把一个文本中的数据读到另外个文本中

import java.io.BufferedReader;   
import java.io.File;     
import java.io.FileOutputStream;   
import java.io.FileReader;   
import java.io.IOException;
import java.io.PrintWriter;   
  
public class Test {   
  
    public static void main(String[] args) throws IOException {   
        BufferedReader in = null;   
        String line;   
        PrintWriter write = null;   
        try{   
            in = new BufferedReader(new FileReader(new File(("d:\\navy/yinWord.txt"))));   
            write = new PrintWriter(new FileOutputStream("d:\\navy/b.txt"));   
            line = in.readLine();   
            while(line!=null){   

                write.println(line);   
                line = in.readLine();   
                }   
            }catch (Exception e) {   
               e.printStackTrace();
        } 
        in.close();
        write.close();
    }   
       
  
}