回答问题1，,public class

回答问题1，,public class

public class IncDecTimerAdapter implements IncDec {   private static Logger logger = ...;   private final IncDec incDecToTime;   public IncDecTimerAdapter(IncDec incDecToTime) {      this.incDecToTime = incDecToTime;   }   public void increment() {      long start = System.currentTimeMillis();      try {         incDecToTime.increment();      } finally {         long duration = System.currentTimeMillis() - start;         logger.debug("Time to increment: %0 (in millis)", duration);      }   }   public void decrement() {      long start = System.currentTimeMillis();      try {         incDecToTime.decrement();      } finally {         long duration = System.currentTimeMillis() - start;         logger.debug("Time to decrement: %0 (in millis)", duration);      }   }}