Example usage for java.util Random Random

Introduction

In this page you can find the example usage for java.util Random Random.

Prototype

public Random()

Source Link

Document

Creates a new random number generator.

Usage

From source file:Main.java

public static int generateState(int previous) {
    int generated = new Random().nextInt(4);
    return generated != previous ? generated : generateState(previous);
}

From source file:Main.java

public static int randomInt(int min, int max) {
    Random random = new Random();
    int randomInt = random.nextInt((max - min) + 1) + min;
    return randomInt;
}

From source file:Main.java

public static String getRandomNum() {
    StringBuffer sb = new StringBuffer();
    Random random = new Random();
    for (int i = 0; i < 3; i++) {
        sb.append(random.nextInt(9));//from   w w  w  .j a v a  2 s.  co  m
    }
    return sb.toString();
}

From source file:Main.java

public static int getRandomNumber(int start, int end) {
    end++;/*from w  ww .  ja  v  a 2s. com*/
    Random random = new Random();
    int result = -1;

    if (start == 0) {
        result = random.nextInt(end);
    } else {
        result = random.nextInt(end);
        if (result < start) {
            result = result + start;
        }
    }
    return result;
}

From source file:Main.java

public static int handleRange(int i1, int i2) {
    Random rand = new Random();
    int result;/*from  ww  w . j a  va2  s  . c  om*/
    int range;
    int loc;
    if (Double.valueOf(i1) > Double.valueOf(i2)) {
        range = (int) ((Double.valueOf(i1) * 100) - (Double.valueOf(i2) * 100));
        loc = (int) (Double.valueOf(i2) * 100);
    } else {
        range = (int) ((Double.valueOf(i2) * 100) - (Double.valueOf(i1) * 100));
        loc = (int) (Double.valueOf(i1) * 100);
    }
    result = (loc + rand.nextInt(range + 1)) / 100;
    return result;
}

From source file:Main.java

public static int getRandom(int max, int min) {
    // TODO Auto-generated method stub
    Random random = new Random();
    int getRandom = random.nextInt(max - min + 1) + min;
    return getRandom;
}

From source file:Main.java

public static int getRnd() {
    if (random == null) {
        random = new Random();
    }/*from w  w w .  j  a  v  a 2  s.c  o m*/
    return random.nextInt();
}

From source file:Main.java

public static int getRandomNumber(int[] randomNumber) {
    int length = randomNumber.length;
    Random ran = new Random();
    return randomNumber[ran.nextInt(length)];
}

From source file:Main.java

public synchronized static Long createId() {
    int max = 999;
    int min = 100;
    Random random = new Random();
    Integer s = random.nextInt(max) % (max - min + 1) + min;
    Long currentTimeMillis = System.currentTimeMillis();
    return Long.parseLong(currentTimeMillis.toString() + s.toString());
}

From source file:Main.java

public static String genRandomSeq(int length) {
    String val = "";

    Random random = new Random();
    for (int i = 0; i < length; i++) {
        // Determine character or digit
        String charOrNum = random.nextInt(2) % 2 == 0 ? "char" : "num";

        if ("char".equalsIgnoreCase(charOrNum)) {
            int choice = random.nextInt(2) % 2 == 0 ? 65 : 97;
            val += (char) (choice + random.nextInt(26));
        } else if ("num".equalsIgnoreCase(charOrNum)) {
            val += String.valueOf(random.nextInt(10));
        }//from  w ww .j  a  va 2  s.  c  o m
    }

    return val;
}