package pp; import java.util.concurrent.locks.Lock; public interface IPhilosopher { void run(); void setLeft(IPhilosopher left); void setRight(IPhilosopher right); void setSeat(int seat); void setTable(Lock table); void start(); void stopPhilosopher(); default void log(int seat, String message) { synchronized (Philosopher.class) { for (var i = 1; i <= seat; i++) { System.out.print(" "); } System.out.println("P" + seat + ": " + message); } } }