//Java program to count words in a string.importjava.util.Scanner;classCountWords{publicstaticvoidmain(Stringargs[]){Stringtext;intcountWords=0;Scanner SC=newScanner(System.in);System.out.print("Enter string: ")
You can easily count the number of words in a string with the following example:ExampleGet your own Java Server String words = "One Two Three Four"; int countWords = words.split("\\s").length; System.out.println(countWords); Try it Yourself » ...
Learn how to count the number of words in a given string using Java programming. This tutorial provides step-by-step guidance with code examples.
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(...
importjava.util.HashMap;publicclassCountUsingMap{publicstaticvoidmain(String[]args){String[]words={"apple","banana","apple","orange","banana","apple"};HashMap<String,Integer>countMap=newHashMap<>();for(Stringword:words){countMap.put(word,countMap.getOrDefault(word,0)+1);}for(Stringword...
words=currentLine.split(" "); for(String word:words){ //去掉空格,和空字符 if(!word.equals(" ")&&!word.equals("")){ num++; } } } bw.write(fileName+","+"单词数"+":"); bw.write(num.toString()); br.close(); bw.close(); return num; } public static int lineNum(String fil...
javaRDD(); JavaRDD<String> words = lines.flatMap(s -> Arrays.asList(SPACE.split(s)).iterator()); JavaPairRDD<String, Integer> ones = words.mapToPair(s -> new Tuple2<>(s, 1)); JavaPairRDD<String, Integer> counts = ones.reduceByKey((i1, i2) -> i1 + i2); List<Tuple2...
Given a sentence and we have to count total number of words using Java program. Example Input sentence: "I love programming"Output:Number of letters: 3 In this code we have one input: A string input (It will be a sentence entered by the user which needs to be checked). ...
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import java.io.*; public class WordCount { private static void linecount(String fName, BufferedReader in ) throws IOException { long numChar = 0; long numLine = 0; long numWords = 0; String line; do { line = in .readLine(); if (line != null) { numChar += line...