Java BigInteger.bitCount()
Syntax
BigInteger.bitCount() has the following syntax.
public int bitCount()
Example
In the following code shows how to use BigInteger.bitCount() method.
/* ww w . j av a2 s. c om*/
import java.math.BigInteger;
public class Main {
public static void main(String[] args) {
BigInteger bi1 = new BigInteger("7");
BigInteger bi2 = new BigInteger("-7");
// perform bitcount operation on bi1, bi2
int i1 = bi1.bitCount();
int i2 = bi2.bitCount();
System.out.println(i1);
System.out.println(i2);
}
}
The code above generates the following result.
