Added command for generating random numbers.

src/main/java/dev/logal/logalbot/Main.java

@@ -89,6 +89,10 @@ public final class Main {
 		CommandManager.registerCommand("help", new Help(), false);
 
 		// Fun Commands
+		CommandManager.registerCommand("dice", new Dice(), false);
+		CommandManager.registerCommandAlias("die", "dice");
+		CommandManager.registerCommandAlias("random", "dice");
+		CommandManager.registerCommandAlias("rng", "dice");
 		CommandManager.registerCommand("8ball", new EightBall(), false);
 
 		// Audio Commands

src/main/java/dev/logal/logalbot/commands/fun/Dice.java

@@ -0,0 +1,47 @@
+package dev.logal.logalbot.commands.fun;
+
+// Copyright 2019 Logan Fick
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+// https://www.apache.org/licenses/LICENSE-2.0
+
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import java.security.SecureRandom;
+import java.util.concurrent.TimeUnit;
+
+import dev.logal.logalbot.commands.Command;
+import dev.logal.logalbot.commands.CommandResponse;
+import net.dv8tion.jda.core.entities.Member;
+import net.dv8tion.jda.core.entities.TextChannel;
+
+public final class Dice implements Command {
+    private final SecureRandom rng = new SecureRandom();
+
+    @Override
+    public CommandResponse execute(String[] arguments, Member executor, TextChannel channel) {
+        if (arguments.length == 0) {
+            return new CommandResponse("game_die",
+                    executor.getAsMention() + ", the dice rolled **" + (rng.nextInt(6) + 1) + "**.");
+        } else {
+            final int maximumRange;
+            try {
+                maximumRange = Integer.parseInt(arguments[0]);
+            } catch (final NumberFormatException exception) {
+                return new CommandResponse("x",
+                        "Sorry " + executor.getAsMention() + ", but the maximum range must be an integer.")
+                                .setDeletionDelay(30, TimeUnit.SECONDS);
+            }
+
+            return new CommandResponse("game_die",
+                    executor.getAsMention() + ", the dice rolled **" + (rng.nextInt(maximumRange) + 1) + "**.");
+        }
+    }
+}