Example usage for java.lang Math random

Introduction

In this page you can find the example usage for java.lang Math random.

Prototype

public static double random()

Source Link

Document

Returns a double value with a positive sign, greater than or equal to 0.0 and less than 1.0 .

Usage

From source file:edu.ttu.spm.cheapride.model.item.Vehicle.java

private static Vehicle createRandomVehicle() {
    String color = "Green";
    String make = "Toyota";
    String licensePlate = String.valueOf(1000 + (int) (10000 * Math.random()));
    String licenseState = "Txt";
    String year = String.valueOf(2000 + (int) (20 * Math.random()));

    String imageUrl = "https://public-api.lyft.com/static/images/prius_blue.png";

    return new Vehicle(color, make, licensePlate, year, licenseState, "", imageUrl);
}

From source file:com.busimu.core.license.LicenseGenerator.java

private String generateLicenseCode() {
    String licenseCode = "";
    for (int i = 0; i < 16; i++) {
        int index = (int) (Math.random() * 62);
        if (index < 10) {
            licenseCode += (char) (index + '0');
        } else if (index < 36) {
            licenseCode += (char) (index + 'A' - 10);
        } else if (index < 62) {
            licenseCode += (char) (index + 'a' - 36);
        } else {//w  w  w  .ja  v a 2  s.c  o  m
            throw new RuntimeException("Wrong Index " + index);
        }
        if (i % 4 == 3 && i != 15) {
            licenseCode += '-';
        }
    }
    return licenseCode;
}

From source file:mini_mirc_client.Mini_mirc_client.java

public static void generateUname() {
    String commonUsername[] = { "Earthshaker", "Sven", "Tiny", "Kunkka", "Beastmaster", "DragonKnight", "Axe",
            "Pudge", "SandKing", "Slardar", "Tidehunter", "WraithKing", "Bloodseeker", "Windranger",
            "StormSpirit", "Lina", "ShadowFiend", "AntiMage", "PhantomAssassin" };
    String uname;/*from   w ww.  j  av  a 2  s . co  m*/

    int randIndex = (int) Math.round(Math.random() * (commonUsername.length - 1));
    int randEnd = (int) (Math.random() * 999);
    uname = commonUsername[randIndex] + randEnd;
    System.out.println("# Generated new username: " + uname);

    username = uname;
}

From source file:Main.java

private ObservableList<XYChart.Series<String, Double>> getChartData() {
    double aValue = 17.56;
    double cValue = 17.06;
    ObservableList<XYChart.Series<String, Double>> answer = FXCollections.observableArrayList();
    Series<String, Double> aSeries = new Series<String, Double>();
    Series<String, Double> cSeries = new Series<String, Double>();
    aSeries.setName("a");
    cSeries.setName("C");

    for (int i = 2011; i < 2021; i++) {
        aSeries.getData().add(new XYChart.Data(Integer.toString(i), aValue));
        aValue = aValue + Math.random() - .5;
        cSeries.getData().add(new XYChart.Data(Integer.toString(i), cValue));
        cValue = cValue + Math.random() - .5;
    }//  w  w w .  java 2 s .c  o m
    answer.addAll(aSeries, cSeries);
    return answer;
}

From source file:Main.java

private ObservableList<XYChart.Series<String, Double>> getChartData() {
    double aValue = 1.56;
    double cValue = 1.06;
    ObservableList<XYChart.Series<String, Double>> answer = FXCollections.observableArrayList();
    Series<String, Double> aSeries = new Series<String, Double>();
    Series<String, Double> cSeries = new Series<String, Double>();
    aSeries.setName("a");
    cSeries.setName("C");

    for (int i = 2011; i < 2021; i++) {
        aSeries.getData().add(new XYChart.Data(Integer.toString(i), aValue));
        aValue = aValue + Math.random() - .5;
        cSeries.getData().add(new XYChart.Data(Integer.toString(i), cValue));
        cValue = cValue + Math.random() - .5;
    }/*w w w  .  j av a  2  s.  c  o m*/
    answer.addAll(aSeries, cSeries);
    return answer;
}

From source file:org.openmrs.contrib.metadatarepository.webapp.controller.BaseControllerTestCase.java

@Before
public void onSetUp() {
    smtpPort = smtpPort + (int) (Math.random() * 100);
    // change the port on the mailSender so it doesn't conflict with an
    // existing SMTP server on localhost
    JavaMailSenderImpl mailSender = (JavaMailSenderImpl) applicationContext.getBean("mailSender");
    mailSender.setPort(getSmtpPort());//from  www . java 2  s.c  om
    mailSender.setHost("localhost");
}

From source file:com.dbschools.music.ClientSession.java

public ClientSession(User user, String databaseName) {
    this.user = user;
    this.databaseName = databaseName;
    sessionId = (int) (Math.random() * Integer.MAX_VALUE);
}

From source file:com.acc.fulfilmentprocess.actions.consignment.SubprocessEndAction.java

@Override
public void executeAction(final ConsignmentProcessModel process) {
    LOG.info("Process: " + process.getCode() + " in step " + getClass());

    try {//from  w  w w. j  av a 2 s  .c  o  m
        // simulate different ending times
        Thread.sleep((long) (Math.random() * 2000));
    } catch (final InterruptedException e) {
        // can't help it
    }

    process.setDone(true);

    save(process);
    LOG.info("Process: " + process.getCode() + " wrote DONE marker");

    getBusinessProcessService().triggerEvent(process.getParentProcess().getCode() + "_"
            + BncFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
    LOG.info("Process: " + process.getCode() + " fired event "
            + BncFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
}

From source file:com.mitre.fulfilmentprocess.actions.consignment.SubprocessEndAction.java

@Override
public void executeAction(final ConsignmentProcessModel process) {
    LOG.info("Process: " + process.getCode() + " in step " + getClass());

    try {/* ww  w .j  a va2  s  . c o m*/
        // simulate different ending times
        Thread.sleep((long) (Math.random() * 2000));
    } catch (final InterruptedException e) {
        // can't help it
    }

    process.setDone(true);

    save(process);
    LOG.info("Process: " + process.getCode() + " wrote DONE marker");

    getBusinessProcessService().triggerEvent(process.getParentProcess().getCode() + "_"
            + MitreFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
    LOG.info("Process: " + process.getCode() + " fired event "
            + MitreFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
}

From source file:org.chos.transaction.passport.controller.CaptchaController.java

private Color generateColor() {
    int r = (int) (Math.random() * 180);
    int g = (int) (Math.random() * 180);
    int b = (int) (Math.random() * 180);
    return new Color(r, g, b);
}