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:org.jongo.mocks.UserMock.java

public static String getRandomBirthDate() {
    String year = String.valueOf(1950 + (int) (Math.random() * ((2010 - 1950) + 1)));
    String month = String.valueOf(1 + (int) (Math.random() * ((12 - 1) + 1)));
    String day = String.valueOf(1 + (int) (Math.random() * ((30 - 1) + 1)));
    if (month.length() == 1)
        month = "0" + month;
    if (day.length() == 1)
        day = "0" + day;
    return year + "-" + month + "-" + day;
}

From source file:org.jfree.chart.demo.CompassFormatDemo1.java

private static XYDataset createForceDataset(int i) {
    TimeSeriesCollection timeseriescollection = new TimeSeriesCollection();
    TimeSeries timeseries = new TimeSeries("Wind Force");
    Object obj = new Minute();
    double d = 3D;
    for (int j = 0; j < i; j++) {
        timeseries.add(((RegularTimePeriod) (obj)), d);
        obj = ((RegularTimePeriod) (obj)).next();
        d = Math.max(0.5D, d + (Math.random() - 0.5D) * 0.5D);
    }//from  w  w w .j  a  v  a  2s .  c o  m

    timeseriescollection.addSeries(timeseries);
    return timeseriescollection;
}

From source file:blue.lapis.pore.converter.type.world.effect.EffectConverter.java

public static SoundType toSound(Effect effect, int data) {
    if (effect.getType() == Effect.Type.SOUND) {
        switch (effect) {
        case CLICK2:
            return SoundTypes.WOOD_CLICK;
        case CLICK1:
            return SoundTypes.CLICK;
        case BOW_FIRE:
            return SoundTypes.SHOOT_ARROW;
        case DOOR_TOGGLE:
            return Math.random() >= 0.5 ? SoundTypes.DOOR_OPEN : SoundTypes.DOOR_CLOSE;
        case EXTINGUISH:
            return SoundTypes.FIZZ; //TODO: verify this is the correct sound
        case RECORD_PLAY:
            throw new NotImplementedException("TODO");
        case GHAST_SHRIEK:
            return SoundTypes.GHAST_SCREAM;
        case GHAST_SHOOT:
            return SoundTypes.GHAST_FIREBALL;
        case BLAZE_SHOOT:
            return SoundTypes.BLAZE_BREATH;
        case ZOMBIE_CHEW_WOODEN_DOOR:
            return SoundTypes.ZOMBIE_WOOD;
        case ZOMBIE_CHEW_IRON_DOOR:
            return SoundTypes.ZOMBIE_METAL;
        case ZOMBIE_DESTROY_DOOR:
            return SoundTypes.ZOMBIE_WOODBREAK;
        case STEP_SOUND:
            throw new NotImplementedException("TODO"); //TODO: determine generic type of block
        default:/*w  w w .j ava 2s .co  m*/
            return null;
        }
    }
    return null;
}

From source file:net.eusashead.hateoas.response.impl.CustomerRepository.java

public Page<Customer> listCustomers(Pageable page) {
    List<Customer> orders = new ArrayList<Customer>();
    for (int i = 0; i < page.getPageSize(); i++) {
        orders.add(new Customer(i, BigDecimal.valueOf(Math.random() * 100),
                new Date(Math.round(123456789l * Math.random()))));
    }/*from w ww  .j a  v  a 2s .c o  m*/
    return new PageImpl<Customer>(orders, page, 95);
}

From source file:net.floodlightcontroller.loadbalancer.LBMember.java

public LBMember() {
    id = String.valueOf((int) (Math.random() * 10000));
    address = 0;/*from w w w  . ja  va 2 s . com*/
    macString = null;
    port = 0;

    connectionLimit = 0;
    adminState = 0;
    status = 0;
    poolId = null;
    vipId = null;
}

From source file:MainClass.java

public void updateStocks() {
    for (int i = 0; i < data.length; i++) {
        data[i] = Math.random();
    }
}

From source file:com.wootric.androidsdk.utils.SHAUtil.java

public static String randomString() {
    String text = "";
    int i = 0;/*from w  w  w  .j  a  v  a2 s.c o  m*/
    while (i < 16) {
        text += POSSIBLE.charAt((int) (Math.random() * POSSIBLE.length()));
        i++;
    }
    return text;
}

From source file:com.apress.prospringintegration.corespring.aop.PurchaseOrderDiscountProcessorImpl.java

public Receipt processDiscountOrder(PurchaseOrder order, DiscountStrategy discountStrategy) throws Exception {

    order.setProcessedTime(Calendar.getInstance().getTime());
    float cost = order.getItemCost();
    float discountAmt = cost * discountStrategy.discountRate;
    order.setDiscountAmount(discountAmt);

    Receipt receipt = new Receipt();

    receipt.setPurchaseAmt(cost);//www.  ja va  2  s  .  c  o  m
    receipt.setDiscountedAmount(discountAmt);
    receipt.setAuthcode(Math.round(Math.random() * 2000000));

    return receipt;
}

From source file:fr.pasteque.client.models.Payment.java

public Payment(PaymentMode mode, double amount, double given) {
    this.mode = mode;
    this.amount = amount;
    this.given = given;
    this.innerId = (int) (Math.random() * Integer.MAX_VALUE);
}

From source file:codeswarm.processing.ColorTest.java

public int assign() {
    return PApplet.lerpColor(c1, c2, (float) Math.random(), PConstants.RGB);
}