Processing FloatDict.keys()用法及代碼示例

FloatDict inventory;

void setup() {
  size(200, 200);
  inventory = new FloatDict();
  inventory.set("coffee",108.6);
  inventory.set("flour",5.8);
  inventory.set("tea",8.2);
  println(inventory); 
  for (String k : inventory.keys()) {
    println(k);
  }
}