reverse bits java
public class MyClass {
// function to reverse bits of a number
public static int reverseBits(int n) {
int rev = 0;
while (n > 0) {
rev <<= 1;
if ((int)(n & 1) == 1)
rev ^= 1;
n >>= 1;
}
return rev;
}
public static void main(String[] args) {
int n = 11;
System.out.println(reverseBits(n));
}
}