Java Integer bitCount() method
The bitCount() is a method of Integer class under java.lang package. It returns the number of one-bits in the two's complement binary representation of the specified int value. This function is sometimes referred to as the population count.
Following is the declaration of bitCount() method:
The bitCount() method returns the number of one-bits in the two's complement binary representation of the specified int value.
Java 1.5 and above
Example 1Test it Now
Example 2Test it Now
Entered Integer number is: 97 Binary Conversion: 1100001 Number of 1's bit are: 3
Enter the Integer value: 23 The input number is: 23 Binary Conversion: 10111 Number of 1's bit are: 4