Latest Oracle 1z1-819 First Attempt, Exam real Dumps Updated [Nov-2024]
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NEW QUESTION # 47
Given:
What is the output?
- A. 0
- B. 1
- C. Exception
- D. 2
Answer: A
Explanation:
NEW QUESTION # 48
Given:
Which two lines cause compilation errors? (Choose two.)
- A. line 12
- B. line 8
- C. line 6
- D. line 7
- E. line 9
Answer: C,D
NEW QUESTION # 49
Given:
What is the expected result of javac?
- A. javac fails to compile the class and prints the error message, C:\workspace4\Mycar.java:1:error: expected import java.lang
- B. javac compiles Mycar.java without errors or warnings.
- C. javac fails to compile the class and prints the error message, Error: Could not find or load main class Mycar.class
- D. javac fails to compile the class and prints the error message, C:\workspace4\Mycar.java:1:error: package java does not exist
Answer: B
NEW QUESTION # 50
Given:
You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?
- A. Stream lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));
- B. Stream<String> lines = Files.lines(INPUT_FILE_NAME);
- C. var lines = Files.lines(Paths.get(INPUT_FILE_NAME));
- D. var lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));
Answer: D
NEW QUESTION # 51
Given:
Which would cause s to be AQCD?
- A. s.replace(s.indexOf("A"), s.indexOf("C"), "Q");
- B. s.replace(s.indexOf("B"), s.indexOf("B"), "Q");
- C. s.replace(s.indexOf("A"), s.indexOf("B"), "Q");
- D. s.replace(s.indexOf("B"), s.indexOf("C"), "Q");
Answer: D
NEW QUESTION # 52
Given:
What is the result?
- A. abdf
- B. abcd
- C. adf
- D. The compilation fails.
- E. abd
Answer: B
NEW QUESTION # 53
Which code fragment compiles?
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
Explanation:
NEW QUESTION # 54
Given the code fragment:
What is the result?
- A. ghi jkl
- B. gj hk il
- C. The compilation fails.
- D. gh ij kl
- E. An ArrayIndexOutofBoundsException is thrown at runtime.
Answer: E
NEW QUESTION # 55
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. An exception is thrown at runtime.
Answer: C
Explanation:
NEW QUESTION # 56
Given:
What is the result?
- A. 42=(x+y)=6
- B. An exception is thrown at runtime.
- C. 6=(x+y)=6
- D. 42=(x+y)=42
- E. 6=(x+y)=42
Answer: E
Explanation:
NEW QUESTION # 57
Given:
Which statement on line 1 enables this code to compile?
- A. Function<int> f = n > n * 2;
- B. Function<Integer, Integer> f = n > n * 2;
- C. Function f = n > n * 2;
- D. Function<int, int> f = n > n * 2;
- E. Function<Integer> f = n > n * 2;
Answer: B
Explanation:
NEW QUESTION # 58
Given:
What is the output?
- A. 1 2 [1, 2, 3, 4] 3 4
- B. 1 2 [1, 2, 3, four] 3 4
- C. 1 2 [1, 2, 3, four] 3 four
- D. 1 2 [1, 2, 3, 4] 3 four
Answer: A
NEW QUESTION # 59
Given:
What is the output?
- A. I am an array
- B. I am an object array
- C. I am an object
- D. The compilation fails due to an error in line 1.
Answer: C
NEW QUESTION # 60
Given:
What is the result?
- A. Good Night, Harry
- B. Good Morning, Potter
- C. Good Morning, Harry
- D. Good Night, Potter
Answer: D
Explanation:
NEW QUESTION # 61
A company has an existing Java app that includes two Java 8 jar files, sales-3.10. jar and clients-10.2.jar.
The jar file ,sales -8, 10, jar reference packages in clients -10.2 jar, but clients-10.2 jar does not reference packages in sales -8.10, jar.
They have decided to modularize clients-10.2.jar.
Which module-info. Java file would work for the new library version clients-10.3 jar?
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option C
- D. Option A
Answer: C
NEW QUESTION # 62
Which describes a characteristic of setting up the Java development environment?
- A. Setting up the Java development environment occurs when you install an IDE before the JDK.
- B. You set up the Java development environment for a specific operating system when you install the JDK.
- C. The Java development environment is set up for all operating systems by default.
- D. Setting up the Java development environment requires that you also install the JRE.
Answer: A
NEW QUESTION # 63
Examine this excerpt from the declaration of the java.se module:
What does the transitive modifier mean?
- A. Any module that attempts to require the java.se module actually requires the java.sql module instead.
- B. Any module that requires the java.sql module does not need to require the java.se module.
- C. Only a module that requires the java.se module is permitted to require the java.sql module.
- D. Any module that requires the java.se module does not need to require the java.sql module.
Answer: C
NEW QUESTION # 64
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