class Superclass {
public void method ( ) {
System.out println ("superclass! ");
}
}
class SubClass extends Superclass{
public void method ( ){
System.out println("subclass! ");
}
}
public class Test {
public static void main( String args[ ] ){
Superclass superc = new Superclass ( );
SubClass subc = new SubClass ( );
Superclass ssc = new SubClass ( );
superc.method ( ) ;
subc. method ( );
ssc. method ( );
}
}
ssc声明的类型是（　），但它指向的是（　）的实例。