Boilerplate to get some slightly more useful keyboard input functions in Processing

kb_boilerplate.pde

import java.util.HashMap;

HashMap<Integer, Boolean> CodedKeys = new HashMap<Integer, Boolean>();
HashMap<Character, Boolean> CharKeys = new HashMap<Character, Boolean>();

void keyPressed() {
  if (key == CODED) {
    CodedKeys.put(keyCode, true);
  } else {
    CharKeys.put(key, true);
  }
}

void keyReleased() {
  if (key == CODED) {
    CodedKeys.put(keyCode, false);
  } else {
    CharKeys.put(key, false);
  }
}

boolean isKeyDown(char the_key) {
  Boolean result = CharKeys.get(the_key);
  return result != null ? result : false;
}

boolean isKeyDown(int the_key) {
  Boolean result = CodedKeys.get(the_key);
  return result != null ? result : false;
}