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其实真的没想到，自己当初为了帮助自己刷题复习写的博客，能帮助这么多人 大家的消息还有comments我没有一一回复，我表示非常抱歉，因为当找到工作后，就想赶紧换换脑子，休息休息。。就把这个博客荒了，结果没想到一直慌到了现在。。 现在再回头看看，当时自己整理的确实挺用心的，不过那时候leetcode只 阅读全文
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转载自：http://www.importnew.com/7099.html HashMap的工作原理是近年来常见的Java面试题。几乎每个Java程序员都知道HashMap，都知道哪里要用HashMap，知道Hashtable和HashMap之间的区别，那么为何这道面试题如此特殊呢？是因为这道题考... 阅读全文
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“Long is a class. long is a primitive. That means Long can be null, where long can't. Long can go anywhere that takes an Object, long can't (since... 阅读全文
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In an extremely rough and simplified sketch, assuming the simplest possibleHTTP request, no proxies and IPv4 (this would work similarly fo... 阅读全文
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题目：Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).Find the minimum elemen... 阅读全文
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Reference：http://blog.csdn.net/v_july_v/article/details/18312089 http://leetcode.com/2011/07/lowest-common-ancestor-of-a-binary-tree-part-ii.html(1) ... 阅读全文
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转自：http://intearview.com/post/2010/04/04/Ranganathgs-interview-at-google-company.aspxYou have 15 horses that run various speeds. You own a race track ... 阅读全文
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转载自：http://stackoverflow.com/questions/9192309/the-main-difference-between-java-cC++ supports pointers whereas Java does not pointers. But when many ... 阅读全文
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The Utopian tree goes through 2 cycles of growth every year. The first growth cycle occurs during the monsoon, when it doubles in height. ... 阅读全文
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1packagepractice;2//http://introcs.cs.princeton.edu/java/92symbolic/Polynomial.java.html3/************************************************************... 阅读全文