Updated list length during deletion.

Author: ayusmand

src/chapter03linkedlists/LinkedList.java

@@ -136,12 +136,16 @@ public synchronized void removeMatched(ListNode node) {
 			return;
 		if (node.equals(head)) { 
 			head = head.getNext(); 
+			// reduce the length of the list
+			length-=1;			
 			return;
 		}
 		ListNode p = head, q = null;
 		while((q = p.getNext()) != null) {
 			if (node.equals(q)) {
 				p.setNext(q.getNext());
+				// reduce the length of the list
+				length-=1;				
 				return;
 			}
 			p = q;