Fixed compilation erros in Java 7

myui · Sep 6, 2016 · 3cc0c54 · 3cc0c54
1 parent 444e6a6
commit 3cc0c54
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/core/src/main/java/hivemall/utils/collections/DoubleRingBuffer.java b/core/src/main/java/hivemall/utils/collections/DoubleRingBuffer.java
@@ -139,6 +139,11 @@ public Double next() {
             return d;
         }
 
+        @Override
+        public void remove() {
+            throw new UnsupportedOperationException();
+        }
+
     }
 
 }
diff --git a/core/src/main/java/hivemall/utils/collections/RingBuffer.java b/core/src/main/java/hivemall/utils/collections/RingBuffer.java
@@ -71,7 +71,7 @@ public RingBuffer<T> add(final T x) {
         }
         return this;
     }
-    
+
     @Nullable
     public T head() {
         return ring[head];
@@ -146,6 +146,11 @@ public T next() {
             return d;
         }
 
+        @Override
+        public void remove() {
+            throw new UnsupportedOperationException();
+        }
+
     }
 
 }