Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".

Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.14.0-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Databind Source Code below:

⏎ com/fasterxml/jackson/databind/util/ArrayIterator.java

package com.fasterxml.jackson.databind.util;

import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * Iterator implementation used to efficiently expose contents of an
 * Array as read-only iterator.
 */
@SuppressWarnings("IterableAndIterator") // only used internally, not exposed via API
public class ArrayIterator<T> implements Iterator<T>, Iterable<T> // lgtm [java/iterator-implements-iterable]
{
    private final T[] _a;
    
    private int _index;

    public ArrayIterator(T[] a) {
        _a = a;
        _index = 0;
    }
    
    @Override
    public boolean hasNext() { return _index < _a.length; }

    @Override
    public T next() {
        if (_index >= _a.length) {
            throw new NoSuchElementException();
        }
        return _a[_index++];
    }

    @Override public void remove() { throw new UnsupportedOperationException(); }
    @Override public Iterator<T> iterator() { return this; }
}

⏎ com/fasterxml/jackson/databind/util/ArrayIterator.java

Or download all of them as a single archive file:

File name: jackson-databind-2.14.0-sources.jar
File size: 1187952 bytes
Release date: 2022-11-05
Download 

⇒ Jackson Annotations Source Code

⇐ Download and Install Jackson Binary Package

⇑ Downloading and Reviewing jackson-*.jar

⇑⇑ Jackson - Java JSON library