randomnum.java

来自「j2me源代码」· Java 代码 · 共 22 行

package pinball;

import java.util.Random;

public class RandomNum {
    private static Random rnd;
    static {
        rnd = new Random();
    }

    public static int getRandomInt(int low, int high) {
        if (low == high) {
            return low;
        }

        return low + Math.abs(rnd.nextInt()) % (high - low);
    }

}