i/o File

package com.xuexi.IO;

import java.io.File;
import java.io.IOException;

public class FileTest {

    public static void main(String[] args) {
        File file = new File("E:","2016.txt");
        System.out.println("文件存在吗？"+file.exists());
        System.out.println("文件隐藏看吗？"+file.isHidden());
        System.out.println("文件可读吗？"+file.canRead());
        System.out.println("文件可写吗？"+file.canWrite());
        System.out.println("文件名？"+file.getName());
        System.out.println("文件长度？"+file.length());
        System.out.println("文件绝对路径？"+file.getAbsolutePath());
        System.out.println("文件相对路径？"+file.getPath());
        System.out.println("是目录吗？"+file.isDirectory());
        //file.deleteOnExit(); 删除文件
        File file2 = new File(".");
        File[] name = file2.listFiles();
        for(int i = 0;i<name.length;i++){
            System.out.println(name[i]);
        }
        File file3 = new File("E:\JAVA\com.xuexi.mianxiang\src\com\xuexi\IO");
        String[] name1 = file3.list();
        System.out.println("开始遍历");
        for(String string:name1){
            System.out.println(string);
        }
        //若当前路径下有此文件则返回FALSE，否则创建一个空文件返回TRUE
        /*try {
            boolean m=file.createNewFile();
            System.out.println(m);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }*/
    /*    boolean n = file.mkdir();//创建一个文件夹
        System.out.println(n);*/
        boolean k = file.mkdirs();
        System.out.println(k);
        //执行可执行文件
        /*Runtime runtime = Runtime.getRuntime();
        File file4 = new File("D:\VC98\Bin","MSDEV");
        try{
            runtime.exec(file4.getAbsolutePath());
        }catch( IOException e){
            e.printStackTrace();
        }*/

    }

}