試題詳解

10. interface Data { public void load()； } 

11. abstract class Info { public abstract void load()； }

 Which class correctly uses the Data interface and Info class?
(A) public class Employee extends Info implements Data {public void load(){ /* do something */ } }
(B) public class Employee implements Info extends Data { public void load(){ /* do something */ } }
(C) public class Employee extends Info implements Data public void load(){ /* do something */ } public void Info.load(){ /* do something */ } }
(D) public class Employee implements Info extends Data { public void Data.load(){ /* do something */ } public void load(){ /* do something */ } }
(E) public class Employee implements Info extends Data { public void load(){ /* do something */ } public void Info.load(){ /* do something */ }