Oracle 1z0-808 Practice Verified Answers - Pass Your Exams For Sure! [2021]
Valid Way To Pass Java and Middleware's 1z0-808 Exam
NEW QUESTION 35
Given:
What is the result?
null
- A. An ArrayIndexOutOfBoundsException is thrown at runtime.
- B. A NullPointerExceptionis thrown at runtime.
- C. Donald
- D. Richard
Donald
Richard - E. Compilation fails.
Answer: B
NEW QUESTION 36
Which is true about the switch statement?
- A. It must contain the default section.
- B. Its case label literals can be changed at runtime.
- C. The break statement, at the end of each case block, is optional.
- D. Its expression can evaluate to a collection of values.
Answer: C
NEW QUESTION 37
Given:
And given the code fragment:
What is the result?
- A. Read Book
- B. Compilation fails at line n3.
- C. Compilation fails at line n1.
- D. Compilation fails at line n2.
- E. Read E-Book
Answer: A
NEW QUESTION 38
Given the code fragment:
Which three code fragments can be independently inserted at line n1 to enable the code to print One? (Choose three.) byte x = 1;
- A. double x = 1;
- B. long x = 1;
- C.
- D. short x = 1;
- E. String x = "1";
- F. Integer x = new Integer("1");
Answer: C,D,E
Explanation:
Explanation
NEW QUESTION 39
Given:
Which statement is true?
- A. Both p and s are accessible by obj.
- B. Both r and s are accessible by obj.
- C. Only s is accessible by obj.
- D. p, r, and s are accessible by obj.
Answer: B
NEW QUESTION 40
Given:
What is the result?
- A. 97 9899 100 null null null
- B. 97 9899 100 101 102 103
- C. An ArraylndexOutOfBoundsException is thrown at runtime.
- D. Compilation fails.
- E. A NullPointerException is thrown at runtime.
Answer: A
NEW QUESTION 41
Given the code fragment:
Which code snippet at line 9 prints true?
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: A
NEW QUESTION 42
Given the code fragment:
What is the result?
- A. Compilation fails only at line n2.
- B. Compilation fails only at line n1.
- C. Compilation fails at both line n1 and line n2.
- D. Jesse 25Walter 52
Answer: C
NEW QUESTION 43
Given:
What is the result?
- A. 400 200
- B. 400 400
- C. Compilation fails.
- D. 200 200
Answer: A
NEW QUESTION 44
Given the code fragment:
Test.java:
Which is the result?
- A.
- B. Both the Employeeclass and the Testclass fail to compile.
- C. Compilation fails in the Employeeclass.
- D. Compilation fails in the Testclass.
- E.
Answer: D
NEW QUESTION 45
Given the code fragment:
Which code fragment, when inserted at line n1, enables the App class to print Equal?
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: A
NEW QUESTION 46
Given: What is the result?
- A. 11, 21, 31, 12, 22, 32
- B. 11, 21, 31, 11, 21, 31
- C. 12, 22, 32, 12, 22, 32
- D. 10, 20, 30, 10, 20, 30
Answer: D
NEW QUESTION 47
Given:
And given the code fragment:
and this output:
Canine 60 Long
Feline 80 Short
Which two modifications enable the code to print this output? (Choose two.)
- A. Option E
- B. Option C
- C. Option A
- D. Option B
- E. Option D
Answer: A,C
NEW QUESTION 48
Given the code fragment:
What is the result?
(green, red, yellow, cyan)
- A. (green, blue, yellow, cyan)
- B. An IndexOutOfBoundsExceptionis thrown at runtime.
- C. (green, red, cyan, yellow)
- D.
Answer: D
NEW QUESTION 49
Given the code fragment:
Which three lines fail to compile?
- A. Line 12
- B. Line 11
- C. Line 7
- D. Line 10
- E. Line 9
- F. Line 8
Answer: A,C,D
NEW QUESTION 50
Given:
Class A { }
Class B { }
Interface X { }
Interface Y { }
Which two definitions of class C are valid?
- A. Class C implements X, Y extends B { }
- B. Class C implements Y extends B { }
- C. Class C extends B implements X, Y { }
- D. Class C extends A implements X { }
- E. Class C extends A, B { }
Answer: C,D
Explanation:
extends is for extending a class.
implements is for implementing an interface. Java allows for a class to implement many interfaces.
NEW QUESTION 51
Given:
What is the result?
- A. 400 200
- B. 400 400
- C. Compilation fails.
- D. 200 200
Answer: A
NEW QUESTION 52
Given the code fragment:
int[] array = {I, 2, 3, 4, 5};
And given the requirements:
-Process all the elements of the array in the order of entry. -Process all the elements of the array in the reverse order of entry. -Process alternating elements of the array in the order of entry.
Which two statements are true?
- A. Requirement 3 CANNOT be implemented by using either the enhanced for loop or the standard for loop.
- B. Requirements 2 and 3 CANNOT be implemented by using the standard for loop.
- C. Requirements 1, 2, and 3 can be implemented by using the enhanced for loop.
- D. Requirements 1, 2, and 3 can be implemented by using the standard for loop.
- E. Requirement 1 can be implemented by using the enhanced for loop.
Answer: D
NEW QUESTION 53
Given the code fragment:
Which two code fragments can be independently inserted at line n1 to enable the code to print the elements of the array in reverse order? (Choose two.)
- A.
- B.
- C.
- D.
- E.
Answer: B,D
NEW QUESTION 54
Given:
What is the result?
- A. Compilation fails
- B. An exception is thrown at runtime
- C. int main 1
- D. String main 1
- E. Object main 1
Answer: D
NEW QUESTION 55
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 56
Given:
- A. e, e o, o
- B. a, e i, o
- C. a, e o, o
- D. e, e i, o
Answer: C
NEW QUESTION 57
Given the following code:
What are the values of each element in intArr after this code has executed?
- A. 15, 4, 45, 60, 90
- B. 15, 30, 90, 60, 90
- C. 15, 60, 45, 90, 75
- D. 15, 90, 45, 90, 75
- E. 15, 30, 75, 60, 90
Answer: E
NEW QUESTION 58
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