第43題
Given:
1. class Plant{
2. private String name;
3. public Plant(String name){this.name = name;}
4. public String getName(){return name;}
5. }
6. public class Tree extends Plant{
7. public void growFruit(){}
8. public void dropLeaves(){}
9. }
What statement is true?
(A) The code will compile without changes.
(B) The code will compile if public Tree(){Plant();} is added to the Tree class.
SCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版
23
(C) The code will compile if public Plant(){Tree();} is added to the Plant class.
(D) The code will compile if public Plant(){this("fern");} is added to the Plant class.
(E) The code will compile if public Plant(){Plant("fern");} is added to the Plant class.
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