see 07/19 log

utilcode/src/main/java/com/blankj/utilcode/util/CacheUtils.java

@@ -52,7 +52,7 @@ public class CacheUtils {
     public static final int HOUR = 3600;
     public static final int DAY  = 86400;
 
-    private static Map<String, CacheUtils> sCacheMap = new HashMap<>();
+    private static final Map<String, CacheUtils> CACHE_MAP = new HashMap<>();
     private CacheManager mCacheManager;
 
     /**
@@ -131,10 +131,10 @@ public class CacheUtils {
      */
     public static CacheUtils getInstance(@NonNull final File cacheDir, final long maxSize, final int maxCount) {
         final String cacheKey = cacheDir.getAbsoluteFile() + "_" + Process.myPid();
-        CacheUtils cache = sCacheMap.get(cacheKey);
+        CacheUtils cache = CACHE_MAP.get(cacheKey);
         if (cache == null) {
             cache = new CacheUtils(cacheDir, maxSize, maxCount);
-            sCacheMap.put(cacheKey, cache);
+            CACHE_MAP.put(cacheKey, cache);
         }
         return cache;
     }

utilcode/src/main/java/com/blankj/utilcode/util/SPUtils.java

@@ -19,7 +19,7 @@ import java.util.Set;
  */
 public final class SPUtils {
 
-    private static Map<String, SPUtils> sSPMap = new HashMap<>();
+    private static final Map<String, SPUtils> SP_MAP = new HashMap<>();
     private SharedPreferences sp;
 
     /**
@@ -39,10 +39,10 @@ public final class SPUtils {
      */
     public static SPUtils getInstance(String spName) {
         if (isSpace(spName)) spName = "spUtils";
-        SPUtils sp = sSPMap.get(spName);
+        SPUtils sp = SP_MAP.get(spName);
         if (sp == null) {
             sp = new SPUtils(spName);
-            sSPMap.put(spName, sp);
+            SP_MAP.put(spName, sp);
         }
         return sp;
     }