- Processing
- p5.js
- Processing.py
- Processing for Android

- Processing Foundation

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 | StringDict
Name | ### hasKey()
Examples |
    StringDict inventory;

    void setup() {
      size(200, 200);
      inventory = new StringDict();
      inventory.set("coffee","black");
      inventory.set("flour","white");
      inventory.set("tea","green");
      println(inventory);noLoop();
      if (inventory.hasKey("tea") == true) {
        println("Yes, we have tea.");
      } else {
        println("Sorry, no tea.");
      }
    }
Description | Check if a key is a part of the data structure.
Syntax |
    .hasKey(key)
Returns | boolean

Updated on November 10, 2017 05:36:31pm EST