The static random() method of Math class (available in the java.lang package) can also generate a random number in Java. Random Integer less than 10: 8 Random Integer less than 50: 20 Random Integer Between 20 to 30: 25 Random Double: 0.06373045731187232 Random Double less than 20: 9.083174360349421 Method 2: Using Math Class ("Random Double less than 20: "+random.nextDouble()*20) Creates a new random number generator using a single long seed. Generate Random number betwenn MIN and MAX In order to generate a random number between 1 and 50 we create an object of class and call its nextInt() method with 50 as argument. ("Random Integer less than 50: "+random.nextInt(50)) ("Random Integer less than 10: "+random.nextInt(10)) Similarly, we can use nextFloat(), nextLong(), nextShort(), etc to generate specific types of a random number in Java. In order to generate random integers using this class, we need to create an instance of the class first and then invoke methods such as nextInt(), nextDouble(). The nextInt(int MAX) method of the Random class (available in java.util package) returns a random integer less than MAX and the nextDouble() method of the same class returns the random floating value between 0 and 1. nextFloat () generates a float between 0.0 and 1.0. In Java, we can generate random numbers using the following two classes: Make the instance of the class Random, i.e., Random rand new Random () Invoke one of the following methods of rand object: nextInt (upperbound) generates random numbers in the range 0 to upperbound-1. Summary: In this programming example, we will learn to generate random numbers in Java.
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