第17題 Given: 1. public class Blip{ 2. protected int blipvert(int x){return 0;} 3. } 4. class Vert extends Blip{ 5. //insert code here 6. } Which five methods, inserted independently at line 5, will compile? (Choose five.) (A) public int blipvert(int x){return 0;} (B) private int blipvert(int x){return 0;} (C) private int blipvert(long x){return 0;} (D) protected long blipvert(int x){return 0;} (E) protected int blipvert(long x){return 0;} F. protected long blipvert(long x){return 0;} G. protected long blipvert(int x, int y){return 0;}

第26題 Given: 10. interface Jumper{public void jump();} ... 20. class Animal{} ... 30. class Dog extends Animal{ 31. Tail tail; 32. } ... 40. class Beagle extends Dog implements Jumper{ 41. public void jump(){} 42. } ... 50. class Cat implements Jumper{ 51. public void jump(){} 52. } Which three are true? (Choose three.) (A) Cat is-a Animal (B) Cat is-a Jumper (C) Dog is-a Animal (D) Dog is-a Jumper (E) Cat has-a Animal F. Beagle has-a Tail G. Beagle has-a Jumper

第32題 Given: 1. class Mammal{} 2. 3. class Raccoon extends Mammal 4. Mammal m = new Mammal(); 5. } 6. 7. class BabyRaccoon extends Mammal{} Which four statments are true? (Choose four.) (A) Raccoon is-a Mammal. (B) Raccoon has-a Mammal. (C) BabyRaccoon is-a Mammal. (D) BabyRaccoon is-a Raccoon. (E) BabyRaccoon has-a Mammal. SCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版 17 F. BabyRaccoon is-a BabyRaccoon.

第33題 Given: 2. public class Hi{ 3. void m1(){} 4. protected void m2(){} 5. } 6. class Lois extends Hi{ 7. //insert code here 8. } Which four code fragments, inserted independently at line 7, will compile? (Choose four.) (A) public void m1(){} (B) protected void m1(){} (C) private void m1(){} (D) void m2(){} (E) pubic void m2(){} F. protected void m2(){} G. private void m2(){}

第34題 Which four statements are true? (Choose four.) (A) Has-a relationships should never be encapsulated. (B) Has-a relationships should be implemented using inheritance. (C) Has-a relationships can be implemented using instance variables. (D) Is-a relationships can be implemented using the extends keyword. (E) Is-a relationships can be implemented using the implements keyword. F. The relationship between Movie and Actress is an example of an is-a relationship. G. An array or a collection can be used to implement a one-to-many has-a relationship.

第36題 Given: public class Doubler{ public static int doubleMe(Holder h){ return h.getAmount() * 2; } } and: public class Holder { int amount = 10; public void doubleAmount(){amount = Doubler.doubleMe(this);} public in getAmount(){return amount;} //more code here } Place the code framgmets in position to reduce the coupling between Doubler and Holder. public class Doubler{ public static int doubleMe( Place here h){ return Place here * 2; } } public class Holder { int amount = 10; public void doubleAmount(){amount = Doubler.doubleMe( Place here );} SCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版 19 public in getAmount(){return amount;} //more code here } Code Fragments void Holder int Doubler h.getAmount() h this amount

第47題 Place the Types in one of the Type columns, and the Relationships in the Relationship column, to define appropriate has-a and is-a relationships: Type Relationship Type Relationship Types Place here Place here Animal is-a Dog Forest Place here Place here has-a Side Rectangle Place here Place here Tail Place here Place here Programming Book Square Tree Book Java Book Pen

第49題 Place code framgmets into position so the output is: The quantity is 420 Place here update(int quantity, int adjust){ Place here } public void callUpdate(){ int quant = 100; Place here System.out.println("The quantity is " + quant); } Code Fragments public int quantity = quantity + adjust; update(quant, 320); public void quant = update(quant, 320); public int update(int quantity, int adjust){ } public void callUpdate(){ int quant = 100; quant = update(quant, 320); System.out.println("The quantity is " + quant); }

二、填充題（20%，每格 2 分） 1. 污染環境係指因輻射作業而改變 (1) 、 (2) 或 (3) 原有之放射性物質含量，致影響其正常用途，破壞自然生態 或損害財物。

2. 設施經營者應依主管機關規定，依其輻射工作場所之設施、輻射作業特性及 輻射曝露程度，劃分輻射工作場所為 (4) 及 (5) 。

3. 國際放射防護委員會依放射性物質在肺部之生物滯留時間將放射性物質分 為 （6） 、 （7） 、 （8） 三級。

104年 - SCJP 201-244#99410

104年 - SCJP 51-100#99391

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