feat(priority queue): Add method of inserting element into the queue

agribeau · agribeau · commit 0bf5a205fd6d · 2018-10-08T13:23:16.000+08:00
diff --git a/src/data_structure/queue/PriorityQueue.java b/src/data_structure/queue/PriorityQueue.java
@@ -79,7 +79,7 @@ public void clear() {
      */
     @Override
     public boolean offer(E e) {
-        return false;
+        return eMinHeap.offer(e);
     }
 
     /**
