Added private constructors to utility classes

src/main/java/net/coreprotect/utility/Chat.java

@@ -18,8 +18,8 @@ public final class Chat {
     public static final String COMPONENT_COMMAND = "COMMAND";
     public static final String COMPONENT_POPUP = "POPUP";
 
-    private Chat() throws RuntimeException {
-        throw new RuntimeException();
+    private Chat() {
+        throw new IllegalStateException("Utility class");
     }
 
     public static void sendComponent(CommandSender sender, String string, String bypass) {

src/main/java/net/coreprotect/utility/ChatMessage.java

@@ -7,17 +7,17 @@ public class ChatMessage {
     /**
      * Returns the plugin name with the DARK_AQUA chat color.
      */
-    final String COREPROTECT = Color.DARK_AQUA + "CoreProtect";
+    String pluginName = Color.DARK_AQUA + "CoreProtect";
 
     String message;
     String textColor = Color.WHITE;
-    String textStyle = new String();
+    String textStyle = "";
     String separator = "-";
     boolean useTag = true;
     boolean useSpaces = true;
 
     public ChatMessage() {
-        this.message = new String();
+        this.message = "";
     }
 
     public ChatMessage setSeparator(String separator) {
@@ -129,7 +129,7 @@ public class ChatMessage {
     }
 
     public String build() {
-        return (this.useTag ? COREPROTECT : createSpaces(COREPROTECT, true, this.useSpaces)) + this.textColor + " " + this.separator + " " + this.textStyle + this.message;
+        return (this.useTag ? pluginName : createSpaces(pluginName, true, this.useSpaces)) + this.textColor + " " + this.separator + " " + this.textStyle + this.message;
     }
 
     @Override

src/main/java/net/coreprotect/utility/Color.java

@@ -5,7 +5,6 @@ import org.bukkit.ChatColor;
 public final class Color {
 
     // we define our own constants here to eliminate string concatenation
-
     // javadoc taken from org.bukkit.ChatColor
 
     /**
@@ -118,4 +117,8 @@ public final class Color {
      */
     public static final String RESET = ChatColor.COLOR_CHAR + "r";
 
+    private Color() {
+        throw new IllegalStateException("Utility class");
+    }
+
 }

src/main/java/net/coreprotect/utility/Util.java

@@ -110,6 +110,10 @@ public class Util extends Queue {
     public static final java.util.regex.Pattern tagParser = java.util.regex.Pattern.compile(Chat.COMPONENT_TAG_OPEN + "(.+?)" + Chat.COMPONENT_TAG_CLOSE + "|(.+?)", java.util.regex.Pattern.DOTALL);
     private static final String NAMESPACE = "minecraft:";
 
+    private Util() {
+        throw new IllegalStateException("Utility class");
+    }
+
     public static String getPluginVersion() {
         String version = CoreProtect.getInstance().getDescription().getVersion();
         if (version.contains("-")) {

src/main/java/net/coreprotect/utility/Validate.java

@@ -8,6 +8,10 @@ import org.bukkit.inventory.InventoryHolder;
 
 public class Validate {
 
+    private Validate() {
+        throw new IllegalStateException("Utility class");
+    }
+
     public static boolean isHopper(InventoryHolder inventoryHolder) {
         return (inventoryHolder instanceof Hopper || inventoryHolder instanceof HopperMinecart);
     }