Java list to json using Jackson example

Program

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.ObjectWriter;
import org.codehaus.jackson.util.DefaultPrettyPrinter;

public class JavaListToJsonFile {
	public static void main(String[] args) throws JsonGenerationException,
			JsonMappingException, IOException {

		Map<String, Object> person = new HashMap<String, Object>();
		List<String> marks = new ArrayList<String>();
		person.put("name", "Arvind");
		person.put("id", "2");
		marks.add("50");
		marks.add("70");
		marks.add("60");
		person.put("Marks", marks);

		ObjectMapper mapper = new ObjectMapper();

		ObjectWriter writer = mapper.writer(new DefaultPrettyPrinter());
		writer.writeValue(new File("JacksonFile/dataThree.json"), person);
		System.out.println(person);
		System.out.println("--Done--");

	}
}

Output

--Done--

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