stringtokenizer

Package expression;Import java. Io .*;Import java. util .*;Public class expression {Private arraylist expression = new arraylist (); // stores the ordinal expressionPrivate arraylist right = new arraylist (); // stores the right-order

Today, when I read chapter 3 of data-intensive Text Processing with mapreduce, I wrote it to optimize wordcount on the map end. When distributed processing of data-intensive data, an important aspect that affects data processing speed is the

Http://www.softexam.cn/tech/details.asp? Catalogf = 7 & catalogs = 35 & catalogt = 0 & article_id = 10356 Http://www.zdnet.com.cn/developer/code/story/0,2000081534,39312959,00.htm Package com. Startech. fjtbcj. down; Import java. Io .*;Import java.

Total time limit: 1000 ms Memory limit: 65536kb Description Calculate A + B Input Two integer a, B (0 ≤ a, B ≤ 10) Output Output A + B Sample Input 1 2 Sample output

Understanding "music without borders" The main interface of "music without borders" is Eshop. JSP on the jsp page (see Code List 1 ). You will notice that this page serves almost only as a dedicated user interface and does not undertake any

Inverted index:Before we found the file location---Find the wordRight now:Depending on the word, returns the result of which file it appears in, and how often it is.This is like Baidu Search, you enter a keyword, then the Baidu engine quicklyFind

"String" is the object that encapsulates the char[] array, consisting of three parts:1, char array: It is a superset of the string represented by a string object;2, 3, offset, and count, which represents the starting segment of a string object

reproduced StringTokenizer st = new StringTokenizer (agent, ";");St.nexttoken ();Get the user's browser nameString Userbrowser = St.nexttoken ();System.out.println (Userbrowser);Get the user's operating system nameString Useros =st.nexttoken

Recently looking at Google's classic MapReduce paper, the Chinese version can refer to the Meng Yan recommended mapreduce Chinese version of the Chinese translation As mentioned in the paper, the MapReduce programming model is: The

1. Diagram of MapReduce MapReduce Overall flowchartReads the contents of the text in parallel and then makes a mapreduce operationMap process: Read three lines in parallel, map the words to read, each word is generated in formThe reduce operation

This article mainly analyzes the following two points:Directory:1.MapReduce Job Run ProcessProcess of shuffle and sequencing in 2.Map, reduce tasksBody:1.MapReduce Job Run ProcessThe following is a process I draw with visio2010:Process Analysis:1.

Since learning about MapReduce programming has been going on for some time, as a child who is looking for self-confidence and fun in programming and loves programming, the hand has become "itchy" and wants to try a little bit. So I wrote the TOPK

1. Diagram of MapReduce2. Resume Process:Input:Hello World ByeHello Hadoop Bye HadoopBye Hadoop Hello HadoopMAP:Sort:Combine:Reduce:3. code example:[C-sharp]View Plaincopy Package Com.felix; Import java.io.IOException; Import

StrReplace. javapackageforum; importjava. util. *; *** Title: * Description: * Copyright: Copyright (c) 2001 * Company: * @ author * @ version1.0 * publicclassStrReplace {publicStrReplace () {} publicStringstr_replace (Stringfrom, st // //

This article address: http://www.cnblogs.com/archimedes/p/mapreduce-inverted-index.html, reprint please indicate source address.1. Introduction to Inverted IndexThe Inverted index (inverted index), also commonly referred to as a reverse index ,

Importjava.io.IOException;ImportJava.util.StringTokenizer;ImportOrg.apache.hadoop.fs.Path;Importorg.apache.hadoop.io.IntWritable;ImportOrg.apache.hadoop.io.Text;Importorg.apache.hadoop.mapred.JobConf;ImportOrg.apache.hadoop.mapreduce.Job;ImportOrg.ap

Import java. Io. bufferedreader;Import java. Io. filenotfoundexception;Import java. Io. filereader;Import java. Io. ioexception;Import java. util. arrays;Import java. util. comparator;Import java. util. iterator;Import java. util. Map;Import java.

Use JSF During development, it is hard to avoid Session Scope Of Mbean For these Bean , We want it to be retained during operations on the same page and cleared during page Jump. This article introduces an automatic Session .

PHP English word counting device, The example of this article for everyone to share the English word statistics PHP implementation, for your reference, the specific content as follows The program starts to run, press "Browse" button to select an

Import java. util. RegEx. *; // 1.4Import java. util .*; Class split{Public static void main (string [] ARGs) {// String splitting jdk1.4String strtxt = "Jack jia"; // Tab Pattern P = pattern. Compile ("");String [] TXT = P. Split (strtxt );// Or/