Generate Random Numbers in Java

Generate Random Numbers in Java

You can generate Random numbers in Java using the Random class available in java.util package. The following is a code which generates Random numbers between 0 and 100:

 import java.util.Random ;public class RandomGenerator {   public static void main(String args[]){	int value = 101;	Random  rm = new Random();	// rm.nextInt() can return Integer.MIN_VALUE (i.e -2147483648) and  Math.abs(Integer.MIN_VALUE) returns Integer.MIN_VALUE  int randInt = (rm.nextInt() & Integer.MAX_VALUE) % value;	System.out.println( " Random Number : " + randInt );  }}

You can define seed value using setSeed(long seedValue). There is also get random boolean using nextBoolean() method .

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Editor’s Note: The text has been changed from the original. Thanks to Kevin Mukhar for pointing out a bug in the original version and for suggesting the following links: and

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