Computer scienceProgramming languagesJavaWorking with dataIO streams

Input streams

Theory

Count words

Report a typo

Read an input text from the console and print the number of words. By word we mean a sequence of characters separated by one or several spaces.

If the input is empty or there are no characters except spaces, print 0.

Sample Input 1: 

one two three

Sample Output 1: 

3

Sample Input 2: 

between   us  several   space characters

Sample Output 2: 

5
Write a program in Java 17
import java.io.BufferedReader;
import java.io.InputStreamReader;

class Main {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// start coding here
reader.close();
}
}
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