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/JsonNaming.java

package com.fasterxml.jackson.databind.annotation;

import java.lang.annotation.*;

import com.fasterxml.jackson.databind.PropertyNamingStrategy;

/**
 * Annotation that can be used to indicate a {@link PropertyNamingStrategy}
 * to use for annotated class. Overrides the global (default) strategy.
 * Note that if the {@link #value} property is omitted, its default value
 * means "use default naming" (that is, no alternate naming method is used).
 * This can be used as an override with mix-ins.
 * 
 * @since 2.1
 */
@Target({ElementType.ANNOTATION_TYPE, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@com.fasterxml.jackson.annotation.JacksonAnnotation
public @interface JsonNaming
{
    /**
     * @return Type of {@link PropertyNamingStrategy} to use, if any; default value of
     *    <code>PropertyNamingStrategy.class</code> means "no strategy specified"
     *    (and may also be used for overriding to remove otherwise applicable
     *    naming strategy)
     */
    public Class<? extends PropertyNamingStrategy> value() default PropertyNamingStrategy.class;
}

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