자격증/OCJP_ExamC

QUESTION 11

IT grow. 2018. 7. 21. 17:06
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QUESTION 11
Given:
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*/ } }
F. public class Employee extends Info implements Data{ public void Data.load() { /*do something*/ } public void Info.load() { /*do something*/ } }
Solution : A



plus imformation 


abstract --> extends 

interface -->implements


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