Question

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Java: generating random number in a range

How do I generate a random value between two numbers. Random.nextInt() gives you between 0 and the passed value. How do I generate a value between minValue and a maxValue

Answer 1

Write a method like:

public static int getRandom(int from, int to) {
    if (from < to)
        return from + new Random().nextInt(Math.abs(to - from));
    return from - new Random().nextInt(Math.abs(to - from));
}

This also takes account for facts, that nextInt() argument must be positive, and that from can be bigger then to.