JAVA实现文件遍历

package xiya;

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

public class WinSearch {
private String fileName[];
private int count = 0;
WinSearch(){
fileName = new String[100000];
};

void winSearch(File file){

if(file.isDirectory()){
System.out.println("<" + file.getAbsolutePath() + ">");
fileName[count++] = "<" + file.getAbsolutePath() + ">";
String filename[] = file.list();
for(int i = 0; i < filename.length; i++){
File temp = new File(file.getAbsoluteFile() + "\\" + filename[i]);
if(temp.isDirectory()){
winSearch(temp);
}
else{
System.out.println(filename[i]);
fileName[count++] = filename[i];
}
}
}
else{
System.out.println(file);
fileName[count++] = file.toString();
}
}
public static void main(String[] args) {

//		Scanner cin = new Scanner(System.in);
//		String string = cin.next();
//		File file = new File(string);
//		WinSearch win = new WinSearch();//命令行输入
//		win.WinSearch(file);

WinSearch win = new WinSearch();  //缓冲区输入

File in = new File("D:\\JAVA\\test\\文件遍历\\in.txt");
File out = new File("D:\\JAVA\\test\\文件遍历\\out.txt");
try{
FileReader inOne = new FileReader(in);
BufferedReader inTwo = new BufferedReader(inOne);
String string = null;
while((string=inTwo.readLine()) != null){
win.winSearch(new File(string));
}
inOne.close();
inTwo.close();

FileWriter outOne = new FileWriter(out);
BufferedWriter outTwo = new BufferedWriter(outOne);
for(int i = 0; i < win.count; i++){
outTwo.write(win.fileName[i]);
outTwo.newLine();
}
outOne.flush();//旧版本中没有刷新缓冲区，抛出异常=。=
outTwo.flush();
outOne.close();
outTwo.close();
}
catch (IOException e) {
System.out.println(e);
}
}

}