Stack stack=new Stack(); int count=1,i=-1,max=0; while(n!=0) { stack.push(n%2); n=n/2; } while(!stack.isEmpty()) { if(stack.peek()==i) { count++; }

        if(max<count)
        {
            max=count;
        }
        i=stack.peek();

        if(i==0)
        {
            count=1;
        }
        stack.pop();
    }