java String Tokens

https://www.hackerrank.com/challenges/java-string-tokens/problem?isFullScreen=true

Java String Tokens | HackerRank

 

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String s = scan.nextLine().trim();
        if(s.length() <= 0 ){
              System.out.println("0");
        }else{
            // Write your code here.
            String[] arr = null;
            arr = s.split("[ !,?._'@]+");
            System.out.println(arr.length);
            for(int i=0; i < arr.length; i++){
                System.out.println(arr[i]);
            }
        }
        scan.close();
    }
}

 

// Write your code here.  아래 부분만 작성했다가 tc보고 

trim()추가하고 

9번 tc가 input값이 아예없는 거 확인하고 s.length가 0일 때 추가함..

 

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https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#split-java.lang.String-

String (Java Platform SE 8 )