Java Interface

interface Greeting{
 public void say();
}

class Korea implements Greeting {
 public void say(){
  System.out.println("한국 인사: 안녕" );
 }
}

class America implements Greeting{
 public void say(){
  System.out.println("English say!!");
 }
}

public class InterfaceTest {

 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  Korea kor = new Korea();
  America eng = new America();
  
  kor.say();
  eng.say();
 }

}