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1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Who should take the Java SE 11 Developer Exam Number: 1Z0-819
This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
NEW QUESTION 13
Given:
What is the result?
- A. watermelonorangelemongrapeapricotapple
- B. appleapricotgrapelemonorangewatermelon
- C. appleorangegrapelemonapricotwatermelon
- D. nothing
Answer: A
Explanation:
NEW QUESTION 14
Given:
Which loop incurs a compile time error?
- A. the loop starting line 3
- B. the loop starting line 7
- C. the loop starting line 11
- D. the loop starting line 14
Answer: D
NEW QUESTION 15
Given:
What is the result?
- A. An exception is thrown at runtime
- B. Take extra care
Take extra care - C. The program prints nothing.
- D. Take extra care
Answer: A
NEW QUESTION 16
Examine these module declarations:
Which two statements are correct? (Choose two.)
- A. The ServiceProvider module should export the com.myimpl package.
- B. The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.
- C. The Consumer module should require the ServiceProvider module.
- D. The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.
- E. The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the com.example.api API.
Answer: B,C
NEW QUESTION 17
Given the formula to calculate a monthly mortgage payment:
and these declarations:
How can you code the formula?
- A. m = p * (r * Math.pow(1 + r, n) / (Math.pow(1 + r, n) - 1));
- B. m = p * ((r * Math.pow(1 + r, n) / (Math.pow(1 + r, n)) - 1));
- C. m = p * r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1;
- D. m = p * (r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1);
Answer: A
NEW QUESTION 18
Given:
Which two methods modify field values? (Choose two.)
- A. setCCount
- B. setACount
- C. setGCount
- D. setTCount
- E. setAllCounts
Answer: C,E
NEW QUESTION 19
Given:
What is the type of x?
- A. List<Character>
- B. char
- C. List<String>
- D. String
Answer: D
NEW QUESTION 20
Given:
You want to implement the jav
a. Io, serializable interface to the MypersisteneData class.
Which method should be overriden?
- A. The readExternal method
- B. The writeExternal method
- C. nothing
- D. The readExternal and writeExternal method
Answer: D
NEW QUESTION 21
Given:
What is the result?
- A. 1.99,2.99,0
- B. 1.99,2.99,0.0
- C. 1.99,2.99
- D. The compilation fails.
Answer: D
Explanation:
NEW QUESTION 22
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. An exception is thrown at runtime.
Answer: C
Explanation:
Explanation
Graphical user interface, text, application, chat or text message Description automatically generated
NEW QUESTION 23
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<Integer> f = n -> n * 2;
- D. Function f = n -> n * 2;
- E. Function<int, int> f = n -> n * 2;
Answer: B
Explanation:
NEW QUESTION 24
Which two are functional interfaces? (Choose two.)
- A. Option C
- B. Option A
- C. Option E
- D. Option B
- E. Option D
Answer: A,C
NEW QUESTION 25
Given:
var fruits = List.of("apple", "orange", "banana", "lemon");
You want to examine the first element that contains the character n. Which statement will accomplish this?
- A. Optional<String> result = fruits.stream().filter(f > f.contains ("n")).findFirst ();
- B. Optional<String> result = fruits.stream().anyMatch(f > f.contains("n"));
- C. String result = fruits.stream().filter(f > f.contains("n")).findAny();
- D. fruits.stream().filter(f > f.contains("n")).forEachOrdered(System.out::print);
Answer: D
Explanation:
NEW QUESTION 26
Given:
Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two.)
- A. cCount = setCCount(c);
- B. setCCount(c) = cCount;
- C. tCount = tCount;
- D. setGCount(g);
- E. aCount = a;
Answer: C,E
NEW QUESTION 27
Given:
What will secure this code from a potential Denial of Service condition?
- A. On Line 3, enclose processData(dataReader) with try with resources.
- B. On Line 1, use try with resources when opening each dataReader.
- C. After Line 3, add dataReader.close().
- D. Before Line 1, check the size of dataFiles to make sure it does not exceed a threshold.
- E. After Line 4, add indexReader.close().
Answer: A
NEW QUESTION 28
Which two statements are true about Java modules? (Choose two.)
- A. Modular jars loaded from -classpath are automatic modules.
- B. If a package is defined in both the named module and the unnamed module, then the package in the unnamed module is ignored.
- C. Any named module can directly access all classes in an automatic module.
- D. Modular jars loaded from --module-path are automatic modules.
- E. Classes found in -classpath are part of an unnamed module.
Answer: D,E
NEW QUESTION 29
Given:
When run and all three files exist, what is the state of each reader on Line 1?
- A. All three readers are still open.
- B. All three readers have been closed.
- C. Only reader1 has been closed.
- D. The compilation fails.
Answer: D
NEW QUESTION 30
Given the code fragment:
What is the result?
- A. The compilation fails at line
- B. The compilation fails at line 13.
- C. The compilation fails at line 16.
- D. 0
- E. 1
Answer: E
NEW QUESTION 31
......
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
- Handle text using String and StringBuilder classes
- Use local variable type inference, including as lambda parameters
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