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Author: AvinandanBose

ConcurrentHashMapMethods16.java

@@ -0,0 +1,26 @@
+import java.util.concurrent.ConcurrentHashMap;
+
+public class ConcurrentHashMapMethods16 {
+
+    public static void main(String[] args) throws Exception {
+       //reduceEntries​(long parallelismThreshold, Function<Map.Entry<K,​V>,​? extends U> transformer, BiFunction<? super U,​? super U,​? extends U> reducer)
+        ConcurrentHashMap<String, String> map = new ConcurrentHashMap<>();
+        map.put("one", "1");
+        map.put("two", "2");
+        map.put("three", "3");
+        map.put("four", "4");
+        System.out.println("Map:" + map);
+
+        String result = map.reduceEntries(2, (entry) -> {
+            System.out.println("Key:" + entry.getKey() + " Value:" + entry.getValue());
+            return entry.getKey() + entry.getValue();
+        }, (v1, v2) -> {
+            System.out.println("Value1:" + v1 + " Value2:" + v2);
+            return v1 + v2;
+        });
+        System.out.println("Result:" + result);
+    }
+}
+       
+
+