Use Real 1z1-819 - 100% Cover Real Exam Questions [Oct-2021]
Dumps Brief Outline Of The 1z1-819 Exam - GetValidTest
NEW QUESTION 48
Given:
After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?
- A. after line 10
- B. after line 8
- C. after line 5
- D. after line 6
Answer: D
Explanation:
NEW QUESTION 49
And the code fragment:
Which situation will occur on code fragment execution?
- A. Starvation
- B. Livelock
- C. Race Condition
- D. Deadlock
Answer: A
NEW QUESTION 50
Given the code fragment:
What is the result?
- A. The compilation fails.
- B. abc def
- C. ab cd ef
- D. ad be cf
- E. An ArrayIndexOutOfBoundsException is thrown at runtime.
Answer: D
NEW QUESTION 51
Given:
What is the result?
- A. Take extra care
- B. Take extra care
Take extra care - C. The program prints nothing.
- D. An exception is thrown at runtime
Answer: D
NEW QUESTION 52
Given:
What is the result?
- A. The compilation fails due to an error in line 3.
- B. The compilation fails due to an error in line 2.
- C. The compilation fails due to an error in line 5.
- D. The compilation fails due to an error in line 1.
- E. 0
- F. The compilation fails due to an error in line 4.
- G. 1
Answer: G
NEW QUESTION 53
Given:
Which three classes successfully override showFirst ()?
A)
B)
C)
D)
E)
F)
- A. Option F
- B. Option D
- C. Option C
- D. Option A
- E. Option B
- F. Option E
Answer: C
NEW QUESTION 54
Given:
Which two statements are valid to be written in this interface? (Choose two.)
- A. public void methodF(){System.out.println("F");}
- B. final void methodE();
- C. private abstract void methodC();
- D. public String methodD();
- E. final void methodG(){System.out.println("G");}
- F. public abstract void methodB();
- G. public int x;
Answer: D,F
NEW QUESTION 55
Which three initialization statements are correct? (Choose three.)
- A. boolean true = (4 == 4);
- B. byte b = 10;char c = b;
- C. int[][] e = {{1,1},{2,2}};
- D. int x = 12_34;
- E. float x = 1.99;
- F. short sh = (short)'A';
- G. String contact# = "(+2) (999) (232)";
Answer: C,D,F
NEW QUESTION 56
var numbers = List.of(0,1,2,3,4,5,6,7,8,9);
You want to calculate the average of numbers. Which two codes will accomplish this? (Choose two.)
- A. double avg = numbers.parallelStream().mapToInt (m > m).average().getAsDouble ();
- B. double avg = numbers.stream().parallel().averagingDouble(a > a);
- C. double avg = numbers.stream().average().getAsDouble();
- D. double avg = numbers.stream().collect(Collectors.averagingDouble(n > n));
- E. double avg = numbers.stream().mapToInt (i > i).average().parallel();
Answer: A,C
Explanation:
NEW QUESTION 57
Given:
What is the type of the local variable x?
- A. String[ ]
- B. char
- C. String
- D. Character
Answer: C
NEW QUESTION 58
Given:
What is the result?
- A. 6910 3
- B. 10126 3
- C. 6104 3
- D. 0
Answer: C
Explanation:
NEW QUESTION 59
Given the code fragment:
What change on line 1 will make this code compile?
- A. Add catch (L |N e).
- B. Add catch (N | L | M e).
- C. Add catch (L |M N e).
- D. Add catch (L e).
- E. Add catch (M |L e).
Answer: D
NEW QUESTION 60
Which describes an aspect of Java that contributes to high performance?
- A. Java prioritizes garbage collection.
- B. Java automatically parallelizes code execution.
- C. Java has a library of built-in functions that can be used to enable pipeline burst execution.
- D. Java monitors and optimizes code that is frequently executed.
Answer: D
NEW QUESTION 61
Given:
What is the result?
- A. 6=(x+y)=42
- B. 6=(x+y)=6
- C. An exception is thrown at runtime.
- D. 42=(x+y)=6
- E. 42=(x+y)=42
Answer: A
Explanation:
NEW QUESTION 62
Given:
Which statement on line 1 enables this code to compile?
- A. Function<Integer> f = n > n * 2;
- B. Function f = n > n * 2;
- C. Function<Integer, Integer> f = n > n * 2;
- D. Function<int> f = n > n * 2;
- E. Function<int, int> f = n > n * 2;
Answer: C
Explanation:
NEW QUESTION 63
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