步骤2:中文分词处理 // 使用分词工具进行中文分词String[]words=text.toString().split(" "); 1. 2. 步骤3:统计词频 Map<String,Integer>wordFreq=newHashMap<>();for(Stringword:words){if(wordFreq.containsKey(word)){wordFreq.put(word,wordFreq.get(word)+1);}else{wordFreq.put(word,1);}} 1....
public class WordsCountReducer extends Reducer<Text, IntWritable, Text, IntWritable> { @Override protected void reduce(Text key, Iterable<IntWritable> words, Reducer<Text, IntWritable, Text, IntWritable>.Context context) throws IOException, InterruptedException { int frequencyForCountry = 0; for (IntWrit...
Java program to count words in a given string - A string is a class in Java that stores a series of characters enclosed within double quotes. Those characters act as String-type objects. The aim of this article is to write Java programs that count words
Book Word Counter is a Java program that counts the frequency of each word in a book and allows users to query for the count of specific words. The program uses a Map data structure, enabling it to search for words in O(1) time complexity, making it super fast. Features Search for th...
Here is the Java program to find the duplicate word which has occurred a maximum number of times in a file. You can also print the frequency of words from highest to lowest because you have the Map, which contains the word and their count in sorted order. All you need to do is iterat...
Java Program to count the total number of characters in a string Java Program to count the total number of characters in a string 2 Java Program to count the total number of punctuation characters exists in a String Java Program to count the total number of vowels and consonants in a string...
Count word frequency In the following example, we count the frequency of words in the text file. Main.java import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.util.HashMap; import java.nio.charset.StandardCharsets; ...
In other words, mainclass can be used when it is not specified by the module, or to override the value when it is specified. See Standard Options for Java. source-file Only used to launch a single source-file program. Specifies the source file that contains the main class when using...
No provision is made to pass any additional options to the compiler, such as-processoror-Werror. Command-line argument files (@-files) may be used in the standard way. Long lists of arguments for either the VM or the program being invoked may be placed in files specified on the command...