String .split()方法

package leixifeng;

import java.util.Arrays;
import java.util.Scanner;

public class Email {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        String str = "长亭外 古道边 芳草碧连天 晚风扶 柳笛声残 夕阳山外山";
        System.out.println(str);
        String[] arr = str.split(" ");
        for( int i = 0 ; i < arr.length; i++){
            System.out.println(arr[i]);
        }
    }