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) throws Exception {
    File file = new File("ReadOnly.txt");
    file.createNewFile();/*from w  ww  .j av a 2  s  .  c om*/
    file.setReadOnly();

    if (file.canWrite()) {
        System.out.println("writable!");
    } else {
        System.out.println("read only!");
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    boolean success = (new File("directoryName")).mkdirs();
    if (!success) {
        System.out.println("Directory creation failed");
    }/*w ww  .j a  va  2s  .  c  o m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    File file1 = new File("./filename");
    File file2 = new File("filename");
    System.out.println(file1.equals(file2));

    file1 = file1.getCanonicalFile();//from w ww.j ava2  s .c  om
    file2 = file2.getCanonicalFile();
    System.out.println(file1.equals(file2));
}

From source file:Main.java

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

    // set last modified time
    boolean bool = f.setLastModified(millisec);

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

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    File dir = new File("directoryName");

    String[] children = dir.list();
    if (children == null) {
        System.out.println("does not exist or is not a directory");
    } else {//from www  .  java 2  s.c o  m
        for (int i = 0; i < children.length; i++) {
            String filename = children[i];
            System.out.println(filename);
        }
    }
}

From source file:MainClass.java

public static void main(String args[]) {
    try {//from  ww  w .j  a v a  2s  . c o  m
        File testFile = new File("C:\\books\\2004\\test.txt");
        System.out.println(testFile.toURI().toString());
    } catch (Exception exception) {
        System.out.println("exception");
    }
}

From source file:Touch.java

public static void main(String[] args) {
    String[] names = new File(".").list();

    Date current = new Date();

    for (int i = 0; i < names.length; i++) {
        File f = new File(names[i]);
        f.setLastModified(current.getTime());
    }/*  www .  j a  va 2 s. c  o  m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    visitAllDirsAndFiles(new File("c:/"));
}

From source file:Attr.java

public static void main(String args[]) {
    File path = new File(args[0]); // grab command-line argument
    String exists = getYesNo(path.exists());
    String canRead = getYesNo(path.canRead());
    String canWrite = getYesNo(path.canWrite());
    String isFile = getYesNo(path.isFile());
    String isHid = getYesNo(path.isHidden());
    String isDir = getYesNo(path.isDirectory());
    String isAbs = getYesNo(path.isAbsolute());
    System.out.println("File attributes for '" + args[0] + "'");
    System.out.println("Exists    : " + exists);
    if (path.exists()) {
        System.out.println("Readable   : " + canRead);
        System.out.println("Writable   : " + canWrite);
        System.out.println("Is directory : " + isDir);
        System.out.println("Is file    : " + isFile);
        System.out.println("Is hidden   : " + isHid);
        System.out.println("Absolute path : " + isAbs);
    }/*from w  w w .  j  a  v a 2  s .  c  o  m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    File file1 = new File("a");
    File file2 = new File("a");
    File file3 = new File("b");

    int ihc1 = System.identityHashCode(file1);
    System.out.println(ihc1);/*w  ww .  j a va  2s.  c o  m*/
    int ihc2 = System.identityHashCode(file2);
    System.out.println(ihc2);
    int ihc3 = System.identityHashCode(file3);
    System.out.println(ihc3);

}