Cycle-06. Count the number of words in a line of text (15)

Source of the topic:
Cycle-06. Count the number of words in a line of text (15) time limit MS
Memory Limit 65536 KB
Code length limit 8000 B
Procedures for the award of questions StandardAuthor Zhang Tong Hongyu (Zhejiang University)

This topic requires a program to count the number of words in a line of characters. The so-called "word" refers to a continuous string without spaces, separated by a space between the words, the number of spaces can be multiple.

Input format:

The input gives a line of characters.

Output format:

Outputs the number of words in a row.

Input Sample:

Let's go to the 209.

Sample output:

5

Code:

Import Java.io.ioexception;import java.text.decimalformat;import Java.text.parseexception;import Java.util.Scanner  ;p Ublic class Main {public  static void Main (string[] args) throws ParseException, IOException {          Scanner Scanner = New Scanner (system.in);    String str = scanner.nextline (). Trim ();    Very important, if the console input is all spaces, need special handling if    (Str.equals ("))    System.out.println (0);    else    {     string[] STRs = str.split ("+");     System.out.println (Strs.length);}}}                        

Cycle-06. Count the number of words in a line of text (15)