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    JavaµÄ»Øµ÷·½·¨²»ÏñcÄÇÑù¿ÉÒÔÖ±½Ó´«µÝÒ»¸ö·½·¨£¬java´«µÝµÄÊÇÒýÓã¬ËùÒÔjava¶Ô·½·¨»Øµ÷µÄ½â¾ö°ì·¨ÊÇÖ±½Ó´«µÝÒ»¸ö½Ó¿Ú£¬¶Ô½Ó¿Ú½øÐÐʵÏÖ¡£ÏÂÃæÊÇÒ»¸öÀý×Ó
Ê×Ïȶ¨ÒåÒ»¸ö½Ó¿ÚCar£¬ÓÐÒ»¸örunµÄ·½·¨ÉùÃ÷
Java´úÂë
package ocm.callback;  
 
public interface Car {  
 
    public void run();  

package ocm.callback;
public interface Car {
 public void run();
}
¶¨ÒåÒ»¸öEmployeeÀ࣬¹ÍÔ±¿ª³µÈ¥Éϰ࣬ÓиöshangBan(Car car)·½·¨
Java´úÂë
package ocm.callback;  
 
public class Employee {  
 
    public void shangBan(Car car){  
        System.out.println("********run() start***********");  
        car.run();  
        System.out.println("********run() end***********");  
        System.out.println("µ½ÁË!");  
    }  
      
    public void otherMethod(){  
        System.out.println("ÆäËü·½·¨");  
    }  

package ocm.callback;
public class Employee {
 public void shangBan(Car car){
  System.out.println("********run() start***********");
  car.run();
  System.out.println("********run() end***********");
  System.out.println("µ½ÁË!");
 }
 
 public void otherMethod(){
  System.out.println("ÆäËü·½·¨");
 }
}
¶¨Òå¿Í»§¶ËClient
Java´úÂë
/** 
 * »Øµ÷·½·¨Ö÷ÒªÊDZ»µ÷Õߣ¨·½·¨£©µ÷Óõ÷ÓÃÕߣ¨·½·¨£©£¬ÒÔ»ñÈ¡µ÷ÓÃÕßµÄһЩÐÅÏ¢£¬»ò´«µÝÐÅÏ¢ºÍ״̬µÈ 
 
 */ 
class Client{  
    private int speed;  
      


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