public void set(int id, int address) {
if (map.containsKey(id)) {
map.put(id, address);
} else if (superEnvironment != null) {
superEnvironment.set(id, address);
}
}
public int get(int id) {
if (map.containsKey(id)) {
return map.get(id);
} else if (superEnvironment != null) {
return superEnvironment.get(id);
}
return -1;
}