Java language

2 Linked List Using circular linked list of which each node contains one word, design a method that takes the head of the linked lists and return true if there is a duplicate word. Signature: Boolean checkDuplicate (Node yourVariableName) Note: the class name should be Duplicate 3 Recursion Print a SingleyLinked List in reverse order by using recursive algorithm. Signature: String reverse (Node yourVariableName) Note: the class name should be SingleyLinkedList