Java Program to Generate Random Numbers Using Multiply with Carry Method Last Updated : 14 Mar, 2023 Comments Improve Suggest changes Like Article Like Report In computer science, multiply-with-carry (MWC) is a method invented by George Marsaglia for generating sequences of random integers based on an initial set from two to many thousands of randomly chosen seed values. The main advantage of the MWC method is that it invokes simple computer integer arithmetic and leads to the very fast generation of sequences of random numbers with immense periods, ranging from around 260 to 22000000. Example: Input : Length = 5 Output: 1581 16 1932 1969 1384 Input : Length = 2 Output: 985 3568Formula used: x(n) = (a*x(n-r) + c(n-1))mod n c(n) = (a*x(n-r) + c(n-1))/n where, a is any multiplier, m is modulus, c is carry, and r is a initial number of seeds. Java // Java Program to generate a random numbers // Based on Multiply with carry method import java.util.Random; public class Main { public static void main(String args[]) { int Maximum_Sequence_Elements = 10; Random random = new Random(); int Base = 2000; int Multiplier = random.nextInt(Base); int r = 1; int[] c = new int[Maximum_Sequence_Elements]; int[] x = new int[Maximum_Sequence_Elements]; c[0] = random.nextInt(Multiplier); x[0] = random.nextInt(Base); System.out.print("The random number sequence is: " + x[0]); // generating sequence for (int i = 1; i < Maximum_Sequence_Elements; i++) { x[i] = (Multiplier * x[i - r] + c[i - 1]) % Base; c[i] = (Multiplier * x[i - r] + c[i - 1]) / Base; System.out.print(" " + x[i]); } } } OutputThe random number sequence is: 508 1021 1549 857 414 1187 1425 1557 1945 1922 Time Complexity: O(Maximum_Sequence_Elements)Auxiliary Space: O(Maximum_Sequence_Elements) Comment More infoAdvertise with us Next Article Java Program to Generate Random Numbers Using Multiply with Carry Method P pawki Follow Improve Article Tags : Java Technical Scripter Java Programs Technical Scripter 2020 Practice Tags : Java Similar Reads Generate Random Numbers Using Middle Square Method in Java This method was proposed by Van Neumann. 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