src/java.base/share/classes/java/io/ExpiringCache.java

@@ -62,11 +62,11 @@
     }
 
     @SuppressWarnings("serial")
     ExpiringCache(long millisUntilExpiration) {
         this.millisUntilExpiration = millisUntilExpiration;
-        map = new LinkedHashMap<String,Entry>() {
+        map = new LinkedHashMap<>() {
             protected boolean removeEldestEntry(Map.Entry<String,Entry> eldest) {
               return size() > MAX_ENTRIES;
             }
           };
     }