This reference is for Processing 2.0+. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.
| Class | |
|---|---|
| Name | hasKey() | 
| Examples | 
IntDict inventory;
void setup() {
  size(200, 200);
  inventory = new IntDict();
  inventory.set("cd",84);
  inventory.set("tapes",15);
  inventory.set("records",102);
  println(inventory);
  if (inventory.hasKey("records") == true) {
    println("Yes, we have records."); 
  } else {
    println("Sorry, no records.");
  }
}
 | 
| Description | Check if a key is a part of the data structure. | 
| Syntax | .hasKey(key) | 
| Returns | boolean | 
