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1.Solr简介 Solr是一个高性能，采用Java5开发，SolrSolr基于Lucene的全文搜索服务器。同时对其进行了扩展，提供了比Lucene更为丰富的查询语言，同时实现了可配置、可扩展并对查询性能进行了优化，并且提供了一个完善的功能管理界面，是一款非常优秀的全文搜索引擎。 Solr不仅... 阅读全文
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package nju.iip.dao;import java.sql.Connection;import java.sql.DriverManager;import java.util.Map;import java.util.Map.Entry;import java.util.concurre... 阅读全文
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返回将一维数组向右旋转k个位置的结果。比如，一维数组｛1，2，3，4，5｝，k=2时，返回结果是｛4，5，1，2，3｝，要求常数级空间复杂度，允许修改原有数组。/** * 4.数组旋转 **/class solution{ public static int[] reverseArray(in... 阅读全文
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Given an arraynums, write a function to move all0's to the end of it while maintaining the relative order of the non-zero elements.For example, givenn... 阅读全文
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Given two stringssandt, write a function to determine iftis an anagram ofs.For example,s= "anagram",t= "nagaram", return true.s= "rat",t= "car", retur... 阅读全文
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Given an array ofnintegers wheren> 1,nums, return an arrayoutputsuch thatoutput[i]is equal to the product of all the elements ofnumsexceptnums[i].Solv... 阅读全文
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Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process is like:3 + ... 阅读全文
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You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality c... 阅读全文
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Write a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. For examp... 阅读全文
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Write a function to delete a node (except the tail) in a singly linked list, given only access to that node./** * Definition for singly-linked list. *... 阅读全文