The JSON is a lightweight, text-based and language-independent data exchange format. The JSON can represent two structured types like objects and arrays. A JSONArray can parse text from a String to produce a vector-like object. We can parse a nested JSON object using the getString(index) method of JSONArray. This is a convenience method for the getJSONString(index).getString() method and it returns a string value at the specified position.
Syntax
String getString(int index)
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Example
import java.util.*;import org.json.*;public class NestedJSONObjectTest { public static void main(String args[]) { String jsonDataString = "{userInfo : [{username:abc123}, {username:xyz123},{username:pqr123}, {username:mno123},{username:jkl123}]}"; JSONObject jsonObject = new JSONObject(jsonDataString); List list = new ArrayList(); JSONArray jsonArray = jsonObject.getJSONArray("userInfo"); for(int i = 0 ; i Output
abc123xyz123pqr123mno123jkl123
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