 1 << 20;
+
+        private KillFlags() {
+        }
     }
 
     /**

src/main/java/com/sk89q/worldedit/blocks/BlockData.java

@@ -27,6 +27,10 @@ import com.sk89q.worldedit.CuboidClipboard.FlipDirection;
  * @author sk89q
  */
 public final class BlockData {
+
+    private BlockData() {
+    }
+
     /**
      * Rotate a block's data value 90 degrees (north->east->south->west->north);
      * 

src/main/java/com/sk89q/worldedit/blocks/BlockID.java

@@ -203,4 +203,6 @@ public final class BlockID {
     public static final int PACKED_ICE = 174;
     public static final int DOUBLE_PLANT = 175;
 
+    private BlockID() {
+    }
 }

src/main/java/com/sk89q/worldedit/blocks/ItemID.java

@@ -199,4 +199,7 @@ public final class ItemID {
     public static final int DISC_WARD = 2265;
     public static final int DISC_11 = 2266;
     public static final int DISC_WAIT = 2267;
+
+    private ItemID() {
+    }
 }

src/main/java/com/sk89q/worldedit/internal/expression/parser/ParserProcessors.java

@@ -19,18 +19,14 @@
 
 package com.sk89q.worldedit.internal.expression.parser;
 
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.Map;
-
 import com.sk89q.worldedit.internal.expression.Identifiable;
 import com.sk89q.worldedit.internal.expression.lexer.tokens.OperatorToken;
 import com.sk89q.worldedit.internal.expression.lexer.tokens.Token;
 import com.sk89q.worldedit.internal.expression.runtime.Conditional;
-import com.sk89q.worldedit.internal.expression.runtime.RValue;
 import com.sk89q.worldedit.internal.expression.runtime.Operators;
+import com.sk89q.worldedit.internal.expression.runtime.RValue;
+
+import java.util.*;
 
 /**
  * Helper classfor Parser. Contains processors for statements and operators.
@@ -148,6 +144,9 @@ public final class ParserProcessors {
         }
     }
 
+    private ParserProcessors() {
+    }
+
     static RValue processExpression(LinkedList<Identifiable> input) throws ParserException {
         return processBinaryOpsRA(input, binaryOpMapsRA.length - 1);
     }

src/main/java/com/sk89q/worldedit/internal/expression/runtime/Functions.java

@@ -19,16 +19,12 @@
 
 package com.sk89q.worldedit.internal.expression.runtime;
 
-import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Random;
-
 import com.sk89q.worldedit.internal.expression.Expression;
 import com.sk89q.worldedit.internal.expression.runtime.Function.Dynamic;
 
+import java.lang.reflect.Method;
+import java.util.*;
+
 /**
  * Contains all functions that can be used in expressions.
  *
@@ -279,6 +275,10 @@ public final class Functions {
     private static final Map<Integer, double[]> gmegabuf = new HashMap<Integer, double[]>();
     private final Map<Integer, double[]> megabuf = new HashMap<Integer, double[]>();
 
+    public Map<Integer, double[]> getMegabuf() {
+        return megabuf;
+    }
+
     private static double[] getSubBuffer(Map<Integer, double[]> megabuf, Integer key) {
         double[] ret = megabuf.get(key);
         if (ret == null) {

src/main/java/com/sk89q/worldedit/internal/expression/runtime/Operators.java

@@ -26,6 +26,9 @@ package com.sk89q.worldedit.internal.expression.runtime;
  */
 @SuppressWarnings("UnusedDeclaration")
 public final class Operators {
+    private Operators() {
+    }
+
     public static Function getOperator(int position, String name, RValue lhs, RValue rhs) throws NoSuchMethodException {
         if (lhs instanceof LValue) {
             try {

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

@@ -19,6 +19,11 @@
 
 package com.sk89q.worldedit.internal.util;
 
+import com.sk89q.minecraft.util.commands.Command;
+import com.sk89q.minecraft.util.commands.CommandPermissions;
+import com.sk89q.minecraft.util.commands.NestedCommand;
+import com.sk89q.worldedit.command.*;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -28,25 +33,10 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import com.sk89q.minecraft.util.commands.Command;
-import com.sk89q.minecraft.util.commands.CommandPermissions;
-import com.sk89q.minecraft.util.commands.NestedCommand;
-import com.sk89q.worldedit.command.BiomeCommands;
-import com.sk89q.worldedit.command.ChunkCommands;
-import com.sk89q.worldedit.command.ClipboardCommands;
-import com.sk89q.worldedit.command.GeneralCommands;
-import com.sk89q.worldedit.command.GenerationCommands;
-import com.sk89q.worldedit.command.HistoryCommands;
-import com.sk89q.worldedit.command.NavigationCommands;
-import com.sk89q.worldedit.command.RegionCommands;
-import com.sk89q.worldedit.command.ScriptingCommands;
-import com.sk89q.worldedit.command.SelectionCommands;
-import com.sk89q.worldedit.command.SnapshotUtilCommands;
-import com.sk89q.worldedit.command.ToolCommands;
-import com.sk89q.worldedit.command.ToolUtilCommands;
-import com.sk89q.worldedit.command.UtilityCommands;
+public final class DocumentationPrinter {
+    private DocumentationPrinter() {
+    }
 
-public class DocumentationPrinter {
     public static void main(String[] args) throws IOException {
         File commandsDir = new File(args[0]);
 

src/main/java/com/sk89q/worldedit/util/FileDialogUtil.java

@@ -19,15 +19,19 @@
 
 package com.sk89q.worldedit.util;
 
+import com.sk89q.util.StringUtil;
+
+import javax.swing.*;
+import javax.swing.filechooser.FileFilter;
 import java.io.File;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
-import javax.swing.JFileChooser;
-import javax.swing.filechooser.FileFilter;
-import com.sk89q.util.StringUtil;
 
-public class FileDialogUtil {
+public final class FileDialogUtil {
+    private FileDialogUtil() {
+    }
+
     public static File showSaveDialog(String[] exts) {
         JFileChooser dialog = new JFileChooser();
 

src/main/java/com/sk89q/worldedit/world/storage/BlockData.java

@@ -29,6 +29,9 @@ import com.sk89q.worldedit.CuboidClipboard.FlipDirection;
  */
 @Deprecated
 public final class BlockData {
+    private BlockData() {
+    }
+
     /**
      * Rotate a block's data value 90 degrees (north->east->south->west->north);
      *