I genius official free tutorial 24: Random Number of Java common classes Math class and Random class

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Math class: Mathematical class, including ABS () absolute value, sin () sine function, cos () cosine function, etc.
Random class: Gets the stochastic number of various data types

Example: Import java.util.random;/** * Demo get random number * @author Genius Federation-Yukun */public class Mathdemo {public static void main (string[] Arg s) {//Create the Random object random random = new random ();//Gets a double of type 0 to 1 for a double D = random.nextdouble (); System.out.println (d);//Gets a double of type 0 to 1 of the random number//its method is also implemented using random.nextdouble () to implement double Mr = Math.random (); System.out.println (MR);}}

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I genius official free tutorial 24: Random Number of Java common classes Math class and Random class