WordCount.java

package com.sarvesh.javabasics;
import java.util.Scanner;

public class WordCount {
 public static void main(String[] args) {
 Scanner sc = new Scanner(System.in);

 System.out.print("Enter a sentence: ");
 String str = sc.nextLine();

 int count = 0;
 for(int i=0;i<str.length();i++) {
 if(str.charAt(i) != ' '&& (i==0||str.charAt(i-1)==' ')) {
 count++;
 }
 }
 System.out.println("Words = " + count);
 sc.close();
 }
}