Input sentence and count the number of words in it in Java
String - Question 2
In this question, we will see how to input a sentence and count the number of words in it in Java programming. To know more about string click on the string lesson.
Q2) Write a program in Java to input a sentence and count the number of words in it. Assume that there may be any number of blank spaces between the words.
Program
import java.util.Scanner;
public class Q2
{
public static void main(String args[])
{
String s;
int i,wc=0;
Scanner sc=new Scanner(System.in);
System.out.println("Enter a sentence");
s=sc.nextLine();
for(i=0; i<s.length(); i++)
{
if(i==0 && s.charAt(i)!=' ')
{
wc++;
}
else if(s.charAt(i)==' ' && s.charAt(i+1)!=' ')
{
wc++;
}
}
System.out.println("Total words = "+wc);
}
}Output
Enter a sentence We are free to take our own decision Total words = 8
