Do math operation for BigInteger
import java.math.BigInteger; public class Main { public static void main(String[] args) { BigInteger numberA = new BigInteger("98765432123456789"); BigInteger numberB = BigInteger.TEN; numberA = numberA.add(numberB); System.out.println("numberA = " + numberA); numberA = numberA.multiply(numberB); System.out.println("numberA = " + numberA); numberA = numberA.subtract(numberB); System.out.println("numberA = " + numberA); numberA = numberA.divide(numberB); System.out.println("numberA = " + numberA); numberA = numberA.mod(numberB); System.out.println("numberA = " + numberA); numberA = numberA.pow(2); System.out.println("numberA = " + numberA); numberA = numberA.negate(); System.out.println("numberA = " + numberA); } }