Example usage for java.lang Runtime getRuntime

Introduction

In this page you can find the example usage for java.lang Runtime getRuntime.

Prototype

public static Runtime getRuntime()

Source Link

Document

Returns the runtime object associated with the current Java application.

Usage

From source file:Main.java

public static void main(String[] args) {
    try {//from  w w  w  . ja  va 2 s .  c  o m
        String[] cmdArray = new String[2];
        // the program to open
        cmdArray[0] = "notepad.exe";

        // txt file to open with notepad
        cmdArray[1] = "test.txt";

        File dir = new File("c:/");

        String[] envArray = new String[2];
        envArray[0] = "";
        envArray[1] = "";

        Runtime runTime = Runtime.getRuntime();

        Process process = runTime.exec(cmdArray, envArray, dir);

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(final String[] args) throws Exception {
    Random RND = new Random();
    ExecutorService es = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
    List<Future<String>> results = new ArrayList<>(10);
    for (int i = 0; i < 10; i++) {
        results.add(es.submit(new TimeSliceTask(RND.nextInt(10), TimeUnit.SECONDS)));
    }//  w  ww . ja  v  a 2s . co  m
    es.shutdown();
    while (!results.isEmpty()) {
        Iterator<Future<String>> i = results.iterator();
        while (i.hasNext()) {
            Future<String> f = i.next();
            if (f.isDone()) {
                System.out.println(f.get());
                i.remove();
            }
        }
    }
}

From source file:edu.gmu.isa681.server.Main.java

public static void main(String[] args) {
    log.info("Starting server...");
    final Server server = new Server(Constants.SERVER_PORT);

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            server.shutdown();//w  ww .j a  v a  2s.  c o m
        }
    });

    Thread thread = new Thread(server, "ServerThread");
    thread.start();

    try {
        thread.join();

    } catch (InterruptedException ex) {
        log.error(ex);
    }

    //TODO: implement some CLI to admin the server
}

From source file:Main.java

public static void main(String[] args) {
    List<Integer> list = new ArrayList<>();
    long expectedSum = 0;
    for (int i = 0; i < 10000; i++) {
        int random = 1 + (int) (Math.random() * ((100 - 1) + 1));
        list.add(random);/*  ww w  .  j a  v  a  2  s  .c  o m*/
        expectedSum += random;
    }
    System.out.println("expected sum: " + expectedSum);
    ForkJoinPool forkJoinPool = new ForkJoinPool(Runtime.getRuntime().availableProcessors());
    RecursiveSum recursiveSum = new RecursiveSum(list, 0, list.size());
    long recSum = forkJoinPool.invoke(recursiveSum);
    System.out.println("recursive-sum: " + recSum);
}

From source file:ExecDemoPartial.java

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

    BufferedReader is; // reader for output of process
    String line;//  ww  w  . j  a v a  2  s  .c o  m

    final Process p = Runtime.getRuntime().exec(PROGRAM);

    Thread waiter = new Thread() {
        public void run() {
            try {
                p.waitFor();
            } catch (InterruptedException ex) {
                // OK, just quit this thread.
                return;
            }
            System.out.println("Program terminated!");
            done = true;
        }
    };
    waiter.start();

    // getInputStream gives an Input stream connected to
    // the process p's standard output (and vice versa). We use
    // that to construct a BufferedReader so we can readLine() it.
    is = new BufferedReader(new InputStreamReader(p.getInputStream()));

    while (!done && ((line = is.readLine()) != null))
        System.out.println(line);

    return;
}

From source file:ExecDemoLs.java

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

    final Process p; // Process tracks one external native process
    BufferedReader is; // reader for output of process
    String line;/*from  w ww. j  av  a  2s.c  o  m*/

    p = Runtime.getRuntime().exec(PROGRAM);

    // Optional: start a thread to wait for the process to terminate.
    // Don't just wait in main line, but here set a "done" flag and
    // use that to control the main reading loop below.
    Thread waiter = new Thread() {
        public void run() {
            try {
                p.waitFor();
            } catch (InterruptedException ex) {
                // OK, just quit.
                return;
            }
            System.out.println("Program terminated!");
            done = true;
        }
    };
    waiter.start();

    // getInputStream gives an Input stream connected to
    // the process p's standard output (and vice versa). We use
    // that to construct a BufferedReader so we can readLine() it.
    is = new BufferedReader(new InputStreamReader(p.getInputStream()));

    while (!done && ((line = is.readLine()) != null))
        System.out.println(line);

    return;
}

From source file:de.daibutsu.main.MainStart.java

public static void main(String[] args) {
    Runtime.getRuntime().addShutdownHook(new ExitHandler());
    SwingUtilities.invokeLater(new MainStart());
}

From source file:com.delphix.appliance.host.example.server.ExampleServerLauncher.java

public static void main(String[] args) {
    AbstractApplicationContext context = new ClassPathXmlApplicationContext(CONFIG_LOCATION);
    try {/* w  w w  .jav  a2s  . c o m*/
        final ExampleServer server = (ExampleServer) context.getBean("server");

        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                server.fini();
            }
        });
    } finally {
        context.close();
    }
}

From source file:gridool.GridMain.java

public static void main(String[] args) {
    final Thread parent = Thread.currentThread();
    final GridServer grid = new GridServer();
    try {/*from  www.ja  va 2  s .  c om*/
        grid.start();
        Runtime.getRuntime().addShutdownHook(new Thread() {
            public void run() {
                parent.interrupt();
            }
        });
    } catch (InternalException ie) {
        shutdown(grid, ie);
    } catch (Throwable e) {
        shutdown(grid, e);
    }
    try {
        Thread.currentThread().join();
    } catch (InterruptedException e) {
        ;
    } finally {
        try {
            grid.shutdown(true);
        } catch (RemoteException re) {
            ;
        }
    }
}

From source file:org.openmrs.ModuleStory.java

public static void main(String args[]) throws IOException, InterruptedException {
    if (!skipDatabaseSetupPage()) {
        String databaseUserName = System.getProperty("database_user_name", "root");
        String databaseRootPassword = System.getProperty("database_root_password", "password");
        Runtime runtime = Runtime.getRuntime();
        runtime.exec("curl http://localhost:8080/openmrs/auto_run_openmrs?local=en&remember=true"
                + "&database_user_name=" + databaseUserName + "&database_root_password="
                + databaseRootPassword);
        log.debug("Waiting 10 minutes for OpenMRS installation to complete!!");
        Thread.sleep(1000 * 60 * 10); //Waiting 10 minutes for installation to complete
    }/*from  w  w w. j  av  a  2s  .  c  o m*/
}