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2018爱奇艺Java开发实习生面筋总共15道选择题，3道编程题。我感觉选择题是比较难的。 这是第二道编程题.我的解法如下(AC)：
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2018京东Java开发实习生一面
面试官是无人店组的，说实话我还挺喜欢的。但是估计凉了。 两分钟自我介绍问了mvc观察者模式是怎样的如何通知observers，它的uml图的关系...
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LeetCode323. Number of Connected Components in an Undirected Graph
Given n nodes labeled from 0 to n - 1 and a list of undirected edges (ea...
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LeetCode547. Friend Circles
There are N students in a class. Some of them are friends, while some ar...
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美图2018安卓开发实习生笔试题（回忆）
选择和填空题 考察知识点： Java的copy by reference Java的线程安全相关知识 Java的try catch final知...
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LeetCode439. Ternary Expression Parser
Given a string representing arbitrarily nested ternary expressions, calc...
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LeetCode104.Maximum Depth of Binary Tree
Given a binary tree, find its maximum depth. The maximum depth is the nu...
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Leetcode112.Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf ...
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110.Balanced Binary Tree
Given a binary tree, determine if it is height-balanced. For this proble...