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("user.txt");

    FileWriter writer = new FileWriter(file, true);
    writer.write("username=java;password=secret" + System.getProperty("line.separator"));
    writer.flush();/*from   www .  j  ava2s  .c  o  m*/
    writer.close();
}

From source file:Main.java

public static void main(String[] args) {
    String f1 = "run.bat";
    long d1 = new File(f1).lastModified();

    String f2 = "build.xml";
    long d2 = new File(f2).lastModified();

    String relation;/*from  w w w.  ja  v a  2  s . co m*/
    if (d1 == d2)
        relation = "the same age as";
    else if (d1 < d2)
        relation = "older than";
    else
        relation = "newer than";
    System.out.println(f1 + " is " + relation + ' ' + f2);
}

From source file:Main.java

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

    if (file.canWrite()) {
        System.out.println("writable");
    } else {//w  ww. j a  v a 2  s.c om
        System.out.println("not writable");
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    File file = null;//w w w.  ja  v  a  2s .c  om
    File dir = new File("C:/");
    file = File.createTempFile("JavaTemp", ".javatemp", dir);

    System.out.println(file.getPath());

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    File file = new File("data.txt");

    Scanner scanner = new Scanner(file);
    while (scanner.hasNextLine()) {
        String line = scanner.nextLine();
        System.out.println(line);
    }/*from  w ww  .  j  a v  a2s . com*/
}

From source file:Main.java

public static void main(String[] args) {

    File f = new File("c:/test");

    FileFilter filter = new FileFilter() {
        @Override/*from   ww w  . j a  v a 2  s .  c  om*/
        public boolean accept(File pathname) {
            return pathname.isFile();
        }
    };

    // returns pathnames for files and directory
    File[] paths = f.listFiles(filter);

    for (File path : paths) {
        System.out.println(path);
    }
}

From source file:MainClass.java

public static void main(String[] args) {

    File cwd = new File(System.getProperty("user.dir"));
    File[] htmlFiles = cwd.listFiles(new HTMLFileFilter());
    for (int i = 0; i < htmlFiles.length; i++) {
        System.out.println(htmlFiles[i]);
    }//from  www.  j a  v a2  s .c  om
}

From source file:Main.java

public static void main(String[] args) {
    File file = new File("c:\\java.exe");

    long size = file.length();
    String display = FileUtils.byteCountToDisplaySize(size);

    System.out.println("Name    = " + file.getName());
    System.out.println("size    = " + size);
    System.out.println("Display = " + display);
}

From source file:Main.java

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

    // create new files
    File f = new File("test.txt");

    String path = f.getCanonicalPath();

    System.out.print("Absolute Pathname " + path);

}

From source file:Main.java

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

    // create new files
    File f = new File("c:/");

    long size = f.getFreeSpace();

    System.out.print(size);/*w  w w  .  java 2s .  c  o  m*/

}