Method isCycle

12_LinkedList.java/LL.java:218–229

()

    }

    public boolean isCycle() {
        Node slow = head;
        Node fast = head; 
        while(fast!=null && fast.next!=null) {
            fast = fast.next.next;
            slow = slow.next;
            if(fast == slow) {
                return true;
            }
        }
        return false;
    }

    public Node removeCycle() {
        Node slow = head;