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:com.strider.datadefender.extensions.BiographicFunctions.java

private static int randBetween(final int start, final int end) {
    return start + (int) Math.round(Math.random() * (end - start));
}

From source file:CookieBagV2.java

private void addRandomCookies() {
    int count = (int) (Math.random() * 10);
    int pick = (int) (Math.random() * 10);
    pick = pick > 6 ? 6 : pick;/*from w  ww. j  a v a 2 s .  c o  m*/
    if (count > 5)
        cookieBag.add(cookieJar[pick], count);
    else
        sortedCookieBag.add(cookieJar[pick], count);
}

From source file:Main.java

@Override
public void run() {
    try {//from  w w  w. j a va 2 s.  co m
        Thread.sleep(1000 + (int) (Math.random() * 3000));
        System.out.println(next());
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        latch.countDown();
    }
}

From source file:boutiqueEnLigne.service.GenerationNouveauCodePromoService.java

public void generate(int length, TypeCode tc, Double valeur) {
    String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"; // Tu supprimes les lettres dont tu ne veux pas
    String pass = "";
    for (int x = 0; x < length; x++) {
        int i = (int) Math.floor(Math.random() * 62); // Si tu supprimes des lettres tu diminues ce nb
        pass += chars.charAt(i);/* w w  w . j a  v  a 2s .co  m*/
    }
    System.out.println(pass);
    CodePromo cp = new CodePromo();
    cp.setCode(pass);
    cp.setTypecode(tc);
    cp.setValeur(valeur);
    codePromoService.save(cp);

}

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

public PurchaseOrder getRandomOrder() {
    PurchaseOrder order = new PurchaseOrder();
    order.setItemCost((float) (Math.random() * 100.00));
    return order;
}

From source file:org.jongo.mocks.UserMock.java

public static UserMock getRandomInstance() {
    final UserMock instance = new UserMock();
    instance.name = new BigInteger(100, random).toString(32);
    instance.age = 1 + (int) (Math.random() * ((100 - 1) + 1));
    instance.birthday = dateFTR.parseDateTime(getRandomBirthDate());
    instance.lastupdate = new DateTime();
    instance.credit = new BigDecimal(random.nextDouble());
    return instance;
}

From source file:boutiqueEnLigne.service.GenerationCodeService.java

public String generateString(int length) {
    StringBuilder pass = new StringBuilder(charLength);

    boolean codeValide = false;

    do {//from   ww w  . jav  a 2  s.  c om
        for (int x = 0; x < length; x++) {
            int i = (int) (Math.random() * charLength);
            pass.append(chars.charAt(i));
        }

        Codepromo cp = codepromoService.findOneByCode(pass.toString());

        if (cp != null) {
            pass = new StringBuilder(charLength);
        }
        codeValide = true;

    } while (codeValide = false);

    return pass.toString();

}

From source file:com.sasav.blackjack.dao.GameDao.java

public Card pullRandomCardFromDeck(Game game, GameActor actor) {
    ArrayList<Card> cardDeck = game.getCardDeck();
    int index = (int) (Math.random() * cardDeck.size());
    Card card = cardDeck.get(index);//from  w  w w. ja  v  a2s.  c o m
    cardDeck.remove(index);
    Session session = sessionFactory.openSession();
    session.flush();
    session.close();
    return null;
}

From source file:com.marcosanta.service.impl.RecuperaServiceImpl.java

@Override
public String generaContrasena() {
    String contrasena = "";
    int longitud = base.length();
    for (int i = 0; i < 10; i++) {
        int numero = (int) (Math.random() * (longitud));
        String caracter = base.substring(numero, numero + 1);
        contrasena = contrasena + caracter;
    }/*from w  ww.java2 s . co m*/
    return contrasena;
}

From source file:io.spring.controller.EnrichmentController.java

@GetMapping("/enrich")
public String enrich() {
    if (Math.random() > .5) {
        throw new RuntimeException("I screwed up");
    } else {//w  w  w.  jav a  2 s .com
        this.count++;

        return String.format("Enriched %s", this.count);
    }
}