1//"-w"操作:传入一个文件路径,返回该文件的词数2publicstaticString getWordsCount(String filePath)throwsIOException {3File file =newFile(filePath);4intwordsCount = 0;5String str =null;6//装饰模式,使其获得多功能7FileReader fileReader =newFileReader(file);8BufferedReader reader =newBufferedReader(...
public static void main(String[] args) { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String currentCommand = null; String[] commands = null; while (true) { try { //判断命令是否为空 if ((currentCommand = br.readLine()) != null) { commands = currentComman...
importjava.io.File;importjava.io.IOException;importjava.nio.file.Files;publicclassMain{publicstaticvoidmain(String[]args){try{Filefile=newFile("sample.txt");Stringtext=newString(Files.readAllBytes(file.toPath()));intwordCount=WordCount.countWords(text);System.out.println("Total words in file: "...
Java代码 1 import com.spire.doc.*; public class WordCount { public static void main(String[] args) { //加载Word文档 Document document = new Document(); document.loadFromFile...
运行Word count 报错 Exception in thread "main" java.lang.UnsatisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$Windows.access0 (Ljava/lang/String;I) Z ? nn1.hadoop:8088 页面中的 user metrics for dr.who 的作用是什么? 分类下其他主题 ?hive 镜像 的 MySQL 操作行 怎么打开 S ?hiv...
JavaPairRDD countData = wordsFromFile.mapToPair(t -> new Tuple2(t, 1)).reduceByKey((x, y) -> (int) x + (int) y); countData.saveAsTextFile("CountData"); } public static void main(String[] args) { if (args.length == 0) { ...
exit(1); } String input_path = args[0]; String output_path = args[1]; int n_threads = Integer.parseInt(args[2]); SparkSession spark = SparkSession.builder() .appName("WordCount") .master(String.format("local[%d]", n_threads)) .getOrCreate(); JavaRDD<String> lines = spark....
java 写入word 饼状图 java饼状图如何实现 首先导入依赖: 1、 在Project目录下的build.gradle中添加如下所示的代码: allprojects { repositories { google() jcenter() maven { url "https://jitpack.io" } } } 1. 2. 3. 4. 5. 6. 7.
cn.edu.nuc.map; import java.util.HashMap; import java.util.Map; public class Test2 { /** * 统计字符串中字符出现的次数...设置value为1 * 4.遍历map 查看统计结果 * @param args */ public static void main(String[] args)...map1.keySet()) { System.out.println(string+" "+map1....
WordCount.java代码如下: import java.io.IOException; import java.util.StringTokenizer; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.Text; import org.apache...