java word count

package com.company; import java.util.*; public class Main{ public static int countWords(String s) { int count=0; char ch[]= new char[s.length()]; for(int i=0;i<s.length();i++) { ch[i]= s.charAt(i); if( ((i>0)&&(ch[i]!=' ')&&(ch[i-1]==' ')) || ((ch[0]!=' ')&&(i==0)) ) count++; } return count; } public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Give word:"); String word = in.nextLine(); System.out.println(countWords(word) + " words."); } }

public static void main(String[] args) { //return the number of words in a string String example = "This is a good exercise"; int length = example.split(" ").length; System.out.println("The string is " + length + " words long."); }

String name = "Carmen is a fantastic play"; //arbitrary sentence int numWords = (name.split("\\s+")).length; //split string based on whitespace //split returns array - find legth of array System.out.println(numWords);

count word in string no matter the delimiter java

public static void main(String[] args)
    { 
        //Scanner object instantiation 
        Scanner dude = new Scanner(System.in); 
       
       //variable declaration 
       String string1 = ""; 
       int count = 0; 
       boolean isWord = false; 
       
       
       //user prompt and input 
       System.out.println("Enter in your string"); 
       string1 = dude.nextLine(); 
       
       int endOfLine = string1.length()-1; 
       char ch [] = string1.toCharArray(); 
       
       for (int i = 0; i < string1.length(); i++)
       { 
           if(Character.isLetter(ch[i]) && i != endOfLine)
           {//if character is letter and not end of line
               isWord = true; //it is part of a word 
           }  
           if (!Character.isLetter(ch[i]) && isWord)
           { //if character is not a letter, and previous 
             //character is a letter i.e. non-letter is 
             //preceded by character 
              count++; //add to word count 
              isWord = false; //get ready to detect new word  
           }
           if (Character.isLetter(ch[i]) && i == endOfLine)
           { //if character is letter 
             //and at end of line 
               count++; //add to word count 
               isWord = false; 
           }
           
       } 
       System.out.println("There are " +count+ " words");     
    }

Posted by: Guest on June-10-2020

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