counter.java

来自「卡内基梅隆大学软件工程课件,很全面」· Java 代码 · 共 28 行

/*
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */

package util;

public class Counter {
   private int counter;
   public Counter() {
      counter = 0;
   }
   public synchronized int getCounter() {
      return counter;
   }
   public synchronized int setCounter(int c) {
      counter = c;
      return counter;
   }
   public synchronized int incCounter() {
      return(++counter);
   }
}