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

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

You can also browse Jackson Core Source Code below:

⏎ com/fasterxml/jackson/core/io/JsonEOFException.java

package com.fasterxml.jackson.core.io;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;

/**
 * Specialized {@link JsonParseException} that is thrown when end-of-input
 * is reached unexpectedly, either within token being decoded, or during
 * skipping of intervening white-space that is not between root-level
 * tokens (that is, is within JSON Object or JSON Array construct).
 *
 * @since 2.8
 */
public class JsonEOFException extends JsonParseException
{
    private static final long serialVersionUID = 1L;

    /**
     * Type of token that was being decoded, if parser had enough information
     * to recognize type (such as starting double-quote for Strings)
     */
    protected final JsonToken _token;
    
    public JsonEOFException(JsonParser p, JsonToken token, String msg) {
        super(p, msg);
        _token = token;
    }

    /**
     * Accessor for possibly available information about token that was being
     * decoded while encountering end of input.
     *
     * @return JsonToken that was being decoded while encountering end-of-input
     */
    public JsonToken getTokenBeingDecoded() {
        return _token;
    }
}

⏎ com/fasterxml/jackson/core/io/JsonEOFException.java

Or download all of them as a single archive file:

File name: jackson-core-2.14.0-sources.jar
File size: 497693 bytes
Release date: 2022-11-05
Download 

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⇑ Downloading and Reviewing jackson-*.jar

⇑⇑ Jackson - Java JSON library