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");

    // returns true if the file can be read
    boolean bool = f.canRead();

    System.out.print("File can be read: " + bool);

}

From source file:Main.java

public static void main(String[] args) {
    File file = new File("C:/demo.txt");
    long fileSize = file.length();

    System.out.println(fileSize + " bytes");
    System.out.println((double) fileSize / 1024 + " KB");
    System.out.println((double) fileSize / (1024 * 1024) + "MB");
}

From source file:Main.java

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

    // set writable to false
    f.setWritable(false);//from ww  w . j  a v  a  2s . c om

    // returns boolean
    boolean bool = f.canWrite();

    System.out.println("Can write to test.txt: " + bool);
}

From source file:Main.java

public static void main(String[] args) {
    File dir = new File("C:/FileIO/DemoDirectory");

    boolean isDirectoryCreated = dir.mkdir();
    if (isDirectoryCreated) {
        System.out.println("successfully");
    } else {//from  w w w  .j  a  va 2 s . c  o m
        System.out.println("not");
    }
}

From source file:Main.java

public static void main(String[] args) {
    File dir = new File("C:/1/Parent1/Parent2/DemoDir");
    boolean isDirCreated = dir.mkdirs();
    if (isDirCreated)
        System.out.println("created");
    else/*from  ww  w .  j a v a  2 s. c  o  m*/
        System.out.println("Failed");

}

From source file:Main.java

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

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

    bool = f.canWrite();/*  w  w w. j  a  va  2  s  . c om*/

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

}

From source file:Main.java

public static void main(String[] args) {
    File file = new File("C:/");
    String[] files = file.list();

    System.out.println("contents of " + file.getPath());

    for (int i = 0; i < files.length; i++) {
        System.out.println(files[i]);
    }/*from  w  w  w .  java 2  s . c  o m*/
}

From source file:Main.java

public static void main(String[] args) {
    File file = new File("C:");
    long totalSpace = file.getTotalSpace();
    System.out.println("Total space on " + file + " = " + totalSpace + "bytes");

    // Check the free space in C:
    long freeSpace = file.getFreeSpace();
    System.out.println("Free space on " + file + " = " + freeSpace + "bytes");
}

From source file:Main.java

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

    boolean bool = f.setExecutable(true);

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

    bool = f.canExecute();//w  w  w. j  a  va2  s . com

    System.out.print("Can execute?: " + bool);

}

From source file:Main.java

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

    boolean bool = f.exists();

    if (bool) {//  w  w w.  j  a  v  a  2 s  .  c  o  m
        long len = f.length();
        String path = f.getPath();
        System.out.print(path + " file length: " + len);
    }

}