Problem G: 单词分隔

Description

从键盘输入一段英文，将其中的英文单词分离出来：已知单词之间的分隔符包括空格，问号、句号(小数点)和分号。 

Input

输入一行字符串 （字符不超过1000）

Output

将分割后的单词按行输出

Sample Input

There are apples; oranges and peaches on the table.

Sample Output

Thereareapplesorangesandpeachesonthetable

import java.util.Scanner;

public class Main {

     public static void main(String[] args) {

         Scanner cin = new Scanner(System.in);

         String str = cin.nextLine();

         String arr[] = str.split(" ");

         for (String tmp : arr) {

             String ch = tmp.replaceAll("[^A-Za-z0-9_]", "");

             System.out.println(ch);

         }

     }

}