feat: more simply

Author: sysnote8main

src/main/java/jp/azisaba/lgw/kdstatus/commands/MyStatusCommand.java

@@ -37,7 +37,7 @@ public boolean onCommand(@NotNull CommandSender sender, @NotNull Command cmd, @N
         if (deaths > 0) {
             kdRaito = (double) kills / (double) deaths;
         } else {
-            kdRaito = (double) kills;
+            kdRaito = kills;
         }
 
         int dailyKills = data.getKills(TimeUnit.DAILY);

src/main/java/jp/azisaba/lgw/kdstatus/sql/KillDeathDataContainer.java

@@ -152,7 +152,7 @@ public void saveAllPlayerData(boolean async, boolean clear) {
 
         List<KDUserData> data = new ArrayList<>(playerDataCache.values());
 
-        if (data.size() <= 0) {
+        if (data.isEmpty()) {
             return;
         }
 
@@ -296,7 +296,7 @@ public void miguration(Player p) {
             public void run() {
                 fileCount = folder.listFiles().length;
 
-                for (File file : Arrays.asList(folder.listFiles())) {
+                for (File file : folder.listFiles()) {
                     UUID uuid = UUID.fromString(file.getName().substring(0, file.getName().lastIndexOf(".")));
 
                     if (!playerDataCache.containsKey(uuid)) {

src/main/java/jp/azisaba/lgw/kdstatus/sql/PlayerDataSQLController.java

@@ -166,7 +166,7 @@ public boolean save(@NotNull KDUserData data) {
     }
 
     public boolean save(@NotNull KDUserData... data2) {
-        if (data2.length <= 0) {
+        if (data2.length == 0) {
             return true;
         }