How to modify JsonNode in Java?

Question

I need to change a JSON attribute\'s value in Java, I can get the value properly but I couldn\'t modify the JSON.

here is the code below

  JsonNode          


        

Answer 1

JsonNode is immutable and is intended for parse operation. However, it can be cast into ObjectNode (and ArrayNode) that allow mutations:

((ObjectNode)jsonNode).put("value", "NO");

For an array, you can use:

((ObjectNode)jsonNode).putArray("arrayName").add(object.ge‌​tValue());