File类中的方法实现

来源：互联网发布：js函数数组参数传递编辑：程序博客网时间：2024/06/05 07:07
public class File {    public static void main(String[] args) {        File file = new File("E:\\kankan\\XMPCache");        File absoluteFile = file.getAbsoluteFile();        System.out.println("getAbsoluteFile:" + absoluteFile);        String AbsPath = file.getAbsolutePath();        System.out.println("getAbsolutePath:" + AbsPath);        String path = file.getPath();        System.out.println("getPath:" + path);        File parentFile = file.getParentFile();        File parentFile1 = parentFile.getParentFile();        System.out.println("父类文件parentFile:" + parentFile);        System.out.println("父类的父类文件parentFile1：" + parentFile1);        File[] files = file.listFiles();        System.out.println("=============");        for (File f: files) {            System.out.println("listFiles:" + f.getName());            System.out.println("是否是隐藏文件:" + f.isHidden());            System.out.println("是否是绝对路径名:" + f.isAbsolute());        }        System.out.println("==============");        File[] root = file.listRoots();        for (File f : root) {            System.out.println("listRoots:" + f);            System.out.println("listRoots:" + f.getName());        }        System.out.println("===========");    }}
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