Implementing a circular linked list in Java involves creating a linked list where the last node's "next" pointer points back to the first node, forming a closed loop. Here's a step-by-step guide on how to implement a simple circular linked list in Java:

1. Define a Node class:
   First, create a `Node` class to represent the elements in the circular linked list. Each node should contain a data element and a reference to the next node.

```java
class Node {
    int data;
    Node next;

    public Node(int data) {
        this.data = data;
        this.next = null;
    }
}
```

2. Create a CircularLinkedList class:
   Next, create a `CircularLinkedList` class to manage the circular linked list. This class will include methods to insert, delete, traverse, and display elements in the list.

```java
public class CircularLinkedList {
    private Node head;
    private Node tail;

    public CircularLinkedList() {
        this.head = null;
        this.tail = null;
    }

    // Method to insert a node at the end of the circular linked list
    public void insert(int data) {
        Node newNode = new Node(data);

        if (head == null) {
            head = newNode;
            tail = newNode;
        } else {
            tail.next = newNode;
            tail = newNode;
        }

        tail.next = head; // Connect the tail to the head to make it circular
    }

    // Method to delete a node by value
    public void delete(int data) {
        if (head == null) {
            return; // List is empty
        }

        Node current = head;
        Node previous = null;

        while (current.data != data) {
            if (current.next == head) {
                return; // Data not found in the list
            }

            previous = current;
            current = current.next;
        }

        if (current == head && current == tail) {
            head = tail = null; // Only one node in the list
        } else if (current == head) {
            head = head.next;
            tail.next = head;
        } else if (current == tail) {
            tail = previous;
            tail.next = head;
        } else {
            previous.next = current.next;
        }
    }

    // Method to traverse and display the circular linked list
    public void display() {
        if (head == null) {
            return; // List is empty
        }

        Node current = head;

        do {
            System.out.print(current.data + " ");
            current = current.next;
        } while (current != head);

        System.out.println();
    }
}


3. Test the CircularLinkedList:
   You can create an instance of the `CircularLinkedList` class and use it to insert, delete, and display elements in the circular linked list.


public class Main {
    public static void main(String[] args) {
        CircularLinkedList circularList = new CircularLinkedList();

        circularList.insert(1);
        circularList.insert(2);
        circularList.insert(3);
        circularList.insert(4);

        System.out.print("Circular Linked List: ");
        circularList.display(); // Output: 1 2 3 4

        circularList.delete(3);

        System.out.print("After deleting 3: ");
        circularList.display(); // Output: 1 2 4
    }
}
```

This example demonstrates the basic implementation of a circular linked list in Java, including insertion, deletion, and display operations. You can expand upon this foundation to add more functionality as needed for your specific use case.