From 0716e7a635a8e1592e090efbe5b4272dc1509d56 Mon Sep 17 00:00:00 2001
From: Bukkit/Spigot <noreply+git-bukkit@papermc.io>
Date: Fri, 5 Apr 2013 12:40:03 -0500
Subject: [PATCH] Use utility method for team-join display. Fixes BUKKIT-3997

The method to make a string from a collection of strings already exists
and should be used when adding multiple players to a team.

By: Wesley Wolfe <weswolf@aol.com>
---
 .../src/main/java/org/bukkit/FireworkEffect.java   | 14 +-------------
 .../bukkit/command/defaults/ScoreboardCommand.java | 12 +-----------
 2 files changed, 2 insertions(+), 24 deletions(-)

diff --git a/paper-api/src/main/java/org/bukkit/FireworkEffect.java b/paper-api/src/main/java/org/bukkit/FireworkEffect.java
index 70e25b4b0c..5d1d2eab91 100644
--- a/paper-api/src/main/java/org/bukkit/FireworkEffect.java
+++ b/paper-api/src/main/java/org/bukkit/FireworkEffect.java
@@ -59,7 +59,7 @@ public final class FireworkEffect implements ConfigurationSerializable {
     public static final class Builder {
         boolean flicker = false;
         boolean trail = false;
-        ImmutableList.Builder<Color> colors = ImmutableList.builder();
+        final ImmutableList.Builder<Color> colors = ImmutableList.builder();
         ImmutableList.Builder<Color> fadeColors = null;
         Type type = Type.BALL;
 
@@ -130,10 +130,6 @@ public final class FireworkEffect implements ConfigurationSerializable {
         public Builder withColor(Color color) throws IllegalArgumentException {
             Validate.notNull(color, "Cannot have null color");
 
-            if (colors == null) {
-                colors = ImmutableList.builder();
-            }
-
             colors.add(color);
 
             return this;
@@ -154,10 +150,6 @@ public final class FireworkEffect implements ConfigurationSerializable {
             }
 
             ImmutableList.Builder<Color> list = this.colors;
-            if (list == null) {
-                list = this.colors = ImmutableList.builder();
-            }
-
             for (Color color : colors) {
                 Validate.notNull(color, "Color cannot be null");
                 list.add(color);
@@ -178,10 +170,6 @@ public final class FireworkEffect implements ConfigurationSerializable {
             Validate.notNull(colors, "Cannot have null colors");
 
             ImmutableList.Builder<Color> list = this.colors;
-            if (list == null) {
-                list = this.colors = ImmutableList.builder();
-            }
-
             for (Object color : colors) {
                 if (!(color instanceof Color)) {
                     throw new IllegalArgumentException(color + " is not a Color in " + colors);
diff --git a/paper-api/src/main/java/org/bukkit/command/defaults/ScoreboardCommand.java b/paper-api/src/main/java/org/bukkit/command/defaults/ScoreboardCommand.java
index 6127f4b75b..64816b627e 100644
--- a/paper-api/src/main/java/org/bukkit/command/defaults/ScoreboardCommand.java
+++ b/paper-api/src/main/java/org/bukkit/command/defaults/ScoreboardCommand.java
@@ -382,17 +382,7 @@ public class ScoreboardCommand extends VanillaCommand {
                             addedPlayers.add(offlinePlayer.getName());
                         }
                     }
-                    String[] playerArray = addedPlayers.toArray(new String[0]);
-                    StringBuilder builder = new StringBuilder();
-                    for (int x = 0; x < playerArray.length; x++) {
-                        if (x == playerArray.length - 1) {
-                            builder.append(" and ");
-                        } else if (x > 0) {
-                            builder.append(", ");
-                        }
-                        builder.append(playerArray[x]);
-                    }
-                    sender.sendMessage("Added " + addedPlayers.size() + " player(s) to team " + team.getName() + ": " + builder.toString());
+                    sender.sendMessage("Added " + addedPlayers.size() + " player(s) to team " + team.getName() + ": " + stringCollectionToString(addedPlayers));
                 }
             } else if (args[1].equalsIgnoreCase("leave")) {
                 if ((sender instanceof Player) ? args.length < 2 : args.length < 3) {