/Java/Implementing iterator for linked list java

Implementing iterator for linked list java

public class BasicLinkedList<T> implements Iterable<T> {
    public int size;

    private class Node {
        private T data;
        private Node next;

        private Node(T data) {
            this.data = data;
            next = null;
        }
    }

    private Node head;
    private Node tail;

    public BasicLinkedList() {
        head = tail = null;
    }
//Add, remove method 

public Iterator<T> iterator() {
        return new Iterator<T>() {

            Node current = head;

            @Override
            public boolean hasNext() {
                return current != null;
            }

            @Override
            public T next() {
                if(hasNext()){
                    T data = current.data;
                    current = current.next;
                    return data;
                }
                return null;
            }

            @Override
            public void remove(){
                throw new UnsupportedOperationException("Remove not implemented.");
            }

        };

Source: stackoverflow.com

Similar codes

2 votes169 views1 answer
Android check if app is running
Java
-1 vote165 views1 answer
Class java.lang.Integer cannot be cast to class java.lang.Long (java.lang.Integer and java.lang.Long are in module java.base of loader 'bootstrap')
Java
0 vote202 views1 answer
How to change the tomcat port in spring boot
Java Spring
0 vote158 views1 answer
Bigint is built in object
Java
2 votes120 views1 answer
How to get list from json object in java
Java
0 vote246 views1 answer
Android access main toolbar in fragment
Java
5 votes220 views3 answers
Random string generator java
Java
0 vote222 views1 answer
How to get a set from a map in java
Java
1 vote222 views1 answer
Statement delete sql java
Java
0 vote198 views1 answer
@bean annotation in spring boot
Java Spring