How can we convert a list to the JSON array in Java?
JavaJSONObject Oriented ProgrammingProgramming
The JSONis a lightweight, text-based and language-independentdata exchange format. The JSON can represent two structured types like objectsand arrays. An objectis an unordered collection of key/value pairs and an arrayis an ordered sequence of values.
We can convert a list to the JSON array using the JSONArray.toJSONString[] method and it is a staticmethodof JSONArray, it will convert a list to JSON textand the result is a JSON array.
Syntax
public static java.lang.String toJSONString[java.util.List list]Example
import java.util.*; import org.json.simple.*; public class ConvertListToJSONArrayTest { public static void main[String[] args] { List list = new ArrayList[]; list.add["India"]; list.add["Australia"]; list.add["England"]; list.add["South Africa"]; list.add["West Indies"]; list.add["Newzealand"]; // this method converts a list to JSON Array String jsonStr = JSONArray.toJSONString[list]; System.out.println[jsonStr]; } }Output
["India","Australia","England","South Africa","West Indies","Newzealand"]Raja
Published on 19-Sep-2019 08:30:36
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