编写一个程序，将a.txt文件中的单词与b.txt文件中的单词交替合并到c.txt文件中，a.txt文件中的单词用回车符分隔，b.txt文件中用回车或空格进行分隔

 1 package sundemo2;
 2
 3 import java.io.File;
 4 import java.io.FileReader;
 5 import java.io.FileWriter;
 6
 7 public class MainClass{
 8     public static void main(String[] args) throws Exception{
 9         FileManager a = new FileManager("E:\\WorkSpace\\SunDemo\\data\\demo\\a.txt",new char[]{‘\n‘});
10         FileManager b = new FileManager("E:\\WorkSpace\\SunDemo\\data\\demo\\b.txt",new char[]{‘\n‘,‘ ‘});
11         FileWriter c = new FileWriter("E:\\WorkSpace\\SunDemo\\data\\demo\\c.txt");
12         String aWord = null;
13         String bWord = null;
14         while((aWord = a.nextWord()) !=null ){
15             c.write(aWord + "\n");
16             bWord = b.nextWord();
17             if(bWord != null)
18                 c.write(bWord + "\n");
19         }
20
21         while((bWord = b.nextWord()) != null){
22             c.write(bWord + "\n");
23         }
24         c.close();
25     }
26 }
27
28 class FileManager{
29     String[] words = null;
30     int pos = 0;
31     public FileManager(String filename,char[] seperators) throws Exception{
32         File f = new File(filename);
33         FileReader reader = new FileReader(f);
34         char[] buf = new char[(int)f.length()];
35         int len = reader.read(buf);
36         String results = new String(buf,0,len);
37         String regex = null;
38         if(seperators.length > 1 ){
39             regex = "" + seperators[0] + "|" + seperators[1];
40         }else{
41             regex = "" + seperators[0];
42         }
43         words = results.split(regex);
44     }
45
46     public String nextWord(){
47         if(pos == words.length)
48             return null;
49         return words[pos++];
50     }
51 }