Merge pull request wangzheng0822#10 from chinalwb/master

deleteByNode可以提前结束 && deleteByValue 增加可重复删除指定value的代码

java/06_linkedlist/SinglyLinkedList.java

@@ -87,6 +87,7 @@ public void deleteByNode(Node p) {
 
     if (p == head) {
       head = head.next;
+      return;
     }
 
     Node q = head;
@@ -118,6 +119,22 @@ public void deleteByValue(int value) {
     } else {
       q.next = q.next.next;
     }
+
+    // 可重复删除指定value的代码
+    /*
+    if (head != null && head.data == value) {
+    	head = head.next;
+    }
+
+    Node pNode = head;
+    while (pNode != null) {
+    	if (pNode.next.data == data) {
+    		pNode.next = pNode.next.next;
+    		continue;
+    	}
+    	pNode = pNode.next;
+    }
+    */
   }
 
   public void printAll() {