Testdome Java Questions — And Answers
public void attachWagonFromLeft(int wagonId) deque.addFirst(wagonId);
// Step 3: Inject via constructor class AlertService private final AlertDAO storage; testdome java questions and answers
// Given a list of permissions (READ, WRITE, DELETE), return true if user can perform action enum Permission READ, WRITE, DELETE class User Set<Permission> permissions; public boolean can(Permission p) ... public void attachWagonFromLeft(int wagonId) deque
public int detachWagonFromRight() if (deque.isEmpty()) return -1; return deque.removeLast(); DELETE class User Set<