試験準備には欠かさない！1z0-808問題解答で1z0-808試験問題集
リアルOracle 1z0-808試験問題 [更新されたのは2021年]
Oracle 1z0-808 認定試験の出題範囲：
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| トピック 9 |
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質問 63
Given:
What is the result?
- A. 9 5
- B. 81 25
- C. Compilation fails.
- D. 0 0
正解: A
解説:
質問 64
Given the code fragment:
Assume that the system date is June 20, 2014. What is the result?
A:
B:
C: Compilation fails.
D: A DateParseExceptionis thrown at runtime.
- A. Option D
- B. Option B
- C. Option C
- D. Option A
正解: D
質問 65
Given the following two classes: How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always equal to the value of the member variable kwh multiplied by the member variable rate?
Any amount of electricity used by a customer (represented by an instance of the customer class) must contribute to the customer's bill (represented by the member variable bill) through the method useElectricity method. An instance of the customer class should never be able to tamper with or decrease the value of the member variable bill.
- A. Option D
- B. Option B
- C. Option C
- D. Option A
正解: C,D
質問 66
Given the code fragment:
What is the result?
- A. Compilation fails
- B. 0 2 4
- C. 0 2 4 6
- D. 2 4
正解: B
質問 67
Given:
Acc.java:
Which statement is true?
- A. Only s is accessible via obj.
- B. Both p and s are accessible via obj.
- C. Both r and s are accessible via obj.
- D. p, r, and s are accessible via obj.
正解: A
質問 68
Given the code fragment:
What is the result?
- A. Compilation fails
- B. A B C D Work done
- C. A Work done
- D. A B C Work done
正解: C
質問 69
Given the code fragment:
Which two modifications, made independently, enable the code to compile?
- A. Make the method at line n4 public.
- B. Make the method at line n2 public.
- C. Make the method at line n3 protected.
- D. Make the method at line n3 public.
- E. Make the method at line n1 public.
正解: B,D
質問 70
Given:
And given the code fragment:
What is the result?
- A. Compilation fails
- B. C2C2
- C. C1C2
- D. C1C1
正解: B
質問 71
Given the following code:
What is the output?
- A. 4
21 - B. 4
5 - C. 3
5 - D. 4
7 - E. 5
4 - F. 4
4
正解: B
質問 72
Given these classes:
And given this main method:
Which two options compile when placed at line n1 of the main method? (Choose two.)
- A. employee.budget = 200_000;
- B. employee.salary = 50_000;
- C. director.stockOptions = 1_000;
- D. manager.budget = 1_000_000;
- E. manager.stockOption = 500;
- F. director.salary = 80_000;
正解: B,F
質問 73
Given:
What is the result?
- A. 10:20
- B. Compilation fails at line n2
- C. Compilation fails at line n1
- D. 0:20
正解: B
質問 74
Given the code fragment:
What is the result?
- A. It results in a compile time error at lines at lines 12 and 15.
- B. It results in a compile time error at line 9.
- C. It results in a compile time error at line 18.
- D. It prints : 1
正解: C
質問 75
Given the following code for the classes MyException and Test:
What is the result?
- A. A B
- B. A
- C. A compile time error occurs at line n1
- D. B
- E. Either A or B
正解: D
質問 76
Given:
What is the result?
- A. AnArrayIndexOutOfBoundsExceptionis thrown at runtime.
- B. ANullPointerExceptionis thrown at runtime.
- C. Compilation fails.
- D. nullRichardDonald
- E. RichardDonald
正解: B
質問 77
Given the code fragment:
What is the result if the integer aVar is 9?
- A. 10 Hello universe!
- B. Compilation fails.
- C. 10 Hello world!
- D. 9 Hello world!
正解: C
質問 78
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