1z0-808 Dumps PDF 2023 Strategy Your Preparation Efficiently
Latest Verified & Correct Oracle 1z0-808 Questions
NEW QUESTION # 81
Given the code fragment:
What is the result?
- A. Reading CardChecking Card
- B. Compilation fails only at line n2.
- C. Compilation fails only at line n3.
- D. Compilation fails at both line n2 and line n3.
- E. Compilation fails only at line n1.
Answer: C
NEW QUESTION # 82
Given:
The class is poorly encapsulated. You need to change the circle class to compute and return the area instead.
Which two modifications are necessary to ensure that the class is being properly encapsulated?
- A. Add the following method:
public double getArea ( ) {area = Match.PI * radius * radius; } - B. Change the getArea( ) method as follows:
public double getArea ( ) { return Match.PI * radius * radius; } - C. Remove the area field.
- D. Change the cacess modifier of the SerRadius ( ) method to be protected.
Answer: B,D
NEW QUESTION # 83
Which two are benefits of polymorphism?
- A. More efficient code at runtime
- B. Code that is protected from extension by other classes
- C. Faster code at runtime
- D. More flexible and reusable code
- E. More dynamic code at runtime
Answer: A,D
Explanation:
Explanation: References:
NEW QUESTION # 84
Given the code fragment:
What is the result if the integer aVar is 9?
- A. Compilation fails.
- B. Hello World!
- C. 10 Hello World!
- D. Hello Universe!
Answer: C
NEW QUESTION # 85
Given the code fragment:
What is the result?
- A. 0 2 4 6
- B. Compilation fails
- C. 2 4
- D. 0 2 4
Answer: D
NEW QUESTION # 86
Given the code fragments:
Which modification enables the code to compile?
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: B
NEW QUESTION # 87
Given the code fragment: What is the result?
- A. A B C D E
- B. A B D E
- C. Compilation fails.
- D. A B C
Answer: B
NEW QUESTION # 88
Given the code fragment:
And given the requirements: If the value of the qty variable is greater than or equal to 90, discount = 0.5 If the value of the qty variable is between 80 and 90, discount = 0.2
Which two code fragments can be independently placed at line n1 to meet the requirements?
- A. Option B
- B. Option E
- C. Option C
- D. Option D
- E. Option A
Answer: C,E
NEW QUESTION # 89
Given:
What is the result?
- A. DerivedB
DerivedA - B. DerivedB
DerivedB - C. Base
DerivedA - D. A ClassCastException is thrown at runtime.
- E. Base
DerivedB
Answer: B
NEW QUESTION # 90
Which code fragment is illegal?
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: D
Explanation:
The abstract keyword cannot be used to declare an int variable.
The abstract keyword is used to declare a class or method to be abstract[3]. An abstract method has no implementation; all classes containing abstract methods must themselves be abstract, although not all abstract classes have abstract methods.
NEW QUESTION # 91
Given:
What is the result?
- A. 10:20
- B. Compilation fails at line n1
- C. Compilation fails at line n2
- D. 0:20
Answer: C
Explanation:
Explanation
NEW QUESTION # 92
Given the code fragment:
Which two modifications should you make so that the code compiles successfully? (Choose two.)
- A. Option E
- B. Option B
- C. Option C
- D. Option A
- E. Option D
Answer: A,C
NEW QUESTION # 93
Given:
What is the result?
- A. 100 0 : 100 200:
- B. 100 200 : 100 0 :
- C. 100 0 : 100 0 :
- D. 100 200 : 100 200 :
Answer: C
NEW QUESTION # 94
Given:
What is the result?
- A. DerivedB
DerivedA - B. DerivedB
DerivedB - C. Base
DerivedA - D. A ClassCastExceptionis thrown at runtime.
- E. Base
DerivedB
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION # 95
Given the code fragment:
What is the result?
- A. 0
- B. An exception is thrown at runtime.
- C. 1
- D. 2
Answer: D
NEW QUESTION # 96
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