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

- 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 | FloatDict
Name | ### hasKey()
Examples |
    FloatDict inventory;

    void setup() {
      size(200, 200);
      inventory = new FloatDict(goods, amounts);
      inventory = new FloatDict();
      inventory.set("coffee",108.6);
      inventory.set("flour",5.8);
      inventory.set("tea",8.2);
      println(inventory);
      if (inventory.hasKey("flour") == true) {
        println("Yes, we have flour.");
      } else {
        println("Sorry, no flour.");
      }
    }
Description | Check if a key is a part of the data structure.
Syntax |
    .hasKey(key)
Returns | boolean

Updated on January 1, 2021 03:38:09am EST
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