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instance.3, Big search car interview spring How to implement the Dependency injection (DI)Reference blog: http://blog.163.com/[email protected]/blog/static/2292852520091125112112902/There are three ways to configure dependency injection for a bean in the spring container:· This is the most common way to inject a setter method that uses attributes;· Using a constructor injection;· Use filed injection (for a

Linked list is often in the interview, this article refers to some other articles, together with the small series of their own summary, the basic algorithm has been tested and optimized.Algorithm Daquan (1) There are also some list problems in the single linked list, which will be sorted out in the future.* REFS:* http://blog.csdn.net/fightforyourdream/article/details/16353519* http://blog.csdn.net/luckyxiaoqiang/article/details/7393134 easy to handle

The list is a kind of problem which often appears in the interview, this article uses the Java to realize the common Link list related topic in the interview. This article mainly refers to the integration rewrite the "easy to handle the interview in the list of the topic" and "Algorithm encyclopedia (1) Single list" two masterpiece. The two implementations of the

Challenge interview programming: Big integer addition, subtraction, multiplication, division, interview integer Challenge interview programming: Big integer addition, subtraction, multiplication, division Everything is limited, even if it seems that infinite time or space is

Address: http://www.csdn.net/article/2014-06-03/2820044-cloud-emc-hadoop Abstract:As a leading global information storage and management product company, EMC recently announced the acquisition of DSSD to strengthen and consolidate its leadership position in the industry, we have the honor to interview Zhang anzhan of EMC China recently. He shared his views on big data, commercial storage, and spark. Speakin

improve Database interview points: MySQL database of several engines, the comparison between different databases Database blocking protocol, various read/write locks Database connection inside Java, driver, etc. SQL statements, Insert,select, truncate, drop, etc. Index, Federated Index, the merits of the self-increment primary key. NoSQL and MongoDB, the concept of redis, its recovery mechanism, two modes (memory sna

Analysis of Web front-end Development Category interview Real topic Big CollectionHTML5 Academy-code Carpenter: the most common problems in the interview sentence pattern is probably "talk about the difference between xxx and xxx" "talk about xxx and xxx different" it ~! Waves's analysis of the problem is coming, quickly open the defense, Deus Ex, to a Jedi count

Big talk Program Ape interview 10 of my favorite questions about the interview with the program Ape Program Ape interview not completely guide 10 Classic C-language interviewing basic algorithms and code 10 great successful interviewing techniques for the program Ape Program Ape Select 8 criter

This is a creation in Article, where the information may have evolved or changed. Gopherchina Conference will be held in 4.15-4.16 in Shanghai, small South Garden Hotel, Gopherchina conference is the largest and most professional go conference, gathered all over the country gopher together to share exchanges, the General Assembly hope that through the exchange of the line, the sharing of lecturers, So that you can understand the current go dynamic, application scenarios, technical details and so

, should use LinkedList, and if you need to quickly randomly access elements, you should use ArrayList.If the program is in a single-threaded environment, or if access is done only in one thread, it is more efficient to consider non-synchronous classes, and if multiple threads may operate on a class at the same time, the synchronized classes should be used.Pay special attention to the operation of the hash table, and the object as key should correctly replicate the Equals and Hashcode methods.Tr

English versionThe following explains the common algorithms and data structures of interviews from a Java perspective: string, List, tree, graph, sort, recursive vs. iteration, dynamic planning, bit manipulation, probability problems, permutation combinations, and some questions that need to be searched for.1. Strings and Arraysstrings and arrays are the most common types of interview topics and should be assigned the maximum time. With regard to stri

Big Brother talk about the information security knowledge in Java interview (MD5)Java MD5 Encryption algorithm introduction and useIntroduction to the MD5 algorithmCharacteristics1、压缩性：任意长度的数据，算出的MD5值长度都是固定的。2、容易计算：从原数据计算出MD5值很容易。3、抗修改性：对原数据进行任何改动，哪怕只修改1个字节，所得到的MD5值都有很大区别。4、强抗碰撞：已知原数据和其MD5值，想找到一个具有相同MD5值的数据（即伪造数据）是非常困难的。Use1.可以用于加密用户密码2.可以用于应用安装包的一致性验证Simple use of MD5public class MessageDigestUtil { pub

Horse Soldier Big Data Architect (1)Link: http://pan.baidu.com/s/1qYTW1m0 Password: LXJDSpring CloudLink: Http://pan.baidu.com/s/1bzG9vK Password: zy2bLink: Http://pan.baidu.com/s/1qXF3eGG Password: 19u9Design and practice of micro-service architectureLink: Http://pan.baidu.com/s/1slNiP5N Password: u6euBEIJING-PK Education Linux Big Data video sharingLink: http://pan.baidu.com/s/1c2Aci6c Password: m7bnStill

14. Implement STRSTR (): Searches for the first occurrence of a string in another stringCases:#include Output: SThe main consideration here is the special case.Code:public class Test {public static string StrStr (string origin, String needle) {int originlen = origin.length (); int Needlele n = needle.length (), if (Needlelen = = Originlen Originlen = = 0) return "", if (Needlelen = = 0) return origin;for (i NT i = 0; i 16. Find the insertion position: given an ordered array and a target value,

20. Looking for a 2D matrixGiven a m*n matrix that increments from left to right from top to bottom, determine if Target is in the matrixCases:[[1, 3, 5, 7],[10, 11, 16, 20],[23, 30, 34, 50]]Target=3Return: TrueIdea: two-point searchCode:public class Test {public static Boolean Searchmatrix (int[][] matrix, int target) {if (Matrix = = NULL | | matrix.length = = 0 | | Matrix[0].length = = 0) return false;int m = matrix.length;int n = matrix[0].length;int begin = 0;int end = m * N-1;while (Begin

PackageCom.swift; Public classDigui_return { Public Static voidMain (string[] args) {/** Recursive algorithm question 2 the first 1 person 10, 2nd than the 1th People's Congress 2 years old, in turn recursive, please use recursion to calculate how big the 8th person? */ intnum = 8; System.out.println ("The 8th person's age is" +Old (num)); } Public Static intOldintnum) { if(num = = 1) { return10; } Else { return

iterate calls the function, return IsMatch (s.substring (1), p.substring (1))When P.charat (1) = = ' * ',。。。PS: There is a problem with the code:http://www.programcreek.com/2012/12/leetcode-regular-expression-matching-in-java/For example, the following code test failed, temporarily did not think of the solution:public class Test {public static Boolean IsMatch (string s, String p) {//Base Caseif (p.length () = = 0) {return s.length () = = 0;} Special Caseif (p.length () = = 1) {//If the length o

(int i = 0; i The second solution is dynamic programming: Establish a two-dimensional table, where t[i][j] is used to denote whether the substring from I to J in the string T is a palindrome (1 is a palindrome and 0 is a non-palindrome).1. Initialize: Set up a two-dimensional matrix with a long width of t.length, and set the diagonal t[i][i] 12. If the 22 adjacent characters are equal, it is also a palindrome, so check the adjacent characters, that is, t[i][i+1] Assignment3. If t[i+1][j-1] = =

　　1, the massive log data, extracts one day to visit Baidu the most times the IP.Solution: The number of IPs is 4 digits from 0 to 256. So he's a 2^32.Scan the log: Directly put all the first number is n in a file n. So we have 256 files.For each small file, he found the most visited IP in Baidu (can be counted as a dictionary). Then get 256 IPs. Find the largest in 256 IPs. Overall efficiency O (N)2. Assume that there are currently 10 million records (these query strings have a high degree of r