blocks|key|494030|text|我不确定这是不是很复杂(它的目的是作为面试问题)，但它是一个关于集合的问题集合(我过去在面试开发人员职位时使用过它)。：http://www.interview-questions-java.com/java-collections.htm。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|494031|entityMap|0|LINK|mutability|MUTABLE|url|http://www.interview-questions-java.com/java-collections.htm^0|1O|1O|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<p>I'm not sure this is very complex (it's meant to serve as interview questions), but it's a decent collection of questions on collections (I've used it in the past when interviewing people for developers positions).. :
<a href="http://www.interview-questions-java.com/java-collections.htm" rel="nofollow noreferrer">http://www.interview-questions-java.com/java-collections.htm</a> . </p>


blocks|key|2405924|text|Official+Java+Collections+Tutorial|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2405925|entityMap|0|LINK|mutability|MUTABLE|url|http://java.sun.com/docs/books/tutorial/collections/index.html^0|0|Y|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<p><a href="http://java.sun.com/docs/books/tutorial/collections/index.html" rel="nofollow noreferrer">Official Java Collections Tutorial</a></p>


blocks|key|2401200|text|官方指南|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2401201|2401202|The+Java+Tutorial's+Collections+trail+(由J.+Bloch)|unordered-list-item|offset|length|2401203|The+Java+SE+Collections-Related+APIs+and+Developer+Guides|2401204|编写|2401205|书籍|2401206|2401207|Effective+Java+(J.Bloch也是！)包含一些与Collections.|2401208|Discursive's相关的implemented.|2401209|+Common+Java+Cookbook包含一些有趣的示例。|2401210|其他|2401211|2401212|StackOverflow's+"collections"-tagged+questions|2401213|Project+Euler+(问题通常涉及到数据结构的使用，因此进行这种类型的练习将迫使您很好地了解它们)|2401214|2401215|entityMap|0|LINK|mutability|MUTABLE|url|http://docs.oracle.com/javase/tutorial/|1|http://docs.oracle.com/javase/tutorial/collections/index.html|2|http://docs.oracle.com/javase/7/docs/technotes/guides/collections/index.html|3|http://java.sun.com/docs/books/effective/|4|http://www.discursive.com/|5|http://www.discursive.com/books/cjcook/reference/collections.html|6|https://stackoverflow.com/|7|https://stackoverflow.com/questions/tagged/collections|8|http://projecteuler.net/^0|0|0|0|H|0|K|H|1|0|0|1L|2|0|0|0|0|0|E|3|0|0|A|4|0|1|K|5|0|0|0|0|D|6|H|T|7|0|0|D|8|0|0^^$0|@$1|2|3|4|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1R|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1S|8|@]|9|@$F|1T|G|1U|1|1V]|$F|1W|G|1X|1|1Y]]|A|$]]|$1|H|3|I|5|E|7|1Z|8|@]|9|@$F|20|G|21|1|22]]|A|$]]|$1|J|3|K|5|6|7|23|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|24|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|25|8|@]|9|@]|A|$]]|$1|O|3|P|5|E|7|26|8|@]|9|@$F|27|G|28|1|29]]|A|$]]|$1|Q|3|R|5|E|7|2A|8|@]|9|@$F|2B|G|2C|1|2D]]|A|$]]|$1|S|3|T|5|6|7|2E|8|@]|9|@$F|2F|G|2G|1|2H]]|A|$]]|$1|U|3|V|5|6|7|2I|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|2J|8|@]|9|@]|A|$]]|$1|X|3|Y|5|E|7|2K|8|@]|9|@$F|2L|G|2M|1|2N]|$F|2O|G|2P|1|2Q]]|A|$]]|$1|Z|3|10|5|E|7|2R|8|@]|9|@$F|2S|G|2T|1|2U]]|A|$]]|$1|11|3|-4|5|6|7|2V|8|@]|9|@]|A|$]]|$1|12|3|-4|5|6|7|2W|8|@]|9|@]|A|$]]]|13|$14|$5|15|16|17|A|$18|19]]|1A|$5|15|16|17|A|$18|1B]]|1C|$5|15|16|17|A|$18|1D]]|1E|$5|15|16|17|A|$18|1F]]|1G|$5|15|16|17|A|$18|1H]]|1I|$5|15|16|17|A|$18|1J]]|1K|$5|15|16|17|A|$18|1L]]|1M|$5|15|16|17|A|$18|1N]]|1O|$5|15|16|17|A|$18|1P]]]]

<h2>The Official Guides</h2>

<ul>
<li><a href="http://docs.oracle.com/javase/tutorial/" rel="nofollow noreferrer">The Java Tutorial</a>'s <a href="http://docs.oracle.com/javase/tutorial/collections/index.html" rel="nofollow noreferrer">Collections trail</a> (written by J. Bloch)</li>
<li><a href="http://docs.oracle.com/javase/7/docs/technotes/guides/collections/index.html" rel="nofollow noreferrer">The Java SE Collections-Related APIs and Developer Guides</a></li>
</ul>

<h2>Books</h2>

<ul>
<li><p><a href="http://java.sun.com/docs/books/effective/" rel="nofollow noreferrer">Effective Java</a> (by J. Bloch too!) contains a few nuggets that relate to Collections.</p></li>
<li><p><a href="http://www.discursive.com" rel="nofollow noreferrer">Discursive</a>'s <a href="http://www.discursive.com/books/cjcook/reference/collections.html" rel="nofollow noreferrer">Common Java Cookbook</a> contains some interesting examples. Though some use 3rd party libraries, they still capture the essence of waht you can do with Collections and how they are implemented.</p></li>
</ul>

<h2>Others</h2>

<ul>
<li><a href="https://stackoverflow.com/">StackOverflow</a>'s "<a href="https://stackoverflow.com/questions/tagged/collections">collections"-tagged questions</a></li>
<li><a href="http://projecteuler.net/" rel="nofollow noreferrer">Project Euler</a> (the problems often involve the use of data-structures, so doing this type of exercises will force you to get to know them pretty well)</li>
</ul>


blocks|key|5685280|text|The+Java+Developers+Almanac。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5685281|entityMap|0|LINK|mutability|MUTABLE|url|http://www.exampledepot.com/^0|0|R|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<p><a href="http://www.exampledepot.com/" rel="nofollow noreferrer">The Java Developers Almanac</a>.</p>


blocks|key|3573105|text|Java+Data+Structures|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3573106|entityMap|0|LINK|mutability|MUTABLE|url|http://www.theparticle.com/javadata2.html^0|0|K|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<p><a href="http://www.theparticle.com/javadata2.html" rel="nofollow noreferrer">Java Data Structures</a></p>


blocks|key|3573293|text|尽管Bloch`s的有效Java处理了Java+Collections，但它没有Java+Generics+and+Collections那么彻底。如果你能把它们结合起来，那就更好了。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3573294|entityMap|0|LINK|mutability|MUTABLE|url|https://rads.stackoverflow.com/amzn/click/com/0596527756^0|14|T|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<p>Although Bloch`s Effective Java treats Java Collections, it is not as thorough as <a href="https://rads.stackoverflow.com/amzn/click/com/0596527756" rel="nofollow noreferrer" rel="nofollow noreferrer">Java Generics and Collections</a>. If you can combine them, all the better.</p>


<p>Java collections are invaluable tool in exchanging data between database and service layer. We have various cases of a HashMap, ArrayList, a HashMap of arraylists etc.</p>

<p>I'm looking for programming samples, that contain a lot of exercise from simple to complex to deal with collections. It need not have answers/sample codes, just a variety of difficult questions would be enough.</p>

<p>Anyone know of any such website? </p>


Java collections brain teasers

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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Java集合是在数据库和服务层之间交换数据的宝贵工具。我们有各种情况下的HashMap，ArrayList，数组列表的HashMap等。我正在寻找编程示例，这些示例包含从简单到复杂的大量练习来处理集合。它不需要有答案/示例代码，只要各种困难的问题就足够了。有谁知道这样的网站吗？

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