Java tutorial
import java.math.BigInteger; public class Main { public static void main(String[] args) { // assign values to bi1, bi2 BigInteger bi1 = new BigInteger("6"); BigInteger bi2 = new BigInteger("-6"); // perform not operation on bi1 and bi2 BigInteger bi3 = bi1.not(); BigInteger bi4 = bi2.not(); System.out.println(bi3); System.out.println(bi4); } }