[squid:S2293] The operator ("<>") should be used.

src/main/java/org/elasticsearch/index/analysis/RedisHanlder.java

@@ -22,7 +22,7 @@
 public class RedisHanlder {
     private static ESLogger logger = Loggers.getLogger("sting2int");
     private JedisPool jPool;
-    private static HashMap<String, RedisHanlder> instance = new HashMap<String, RedisHanlder>();
+    private static HashMap<String, RedisHanlder> instance = new HashMap<>();
     private boolean local_mem_cache = true;
     private boolean useLruCache = true;
     private int capicity = 100000;
@@ -52,9 +52,9 @@ static RedisHanlder getInstance(String redis_server, int redis_port, boolean loc
         }
 
         if (useLruCache) {
-            local_lru_cache = new ConcurrentHashMap<String, LruCache<String, Integer>>();
+            local_lru_cache = new ConcurrentHashMap<>();
         } else {
-            local_cache = new ConcurrentHashMap<String, ConcurrentHashMap<String, Integer>>();
+            local_cache = new ConcurrentHashMap<>();
         }
 
         RedisHanlder hanlder = new RedisHanlder(redis_server, redis_port, local_mem_cache, useLruCache);
@@ -110,11 +110,11 @@ private void set_local_cache(String redis_key, String item, Long value) {
             lock.lock();
             try {
                 if (useLruCache) {
-                    ConcurrentLruCache<String, Integer> lruCache = new ConcurrentLruCache<String, Integer>(capicity, ttl, initialCapicity);
+                    ConcurrentLruCache<String, Integer> lruCache = new ConcurrentLruCache<>(capicity, ttl, initialCapicity);
                     lruCache.put(item, value2);
                     local_lru_cache.put(redis_key, lruCache);
                 } else {
-                    ConcurrentHashMap<String, Integer> localCache = new ConcurrentHashMap<String, Integer>();
+                    ConcurrentHashMap<String, Integer> localCache = new ConcurrentHashMap<>();
                     localCache.put(item, value2);
                     local_cache.put(redis_key, localCache);
                 }

src/test/java/org/elasticsearch/index/analysis/LrucacheTests.java

@@ -66,13 +66,13 @@ public synchronized int usedEntries() {
          * @return a <code>Collection</code> with a copy of the cache content.
          */
         public synchronized Collection<Map.Entry<K,V>> getAll() {
-            return new ArrayList<Map.Entry<K,V>>(map.entrySet()); }
+            return new ArrayList<>(map.entrySet()); }
 
     } // end class LRUCache
     @Test
     public void testLrc(){
 
-        LRUCache<String,String> c = new LRUCache<String, String>(3);
+        LRUCache<String,String> c = new LRUCache<>(3);
         c.put ("1", "one");                           // 1
         c.put ("2", "two");                           // 2 1
         c.put ("3", "three");                         // 3 2 1