Example usage for java.lang System getProperty

Introduction

In this page you can find the example usage for java.lang System getProperty.

Prototype

public static String getProperty(String key)

Source Link

Document

Gets the system property indicated by the specified key.

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 w ww . ja va  2 s.co  m
    writer.close();
}

From source file:Main.java

public static void main(String[] args) {
    String destFile = "luci2.txt";

    // Get the line separator for the current platform
    String lineSeparator = System.getProperty("line.separator");

    String line1 = "test";
    String line2 = "test1";

    String line3 = "test2";
    String line4 = "test3";

    try (FileOutputStream fos = new FileOutputStream(destFile)) {
        fos.write(line1.getBytes());//from  w w  w  .  ja  v  a  2s . com
        fos.write(lineSeparator.getBytes());

        fos.write(line2.getBytes());
        fos.write(lineSeparator.getBytes());

        fos.write(line3.getBytes());
        fos.write(lineSeparator.getBytes());

        fos.write(line4.getBytes());

        // Flush the written bytes to the file 
        fos.flush();

        System.out.println("Text has  been  written to " + (new File(destFile)).getAbsolutePath());
    } catch (Exception e2) {
        e2.printStackTrace();
    }
}

From source file:MyClass.java

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

    URL[] urls = null;/*w w  w .j  a v  a  2  s. c  o m*/

    File dir = new File(System.getProperty("user.dir") + File.separator + "dir" + File.separator);
    URL url = dir.toURI().toURL();
    urls = new URL[] { url };

    ClassLoader cl = new URLClassLoader(urls);

    Class cls = cl.loadClass("MyClass");

    MyClass myObj = (MyClass) cls.newInstance();

}

From source file:KVMProperties.java

public static void main(String[] args) {
    for (int i = 0; i < properties.length; i++) {
        System.out.println(properties[i] + " = " + System.getProperty(properties[i]));
    }/*from w  w  w. j  ava 2s. co  m*/
}

From source file:Test.java

License:asdf

public static void main(String[] args) throws IOException {
    Path path = Paths.get("/users.txt");

    final String newLine = System.getProperty("line.separator");
    try (SeekableByteChannel sbc = Files.newByteChannel(path, StandardOpenOption.APPEND)) {
        String output = newLine + "asdf" + newLine;
        ByteBuffer buffer = ByteBuffer.wrap(output.getBytes());
        sbc.write(buffer);//from   w w  w . jav a  2s.  c  om
    }

}

From source file:Main.java

public static void main(String[] args) {

    Path basedir = FileSystems.getDefault().getPath("C:/tutorial/tmp/");
    String tmp_dir_prefix = "Swing_";

    //get the default temporary folders path
    String default_tmp = System.getProperty("java.io.tmpdir");
    System.out.println(default_tmp);

    try {//from w  w  w . j  a  v  a  2  s .c  om
        //set a prefix
        Path tmp_2 = Files.createTempDirectory(tmp_dir_prefix);
        System.out.println("TMP: " + tmp_2.toString());

    } catch (IOException e) {
        System.err.println(e);
    }
}

From source file:Test.java

License:asdf

public static void main(String[] args) throws IOException {
    Path path = Paths.get("/users.txt");

    final String newLine = System.getProperty("line.separator");
    try (SeekableByteChannel sbc = Files.newByteChannel(path, StandardOpenOption.WRITE)) {
        ByteBuffer buffer;/*from  ww  w  .  ja va2s .c  o  m*/
        long position = sbc.size();
        sbc.position(position);
        System.out.println("Position: " + sbc.position());

        buffer = ByteBuffer.wrap((newLine + "asdf").getBytes());
        sbc.write(buffer);
        System.out.println("Position: " + sbc.position());
        buffer = ByteBuffer.wrap((newLine + "asdf").getBytes());
        sbc.write(buffer);
        System.out.println("Position: " + sbc.position());
    }
}

From source file:GetIt.java

public static void main(String args[]) throws Exception {
    JMenu it = new JMenu();
    String classID = it.getUIClassID();
    System.out.println(classID);//w ww  .j ava 2s . c om
    String className = (String) UIManager.get(classID);
    System.out.println(className);
    Class.forName(className);
    System.out.println(System.getProperty("swing.defaultlaf"));
    System.out.println(System.getProperty("swing.auxiliarylaf"));
    System.out.println(System.getProperty("swing.plaf.multiplexinglaf"));
    System.out.println(System.getProperty("swing.installedlafs"));
}

From source file:Main.java

public static void main(String[] args) {

    Path basedir = FileSystems.getDefault().getPath("C:/tutorial/tmp");
    String tmp_file_prefix = "Swing_";
    String tmp_file_sufix = ".txt";

    //get the default temporary folders path
    String default_tmp = System.getProperty("java.io.tmpdir");
    System.out.println(default_tmp);

    try {/* w  w  w .j a v  a 2 s .com*/
        //create a tmp file in a the base dir
        Path tmp_3 = Files.createTempFile(basedir, tmp_file_prefix, tmp_file_sufix);
        System.out.println("TMP: " + tmp_3.toString());

    } catch (IOException e) {
        System.err.println(e);
    }
}

From source file:Main.java

public static void main(String[] args) {

    Path basedir = FileSystems.getDefault().getPath("C:/tutorial/tmp");
    String tmp_file_prefix = "Swing_";
    String tmp_file_sufix = ".txt";

    //get the default temporary folders path
    String default_tmp = System.getProperty("java.io.tmpdir");
    System.out.println(default_tmp);

    try {/* w  ww . j a  v a 2s.c o  m*/
        //set a prefix and a sufix
        Path tmp_2 = Files.createTempFile(tmp_file_prefix, tmp_file_sufix);
        System.out.println("TMP: " + tmp_2.toString());

    } catch (IOException e) {
        System.err.println(e);
    }

}