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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Types of questions: Performance Based Questions
- No. of Questions: 60 Questions
- Passing Score: 60% or higher
- Examination Fees: $250 USD
- Length of Exam: 85 min
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 dumps:
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Initialize objects and their members using instance and static initialiser statements and constructors
- Deploy and execute modular applications, including automatic modules
- Read and write console and file data using I/O Streams
- Implement serialization and deserialization techniques on Java objects
- Declare, use, and expose modules, including the use of services
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Handle file system objects using java.nio.file API
- Create and use subclasses and superclasses, including abstract classes
- Create, apply, and process annotations
- Define and use fields and methods, including instance, static and overloaded methods
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Create and use enumerations
What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy
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To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
NEW QUESTION 87
Given the code fragment:
What is the result?
- A. gj hk il
- B. An ArrayIndexOutofBoundsException is thrown at runtime.
- C. gh ij kl
- D. ghi jkl
- E. The compilation fails.
Answer: B
NEW QUESTION 88
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: B
NEW QUESTION 89
Given this enum declaration:
Examine this code:
System.out.println(Letter.values()[1]);
What code should be written at line 5 for this code to print 200?
- A. public String toString() { return String.valueOf(ALPHA.v); }
- B. public String toString() { return String.valueOf(v); }
- C. String toString() { return "200"; }
- D. public String toString() { return String.valueOf(Letter.values()[1]); }
Answer: B
Explanation:
NEW QUESTION 90
Given:
and
checkQuality(QUALITY.A);
and
Which code fragment can be inserted into the switch statement to print Best?
- A. QUALITY.A
- B. A
- C. A.toString()
- D. QUALITY.A.ValueOf()
Answer: B
NEW QUESTION 91
Given:
Which expression when added at line 1 will produce the output of 1.17?
- A. float z = Math.round((float)x/y*100)/(float)100;
- B. float z = Math.round((float)x/y,2);
- C. float z = (float)(Math.round((float)x/y*100)/100);
- D. float z = Math.round((int)(x/y),2);
Answer: A
Explanation:
NEW QUESTION 92
Which code fragment represents a valid Comparatorimplementation?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION 93
Given:
What is true?
- A. A NoSuchElementExceptionis thrown at run time.
- B. This should print the same result each time the program runs.
- C. This may not print the same result each time the program runs.
- D. The compilation fails.
Answer: C
Explanation:
NEW QUESTION 94
Given the Customer table structure:
* ID Number Primary Key
* NAME Text Nullable
Given code fragment:
Which statement inserted on line 14 sets NAME column to a NULL value?
- A. Stmt.setNull(2 string, class);
- B. Stmt.setNull(2, java,sql. Types, VARCHAR);
- C. Stmt.setNull(2, java.lang, string);
- D. Stmt.setNull(2, null);
Answer: B
NEW QUESTION 95
Given:
Which annotation should be used to remove warnings from compilation?
- A. @SuppressWarnings("unchecked") on main and @SafeVarargs on the print method
- B. @SuppressWarnings on the main and print methods
- C. @SuppressWarnings("rawtypes") on main and @SafeVarargs on the print method
- D. @SuppressWarnings("all") on the main and print methods
Answer: A
Explanation:
NEW QUESTION 96
Given
:
What is the correct definition of the JsonField annotation that makes the Point class compile?
A)
B)
C)
- A. Option C
- B. Option A
- C. Option B
Answer: B
NEW QUESTION 97
Which three initialization statements are correct? (Choose three.)
- A. int[][] e = {{1,1},{2,2}};
- B. String contact# = "(+2) (999) (232)";
- C. short sh = (short)'A';
- D. float x = 1.99;
- E. boolean true = (4 == 4);
- F. int x = 12_34;
- G. byte b = 10;char c = b;
Answer: A,C,F
NEW QUESTION 98
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: B
NEW QUESTION 99
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. String result = fruits.stream().filter(f > f.contains("n")).findAny();
- B. Optional<String> result = fruits.stream().filter(f > f.contains ("n")).findFirst ();
- C. fruits.stream().filter(f > f.contains("n")).forEachOrdered(System.out::print);
- D. Optional<String> result = fruits.stream().anyMatch(f > f.contains("n"));
Answer: C
Explanation:
NEW QUESTION 100
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 101
Given:
executed using this command:
java Myclass My Car is red
What is the output of this class?
- A. My--is--java
- B. Car--red--My
- C. java--Myclass--My
- D. Myclass--Car--red
- E. My--Car--is
Answer: B
NEW QUESTION 102
Given:
What is the result?
- A. 3 3 3 3
- B. 5 5 3 3
- C. 3 5 3 5
- D. 3 5 3 3
Answer: D
Explanation:
NEW QUESTION 103
......
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