Name

remove()

Class

JSONArray

Description

Removes the element from a JSONArray in the specified index position. Returns either the value associated with the given index, or null, if there is no value.

Examples

  • // The following short JSON file called "data.json" is parsed 
    // in the code below. It must be in the project's "data" folder.
    //
    // [
    //   {
    //     "id": 0,
    //     "species": "Capra hircus",
    //     "name": "Goat"
    //   },
    //   {
    //     "id": 1,
    //     "species": "Panthera pardus",
    //     "name": "Leopard"
    //   },
    //   {
    //     "id": 2,
    //     "species": "Equus zebra",
    //     "name": "Zebra"
    //   }
    // ]
    
    JSONArray values;
    
    void setup() {
    
      values = loadJSONArray("data.json");
    
      values.remove(0);  // Remove the array's first element
    
      for (int i = 0; i < values.size(); i++) {
        
        JSONObject animal = values.getJSONObject(i); 
    
        int id = animal.getInt("id");
        String species = animal.getString("species");
        String name = animal.getString("name");
    
        println(id + ", " + species + ", " + name);
      }
    }
    
    // Sketch prints:
    // 1, Panthera pardus, Leopard
    // 2, Equus zebra, Zebra
    

Syntax

  • .remove(index)

Parameters

  • index(int)the index value of the element to be removed

Return

  • Object