To clear a bit in a BigInteger in Java, use the clearBit() method. It returns a BigInteger whose value is equivalent to this BigInteger with the designated bit cleared.
import java.math.*; public class BigIntegerDemo { public static void main(String[] args) { BigInteger one, two; one = new BigInteger("7"); two = one.clearBit(2); System.out.println("Result: " +two); } }
Result: 3
Let us see another example.
import java.math.*; public class Demo { public static void main(String[] args) { BigInteger bi1, bi2; bi1 = new BigInteger("8"); bi2 = bi1.clearBit(2); String str = "Clearbit operation on " +bi1+ " at index 2 gives " +bi2; System.out.println( str ); } }
Clearbit operation on 8 at index 2 gives 8