Both Arrays and Linked List can be used to store linear data of similar types, but they both have some advantages and disadvantages over each other. Following are the points in favour of Linked Lists. (1) The size of the arrays is fixed: So we must k…

由于网上有朋友对于这个问题已经有了很详细的研究,所以我就不班门弄斧了: 转载于:http://android-performance.com/android/2014/02/10/android-sparsearray-vs-hashmap.html http://liuzhichao.com/p/832.html http://www.codes51.com/article/detail_163576.html 源码: /* * Copyright (C) 2006 The Android O…

references: http://www.javaperformancetuning.com/articles/randomaccess.shtml http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist LinkedList and ArrayList are two different implementations of the List interface. LinkedList…

The C5 Generic Collection Library for C# and CLI https://github.com/sestoft/C5/ The C5 Generic Collection Library C5 is a library of generic collection classes for C# and other CLI languages and works with Microsoft .Net version 2.0 and later, and Mo…

给Lisp程序员的Python简介 作者:Peter Norvig,译者:jineslong<zzljlu@gmail.com> 这是一篇为Lisp程序员写的Python简介(一些Python程序员告诉我,这篇文章对他们学习Lisp也有帮助,尽管这不是我的本意).基本上,Python可以看作一个拥有"传统"语法(Lisp社区称之为"中缀"或者"m-lisp"语法)的Lisp方言.一个来自comp.lang.python的帖子说到&qu…

I'll be sitting for an Amazon interview in 3 months. Which website should I use to practice: SPOJ, HackerRank, HackerEarth, CodeChef, Codeforces, or UVA?   Answer Request Follow231 Comment Share Downvote                             Promoted by Hired.…

[Description] find the k-th node from the last node of single linked list. e.g. Linked-list: 1-2-3-4-5-6-7-8-9  the last 4th node is: 6 [Thought] using two node point which are separated by k-2 nodes and moving them together. O(n) [Implementation] C…

List概括 先回顾一下List在Collection的框架图: 从图中可以看出: List是一个接口,他继承Collection接口,代表有序的队列. AbstractList是一个抽象类, ,它继承与AbstractCollection.AbstractList实现了List接口中除了size().get(int location)之外的方法. AbstractSequentialList是一个抽象类,它继承与AbstrctList.AbstractSequentialList实现了"链表中…

Access: Random / Sequential 1. Array element can be randomly accessed using index 2. Random access for element of linked list costs O(n) time 3. Generally, in linked list, elements are accessed sequentially Memory Structure 1. Elements of array is st…

489. Convert Array List to Linked List Convert an array list to a linked list. Example Example 1: Input: [1,2,3,4], Output: 1->2->3->4->null 定义两空指针,一个用来返回整个链表,一个用来创建新节点. 新创建的节点作为当前p的next节点,再把p重新指向新创建的节点. public ListNode toLinkedList(List<In…