java钩子函数(javasocket钩子)

public interface Transactioner {
   
   



    String wedontknow() ;



}

public abstract class GouZi  {
   
   

public abstract void gouzi(Transactioner t);



}

public class Test extends GouZi{
   
   

public static void main(String []s){
   
   

        Test t = new Test();

        t.gouzi(new Transactioner() {
   
   
@Override
            public String wedontknow() {
   
   
return "this is from Transactioner---wedontknow";

            }

        });

    }

@Override
    public void gouzi(Transactioner t) {
   
   

        System.out.println("This is from gouzi function");

        System.out.print(t.wedontknow());

    }

}




===============

运行结果：

This is from gouzi function

this is from Transactioner---wedontknow