randomnumber.java~1~

来自「操作系统课程设计」· JAVA~1~ 代码 · 共 35 行

/**
 * 产生一个随机数
 *
 */

/**
 * @author 阿赞
 *
 */
public class RandomNumber {
        public RandomNumber() {

        }
        public int random() {
                double a = (new java.util.Random()).nextDouble();
                //double a = (new java.util.Random()).nextDouble();
                //double a = (new java.util.Random()).nextFloat();
                //double a = (new java.util.Random()).nextGaussian();
                //double a = Math.random();
                int z = 1+(int)(300*a);
                return (int)z;
        }

        public int random1() {
                //double a = (new java.util.Random()).nextDouble();
                //double a = (new java.util.Random()).nextDouble();
                //double a = (new java.util.Random()).nextFloat();
                //double a = (new java.util.Random()).nextGaussian();
                double a = Math.random();
                int z = (int)(200*a);
                return (int)z;
        }

}