标签：methods library Clollections API They 集合 programmer classes

The ArrarList class is in the clollection API （applictation programming interface), whick is a library provided by Java.Most of the API in java.util . This library gives the programmer access to prepackaged data staructures and the methods to manipulate them . The implementations of these container classes are invisible and should not be of concren to the programmer . The code works . And it is reusable .

All of the collections classes ,including ArrayList , hava thefollowing features int commons:

• They are designed to be both memory and run-time efficient.
• They provide methods for insertion and removal of items (i.e., they can grow and shrink).

• They provide for iteration over the entire collection

标签：methods,library,Clollections,API,They,集合,programmer,classes
来源： https://www.cnblogs.com/hzhuxin/p/15706629.html

本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享；
2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关；
3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关；
4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除；
5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。