java.io (2) - File class [列出指定目錄下的子目錄與檔案]

package ch12io;
import java.io.File;
import java.io.*;
public class Ex_File2 {
public Ex_File2() {}
public static void main(String[] args) {
String path = "C:/Documents and Settings/gecko/jbproject/TIJ/";
File file = new File(path); //建立路徑之instance
String[] filelist = file.list(); //將檔案清單存成Array
for (int i = 0; i < filelist.length; i++) {
File file2 = new File(path + filelist[i]);//將目錄檔案清單個別建立instance
if(file2.isDirectory())//判斷該instance是否為目錄
System.out.println(filelist[i]+" 是目錄");
else
System.out.println(filelist[i]+" 是檔案");
}
}
}