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/annotation/JacksonStdImpl.java

package com.fasterxml.jackson.databind.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import com.fasterxml.jackson.annotation.JacksonAnnotation;

/**
 * Marker interface used to indicate implementation classes
 * (serializers, deserializers etc) that are standard ones Jackson
 * uses; not custom ones that application has added. It can be
 * added in cases where certain optimizations can be made if
 * default instances are uses; for example when handling conversions
 * of "natural" JSON types like Strings, booleans and numbers.
 */
@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@JacksonAnnotation
public @interface JacksonStdImpl {

}

⏎ com/fasterxml/jackson/databind/annotation/JacksonStdImpl.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