java word count

Solutions on MaxInterview for java word count by the best coders in the world

showing results for - "java word count"
Emilie
03 Aug 2017
1package com.company;
2import java.util.*;
3
4public class Main{
5    public static int countWords(String s)
6    {
7        int count=0;
8
9        char ch[]= new char[s.length()];
10        for(int i=0;i<s.length();i++)
11        {
12            ch[i]= s.charAt(i);
13            if( ((i>0)&&(ch[i]!=' ')&&(ch[i-1]==' ')) || ((ch[0]!=' ')&&(i==0)) )
14                count++;
15        }
16        return count;
17    }
18    public static void main(String[] args) {
19        Scanner in = new Scanner(System.in);
20        System.out.print("Give word:");
21        String word = in.nextLine();
22        System.out.println(countWords(word) + " words.");
23    }
24}
Maria
11 Jun 2019
1 public static void main(String[] args)
2    { 
3        //return the number of words in a string 
4        
5       String example = "This is a good exercise"; 
6       
7       int length = example.split(" ").length;
8       
9       System.out.println("The string is " + length + " words long.");
10        
11        
12    }
Kelly
17 Apr 2019
1 String name = "Carmen is a fantastic play"; //arbitrary sentence
2        
3        int numWords = (name.split("\\s+")).length; //split string based on whitespace
4                                                //split returns array - find legth of array
5        
6        System.out.println(numWords);
Sergio
22 Jan 2020
1public static void main(String[] args)
2    { 
3        //Scanner object instantiation 
4        Scanner dude = new Scanner(System.in); 
5       
6       //variable declaration 
7       String string1 = ""; 
8       int count = 0; 
9       boolean isWord = false; 
10       
11       
12       //user prompt and input 
13       System.out.println("Enter in your string"); 
14       string1 = dude.nextLine(); 
15       
16       int endOfLine = string1.length()-1; 
17       char ch [] = string1.toCharArray(); 
18       
19       for (int i = 0; i < string1.length(); i++)
20       { 
21           if(Character.isLetter(ch[i]) && i != endOfLine)
22           {//if character is letter and not end of line
23               isWord = true; //it is part of a word 
24           }  
25           if (!Character.isLetter(ch[i]) && isWord)
26           { //if character is not a letter, and previous 
27             //character is a letter i.e. non-letter is 
28             //preceded by character 
29              count++; //add to word count 
30              isWord = false; //get ready to detect new word  
31           }
32           if (Character.isLetter(ch[i]) && i == endOfLine)
33           { //if character is letter 
34             //and at end of line 
35               count++; //add to word count 
36               isWord = false; 
37           }
38           
39       } 
40       System.out.println("There are " +count+ " words");     
41    }
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