From e97628ef491a2027306b57c81d97a4af9de6e332 Mon Sep 17 00:00:00 2001
From: sdburns1998 <sdburn1998@gmail.com>
Date: Sun, 7 Jul 2019 22:08:38 +0200
Subject: [PATCH] ui: Interface instead of type

---
 .../src/main/java/net/runelite/client/ui/FontManager.java | 3 ++-
 .../client/ui/overlay/arrow/ArrowMinimapOverlay.java      | 4 ++--
 .../net/runelite/client/ui/overlay/arrow/ArrowPoint.java  | 8 ++++----
 .../net/runelite/client/ui/overlay/arrow/ArrowUtil.java   | 5 +++--
 4 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/runelite-client/src/main/java/net/runelite/client/ui/FontManager.java b/runelite-client/src/main/java/net/runelite/client/ui/FontManager.java
index 64a271c7e6..1205c6b3a7 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/FontManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/FontManager.java
@@ -34,6 +34,7 @@ import java.awt.Font;
 import java.awt.FontFormatException;
 import java.awt.GraphicsEnvironment;
 import java.io.IOException;
+import java.util.Map;
 import lombok.Getter;
 import net.runelite.client.config.FontType;
 
@@ -59,7 +60,7 @@ public class FontManager
 	}
 
 	private static final ImmutableBiMap<String, Font> fontMap;
-	private static final HashMap<Font, CachedFont> derivedFontMap = new HashMap<>();
+	private static final Map<Font, CachedFont> derivedFontMap = new HashMap<>();
 
 	static
 	{
diff --git a/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowMinimapOverlay.java b/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowMinimapOverlay.java
index 59e3784686..91be8caeca 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowMinimapOverlay.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowMinimapOverlay.java
@@ -28,8 +28,8 @@ import java.awt.Dimension;
 import java.awt.Graphics2D;
 import java.awt.geom.AffineTransform;
 import java.awt.image.BufferedImage;
-import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 import lombok.extern.slf4j.Slf4j;
@@ -106,7 +106,7 @@ public class ArrowMinimapOverlay extends Overlay
 				else if (arrowPoint.types.contains(ArrowType.OBJECT))
 				{
 
-					ArrayList<GameObject> objects = ArrowUtil.getObjects(client, arrowPoint.getObjectIDs());
+					List<GameObject> objects = ArrowUtil.getObjects(client, arrowPoint.getObjectIDs());
 					if (objects.isEmpty() && fallBackPoint != null)
 					{
 						renderMinimapArrow(graphics, arrowPoint, null, localPlayerPos, worldPlayerPos);
diff --git a/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowPoint.java b/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowPoint.java
index 9969869356..2b381ca9cc 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowPoint.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowPoint.java
@@ -27,7 +27,7 @@ package net.runelite.client.ui.overlay.arrow;
 import java.awt.Color;
 import java.awt.image.BufferedImage;
 import java.util.EnumSet;
-import java.util.HashSet;
+import java.util.Set;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NonNull;
@@ -44,15 +44,15 @@ public class ArrowPoint
 	@NonNull
 	private WorldPoint worldPoint;
 
-	private HashSet<Integer> npcIDs;
+	private Set<Integer> npcIDs;
 
-	private HashSet<Integer> objectIDs;
+	private Set<Integer> objectIDs;
 
 	/**
 	 * The regions that an NPC or Object has to be in to be marked (eg. Exam Centre locked chest Hard Clue requires
 	 * killing a Barbarian in Barbarian Village, or Konar Slayer requires killing monsters in a certain area)
 	 */
-	private HashSet<Integer> region;
+	private Set<Integer> region;
 
 	private BufferedImage worldImage;
 	@Builder.Default
diff --git a/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowUtil.java b/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowUtil.java
index a4380ae9a4..3d3b864b51 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowUtil.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/overlay/arrow/ArrowUtil.java
@@ -1,7 +1,8 @@
 package net.runelite.client.ui.overlay.arrow;
 
 import java.util.ArrayList;
-import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 import net.runelite.api.Client;
 import net.runelite.api.GameObject;
 import net.runelite.api.ObjectDefinition;
@@ -10,7 +11,7 @@ import net.runelite.api.Tile;
 
 class ArrowUtil
 {
-	static ArrayList<GameObject> getObjects(final Client client, HashSet<Integer> objectIDs)
+	static List<GameObject> getObjects(final Client client, Set<Integer> objectIDs)
 	{
 		final Scene scene = client.getScene();
 		final Tile[][] tiles = scene.getTiles()[client.getPlane()];