Answers for "count words in java"

Java

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.");
    }
}

Posted by: Guest on June-06-2021

count the number of words in a string java

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.");
        
        
    }

Posted by: Guest on June-04-2020

how to count words in string in java

String str = "I am happy and why not
  and why are you not happy and you should be";
        String [] arr = str.split(" ");
        Map<String, Integer> map = new HashMap<>();

        for (int i=0 ; i < arr.length ; i++){
                if (!map.containsKey(arr[i])){
                    map.put(arr[i],1);
                } else{
                    map.put(arr[i],map.get(arr[i])+1);
                }
        }
        for(Map.Entry<String, Integer> each : map.entrySet()){

  System.out.println(each.getKey()+" occures " + each.getValue() + " times");
        }

Posted by: Guest on January-22-2021

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