Example usage for java.lang StringBuilder toString

Introduction

In this page you can find the example usage for java.lang StringBuilder toString.

Prototype

@Override
    @HotSpotIntrinsicCandidate
    public String toString() 

Source Link

Usage

From source file:Main.java

public static void main(String args[]) {
    StringBuilder sb = new StringBuilder();
    sb.ensureCapacity(100);//from  ww  w  .  j  a v  a  2  s  .  c o m
    sb.append("java2s.com");
    System.out.println(sb.capacity());
    System.out.println(sb.length());
    System.out.println(sb.toString());

}

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From source file:Main.java

public static void main(String[] a) {
    StringBuilder builder = new StringBuilder("Line 1\n");

    builder.append("Line 3\n");

    String lineToInsert = "Line 2\n";

    builder.insert(0, lineToInsert);//  w  ww  .  jav  a  2 s  .  com

    System.out.println(builder.toString());

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    InetAddress ip = InetAddress.getLocalHost();
    System.out.println("Current IP address : " + ip.getHostAddress());

    NetworkInterface network = NetworkInterface.getByInetAddress(ip);
    byte[] mac = network.getHardwareAddress();
    System.out.print("Current MAC address : ");

    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < mac.length; i++) {
        sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
    }//www. j a  v a 2s  . c om
    System.out.println(sb.toString());
}

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From source file:net.vnt.ussdapp.util.ContextTest.java

public static void main(String[] args) {
    ApplicationContext context = new ClassPathXmlApplicationContext(new String[] { "/context.xml" });
    ContextProperties ctxProp = (ContextProperties) Context.getInstance().getBean("ContextProperties");
    TXTParser parser = (TXTParser) Context.getInstance().getBean("TXTParser");
    String mainmenu = ctxProp.getProperty("ussdapp.wrong");
    try {/*from   w ww. j  a  v a2 s .c  o  m*/
        Vector<String> vs = parser.readFields(mainmenu);
        Enumeration<String> ens = vs.elements();
        StringBuilder sb = new StringBuilder();
        while (ens.hasMoreElements()) {
            sb.append(ens.nextElement()).append("\n");
        }
        System.out.println(sb.toString());
    } catch (IOException ex) {
        Logger.getLogger(ContextTest.class.getName()).log(Level.SEVERE, null, ex);
    }
    System.out.println(System.getProperty("os.arch"));
}

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From source file:Main.java

public static void main(String[] args) {
    // Create a String object
    String s1 = new String("Hello");

    // Create a StringBuilder from of the String object s1
    StringBuilder sb = new StringBuilder(s1);

    // Append " Java" to the StringBuilder's content
    sb.append(" Java"); // Now, sb contains "Hello Java"

    // Get a String from the StringBuilder
    String s2 = sb.toString(); // s2 contains "Hello Java"

}

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From source file:Main.java

public static void main(String[] argv) {
    JEditorPane jep = new JEditorPane();
    jep.setContentType("text/html");
    StringBuilder sb = new StringBuilder();
    sb.append("<b>Welcome</b>:<br><hr>");
    for (int i = 1; i <= 3; i++) {
        sb.append(create(i));/*from www.ja v  a 2  s . co m*/
    }
    sb.append("<hr>");
    jep.setText(sb.toString());
    jep.setEditable(false);
    jep.addHyperlinkListener(e -> {
        if (HyperlinkEvent.EventType.ACTIVATED.equals(e.getEventType())) {
            System.out.println(e.getURL());
            Desktop desktop = Desktop.getDesktop();
            try {
                desktop.browse(e.getURL().toURI());
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    });

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(jep);
    f.pack();
    f.setVisible(true);
}

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From source file:StringBuilderDemo.java

public static void main(String[] argv) {

    String s1 = "Hello" + ", " + "World";
    System.out.println(s1);//  w ww .  j a  va  2 s  .com

    // Build a StringBuilder, and append some things to it.
    StringBuilder sb2 = new StringBuilder();
    sb2.append("Hello");
    sb2.append(',');
    sb2.append(' ');
    sb2.append("World");

    // Get the StringBuilder's value as a String, and print it.
    String s2 = sb2.toString();
    System.out.println(s2);

    // Now do the above all over again, but in a more
    // concise (and typical "real-world" Java) fashion.

    StringBuilder sb3 = new StringBuilder().append("Hello").append(',').append(' ').append("World");
    System.out.println(sb3.toString());
}

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From source file:ca.uqac.info.trace.TraceGenerator.java

public static void main(String[] args) {
    // Parse command line arguments
    Options options = setupOptions();/*  w w w  . jav a2s .  c o  m*/
    CommandLine c_line = setupCommandLine(args, options);
    int verbosity = 0, max_events = 1000000;

    if (c_line.hasOption("h")) {
        showUsage(options);
        System.exit(ERR_OK);
    }
    String generator_name = "simplerandom";
    if (c_line.hasOption("g")) {
        generator_name = c_line.getOptionValue("generator");
    }
    long time_per_msg = 1000;
    if (c_line.hasOption("i")) {
        time_per_msg = Integer.parseInt(c_line.getOptionValue("i"));
    }
    if (c_line.hasOption("verbosity")) {
        verbosity = Integer.parseInt(c_line.getOptionValue("verbosity"));
    }
    if (c_line.hasOption("e")) {
        max_events = Integer.parseInt(c_line.getOptionValue("e"));
    }
    String feeder_params = "";
    if (c_line.hasOption("parameters")) {
        feeder_params = c_line.getOptionValue("parameters");
    }
    MessageFeeder mf = instantiateFeeder(generator_name, feeder_params);
    if (mf == null) {
        System.err.println("Unrecognized feeder name");
        System.exit(ERR_ARGUMENTS);
    }
    // Trap Ctrl-C to send EOT before shutting down
    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            char EOT = 4;
            System.out.print(EOT);
        }
    });
    for (int num_events = 0; mf.hasNext() && num_events < max_events; num_events++) {
        long time_begin = System.nanoTime();
        String message = mf.next();
        StringBuilder out = new StringBuilder();
        out.append(message);
        System.out.print(out.toString());
        long time_end = System.nanoTime();
        long duration = time_per_msg - (long) ((time_end - time_begin) / 1000000f);
        if (duration > 0) {
            try {
                Thread.sleep(duration);
            } catch (InterruptedException e) {
            }
        }
        if (verbosity > 0) {
            System.err.print("\r" + num_events + " " + duration + "/" + time_per_msg);
        }
    }
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JFileChooser fc = new JFileChooser();
    fc.setMultiSelectionEnabled(true);//from w  ww  .  j a  v a 2 s  .  c om
    fc.setCurrentDirectory(new File("C:\\tmp"));
    JButton btn1 = new JButton("Show Dialog");
    btn1.addActionListener(e -> fc.showDialog(frame, "Choose"));
    JButton btn2 = new JButton("Show Open Dialog");
    btn2.addActionListener(e -> {
        int retVal = fc.showOpenDialog(frame);
        if (retVal == JFileChooser.APPROVE_OPTION) {
            File[] selectedfiles = fc.getSelectedFiles();
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < selectedfiles.length; i++) {
                sb.append(selectedfiles[i].getName());
                sb.append("\n");
            }
            JOptionPane.showMessageDialog(frame, sb.toString());
        }
    });
    JButton btn3 = new JButton("Show Save Dialog");
    btn3.addActionListener(e -> fc.showSaveDialog(frame));
    Container pane = frame.getContentPane();
    pane.setLayout(new GridLayout(3, 1, 10, 10));
    pane.add(btn1);
    pane.add(btn2);
    pane.add(btn3);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

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From source file:org.openeclass.EclassMobile.java

public static void main(String[] args) {

    try {//from  ww w  . ja v a  2  s.  co  m
        HttpClient httpclient = new DefaultHttpClient();
        HttpPost httppost = new HttpPost("https://myeclass/modules/mobile/mlogin.php");
        List<NameValuePair> nvps = new ArrayList<NameValuePair>();
        nvps.add(new BasicNameValuePair("uname", mUsername));
        nvps.add(new BasicNameValuePair("pass", mPassword));
        httppost.setEntity(new UrlEncodedFormEntity(nvps));

        System.out.println("twra tha kanei add");
        System.out.println("prin to response");

        HttpResponse response = httpclient.execute(httppost);
        StatusLine status = response.getStatusLine();

        if (status.getStatusCode() != 200)
            System.out.println("Invalid response from server: " + status.toString());

        System.out.println("meta to response");

        Header[] head = response.getAllHeaders();

        for (int i = 0; i < head.length; i++)
            System.out.println("to head exei " + head[i]);

        System.out.println("Login form get: " + response.getStatusLine());

        HttpEntity entity = response.getEntity();
        InputStream ips = entity.getContent();
        BufferedReader buf = new BufferedReader(new InputStreamReader(ips, "UTF-8"), 1024);

        StringBuilder sb = new StringBuilder();
        String s = "";

        while ((s = buf.readLine()) != null) {
            sb.append(s);
        }
        System.out.println("to sb einai " + sb.toString());

    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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