Oracle 1Z0-808 Exam Questions and Answers 2021
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Oracle 1Z0-808 Free Dumps Questions Online, Read and Test Now.
NEW QUESTION 1
Given the code fragment:
Which code fragment, inserted at line n1, pints The Top element: 30?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
- E. Option E
Answer: A
NEW QUESTION 2
Given the code fragment:
What is the result?
- A. Match 1
- B. Match 2
- C. No Match
- D. A NullPointerException is thrown at runtime.
Answer: B
NEW QUESTION 3
Given the code fragment:
What is the result?
- A. Compilation fails.
- B. 0 Found
- C. 1 Found
- D. 3 Found
Answer: D
NEW QUESTION 4
Given the code fragments:
And,
Which statement is true?
- A. After line 11, three objects are eligible for garbage collection.
- B. After line 11, two objects are eligible for garbage collection.
- C. After line 11, one object is eligible for garbage collection.
- D. After line 11, none of the objects are eligible for garbage collection.
Answer: C
NEW QUESTION 5
Given the following class:
Which three pieces of code, when inserted independently, set the value of amount to 100?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
- E. Option E
- F. Option F
Answer: BCE
NEW QUESTION 6
Given:
What is the result?
- A. C B A
- B. C
- C. A B C
- D. Compilation fails at line n1 and line n2
Answer: C
NEW QUESTION 7
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 use Electricity 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 A
- B. Option B
- C. Option C
- D. Option D
Answer: AC
NEW QUESTION 8
Given:
And given the commands: javac Test.java
java Test TRUE null What is the result?
- A. TRUE null
- B. true false
- C. false false
- D. true true
- E. AClassCastExceptionis thrown at runtime.
Answer: D
NEW QUESTION 9
Given:
class Test int a1;
public static void doProduct(int a) { a = a * a;
)
public static void doString(StringBuilder s) { s.append(“ “ + s);
}
public static void main(String[] args) { Test item = new Test();
item.a1 = 11;
StringBuilder sb = new StringBuilder(“Hello”); Integer i = 10;
doProduct(i); doString(sb); doProduct(item.a1);
System.out.println(i + “ “ + sb + “ “ + item.a1);
}
}
What is the result?
- A. 10 Hello Hello 11
- B. 10 Hello Hello 121
- C. 100 Hello 121
- D. 100 Hello Hello 121
- E. 10 Hello 11
Answer: B
NEW QUESTION 10
Given:
Which code fragment can replace the if block?
- A. stuff.equals (“TV”) ? res= “Walter” : stuff.equals (“Movie”) ? res = “White” : res = “No Result”;
- B. res = stuff.equals (“TV”) ? “Walter” else stuff.equals (“Movie”)? “White” : “No Result”;
- C. res = stuff.equals (“TV”) ? stuff.equals (“Movie”)? “Walter” : “White” : “No Result”;
- D. res = stuff.equals (“TV”)? “Walter” : stuff.equals (“Movie”)? “White” : “No Result”;
Answer: B
NEW QUESTION 11
Given the code fragment:
What is the result?
- A. Invalid Name
- B. Invalid Nameomas
- C. Invalid Name omas null null
- D. omasterseph
Answer: C
NEW QUESTION 12
Given:
What is the result?
- A. Hello Log 1:0
- B. Hello Log 2:1
- C. Welcome Log 2:1
- D. Welcome Log 1:0
Answer: C
NEW QUESTION 13
Given:
What is the result?
- A. AB
- B. AC
- C. CC
- D. A ClassCastException is thrown only at line n1.
- E. A ClassCastException is thrown only at line n2.
Answer: E
NEW QUESTION 14
Given the code fragment:
What is the result?
- A. A B C Work done
- B. A B C D Work done
- C. A Work done
- D. Compilation fails
Answer: C
NEW QUESTION 15
Given:
What is the result?
- A. Compilation fails.
- B. 11
- C. 8
- D. 9
- E. 10
Answer: D
NEW QUESTION 16
Given:
Given the code fragment:
Which two sets of actions, independently, enable the code fragment to print Fit?
- A. At line n1 insert:import clothing.Shirt;At line n2 insert:String color = getColor();
- B. At line n1 insert:import clothing.*;At line n2 insert:String color = Shirt.getColor();
- C. At line n1 insert:import static clothing.Shirt.getcolor;At line n2 insert:String color = getColor();
- D. At line n1 no changes required.At line n2 insert:String color = Shirt.getColor();
- E. At line n1 insert:import clothing;At line n2 insert:String color = Shirt.getColor();
Answer: A
NEW QUESTION 17
Given the code fragment:
What is the result?
- A. Reading CardChecking Card
- B. Compilation fails only at line n1.
- C. Compilation fails only at line n2.
- D. Compilation fails only at line n3.
- E. Compilation fails at both line n2 and line n3.
Answer: D
NEW QUESTION 18
Given: Acc.java:
Which statement is true?
- A. Both p and s are accessible by obj.
- B. Only s is accessible by obj.
- C. Both r and s are accessible by obj.
- D. p, r, and s are accessible by obj.
Answer: B
NEW QUESTION 19
Given the code fragment:
What is the result?
- A. 10 : 10
- B. 5 : 5
- C. 5 : 10
- D. Compilation fails
Answer: A
NEW QUESTION 20
Given the code fragment:
What is the result?
- A. 5 : 5
- B. 10 : 10
- C. 5 : 10
- D. Compilation fails.
Answer: B
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