Example usage for java.io File File

Introduction

In this page you can find the example usage for java.io File File.

Prototype

public File(URI uri)

Source Link

Document

Creates a new File instance by converting the given file: URI into an abstract pathname.

Usage

From source file:Main.java

public static void main(String[] args) {
    File f = new File("C:/test.txt");

    boolean bool = f.setWritable(true, false);

    System.out.println(bool);//from w w w  .ja  v a 2s  .  co  m

    bool = f.canWrite();

    System.out.print(bool);

}

From source file:Main.java

public static void main(String[] args) {

    File parent = new File("c:/aFolder");
    File aFile = new File(parent, "aFile.txt");

    System.out.println(aFile);//c:\aFolder\aFile.txt

}

From source file:Main.java

public static void main(String[] args) {
    File oldName = new File("C:/s.txt");
    File newName = new File("C:/d.txt");

    if (oldName.renameTo(newName))
        System.out.println("File has been renamed");
    else//from w  w  w.j ava 2 s  . c  om
        System.out.println("Error renaming the file");
}

From source file:Main.java

public static void main(String[] args) {
    File file = new File("/data");

    if (file.isDirectory()) {
        String[] files = file.list();

        if (files.length > 0) {
            System.out.println("The " + file.getPath() + " is not empty!");
        }/*from  w  w w.  j  a  va  2 s.  com*/
    }
}

From source file:Main.java

public static void main(String[] argv) {
    getFileExtensionName(new File("a.txt"));
}

From source file:Main.java

public static void main(String[] args) {
    File file1 = new File("C:/File/demo1.txt");
    File file2 = new File("C:/FileIO/demo1.txt");

    if (file1.compareTo(file2) == 0) {
        System.out.println("Both paths are same!");
    } else {//from  w  w w  .java2s.c  o  m
        System.out.println("Paths are not same!");
    }
}

From source file:Main.java

public static void main(String[] args) {
    File oldName = new File("C:/s.txt");
    File newName = new File("C:/d.txt");

    if (oldName.renameTo(newName)) {
        System.out.println("renamed");
    } else {/*  w  ww .j  a va2  s  .  co m*/
        System.out.println("Error");
    }
}

From source file:FileDemo.java

public static void main(String args[]) {
    File f1 = new File("/java/COPYRIGHT");
    System.out.println("File Name: " + f1.getName());
    System.out.println("Path: " + f1.getPath());
    System.out.println("Abs Path: " + f1.getAbsolutePath());
    System.out.println("Parent: " + f1.getParent());
    System.out.println(f1.exists() ? "exists" : "does not exist");
    System.out.println(f1.canWrite() ? "is writeable" : "is not writeable");
    System.out.println(f1.canRead() ? "is readable" : "is not readable");
    System.out.println("is " + (f1.isDirectory() ? "" : "not" + " a directory"));
    System.out.println(f1.isFile() ? "is normal file" : "might be a named pipe");
    System.out.println(f1.isAbsolute() ? "is absolute" : "is not absolute");
    System.out.println("File last modified: " + f1.lastModified());
    System.out.println("File size: " + f1.length() + " Bytes");
}

From source file:Main.java

public static void main(String[] args) {
    File f = new File("C:/test.txt");

    // set file as read only
    boolean bool = f.setReadOnly();

    System.out.println("setReadonly() succeeded?: " + bool);

    // checks whether the file is writable
    bool = f.canWrite();//  w w w  .  ja  v  a2 s .  c o m

    System.out.print("Is file writable?: " + bool);

}

From source file:Main.java

public static void main(String[] args) {
    File f = new File("C:/test.txt");

    // set read permission
    boolean bool = f.setReadable(true);

    System.out.println("setReadable() succeeded?: " + bool);

    // checks whether the file is readable
    bool = f.canRead();//from  www  .  ja  v a 2s. c o  m

    System.out.print("Is file readable?: " + bool);

}