All numbers of the form 2*n + 1 are odd. So one way to generate a random odd number would be, to generate a random integer, multiply it by 2, and add 1 to it: int n = random.nextInt(); int r = 2 …

Aug 1, 2018 · Instead, you should loop until a number meets the criteria, and only then return it: public static String generateRandomOddNumbersWithinRange(){ int randomNum = 0; do { …

Therefore, to generate an odd number, we can simply generate a random number within the desired range and bitwise-or it with 1: ThreadLocalRandom.current().nextInt(0, 1_000) | 1 With …

Jan 8, 2024 · The most commonly used random number generator is Random from the java.util package. To generate a stream of random numbers, we need to create an instance of a …

Apr 24, 2025 · Random numbers are widely used in programming for simulations, gaming, security, etc. There are multiple ways to generate random numbers using built-in methods and …

Sep 6, 2023 · Learn to generate random numbers (ints, floats) in a range using new methods added in Java 8 in Random, SecureRandom and ThreadLocalRandom.

You can use Math.random() method to generate a random number. To get more control over the random number, for example, if you only want a random number between 0 and 100, you can …

Jul 4, 2019 · In this Java tutorial, you will learn how to generate random numbers using the random method of the Math class and methods of the java.util.Random class. Remember that …

Jan 8, 2024 · Java 1.7 release brought us a new and more efficient way of generating random numbers via the ThreadLocalRandom class. This one has three important differences from the …

Mar 31, 2017 · To generate an odd number from a integer you can use n * 2 + 1 Really you are generating random numbers and applying a transformation afterwards int num = min / 2 + …