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Java语言程序设计（一）(04747) > 正文内容
class Superclass {
public void method ( ) {
System.out println ("superclass! ");
}
}
class SubClass extends Superclass{
public void method ( ){
System.out println("subclass! ");
}
}
public class Test
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。
A.SuperClass SuperClass
B.SubClass SubClass
C.SuperClass SubClass
D.SubClass SuperClass
正确答案是C
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