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This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Class | JSONArray
Name | ### size()
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");

      println("JSONArray size is " + values.size());
    }

    // Sketch prints:
    // JSONArray size is 3
Description | Gets the total number of elements in a JSONArray (inclusive of null elements).
Syntax |
    .size()
Returns | int
Related | append() remove()

Updated on July 4, 2018 11:56:45am EDT