Kotlin program to count the number of words in a string

Kotlin | Counting words in a string: Here, we are going to learn how to count the total number of words in a given string in Kotlin programming language?
Submitted by IncludeHelp, on April 27, 2020

Given a string, we have to count the total number of words in it.

Example:

    Input:
    string = "IncludeHelp Tutorials"

    Output:
    Total number of words: 2

Program to count the number of words in a string in Kotlin

package com.includehelp.basic

import java.util.*

/**
 * Method to count no. of words in provided String
 */
fun countWords(inputString: String): Int {
    //Split String by Space
    val strArray = inputString.split(" ".toRegex()).toTypedArray() // Spilt String by Space
    val sb = StringBuilder()
    var count = 0

    //iterate String array
    for (s in strArray) {
        if (s != "") {
            //Increase Word Counter
            count++
        }
    }
    return count
}

//Main function, entry point of program
fun main(args: Array<String>) {
    //Input Stream
    val sc = Scanner(System.`in`)

    //Input String Value
    println("Enter String : ")
    val str: String = sc.nextLine()

    //Print words Count in a String
    println("No. of Words in String : " + countWords(str))
}

Output

RUN 1:
Enter String :
Includehelp Inda Pvt Ltd
No. of Words in String : 4
---
Run 2:
Enter String :
Corona Virus APndimic in India
No. of Words in String : 5

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