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Pass Your Exams with Comprehensive Oracle 1Z0-819 Exam Questions & Answers, Java SE 11 Developer | SPOTO

Welcome to our premium resource hub offering Oracle 1Z0-819 Practice Tests & Real Exam Simulations, tailored for Java SE 11 Developers. Our platform provides a comprehensive suite of study materials, including practice tests, exam practice resources, online exam questions, sample questions, exam dumps, mock exams, exam questions and answers, and other exam materials. Whether you're preparing to advance your career or seeking to validate your expertise in Java development, our premium practice tests and real exam simulations are meticulously designed to support your journey towards certification success. With the latest practice tests available, you'll be well-prepared to excel in passing the certification exam and achieving your professional goals.

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Question #1
If file "App.config" is not found, what is the result?
A. Configuration is OK
B. The compilation fails
C. Exception in thread "main" java
D. nothing
View answer
Correct Answer: BD

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Question #2
Which three actions implement Java SE security guidelines? (Choose three.)
A. Change line 7 to return names
B. Change line 4 to this
C. Change the getNames() method name to get$Names()
D. Change line 6 to public synchronized String[] getNames() {
E. Change line 2 to private final String[] names;
F. Change line 3 to private Secret(String[] names) {
View answer
Correct Answer: B
Question #3
Which two lines can replace line 1 so that the Y class compiles? (Choose two.)
A. map
B. set(map
C. super
D. super
E. set(map)
View answer
Correct Answer: D
Question #4
Which two are successful examples of autoboxing? (Choose two.)
A. String a = “A”;
B. Integer e = 5;
C. Float g = Float
D. Double d = 4;
E. Long c = 23L;
F. Float f = 6
View answer
Correct Answer: B
Question #5
Which three are true? (Choose three.)
A. b1
B. f1
C. f1
D. b1
E. f2
F. b1
View answer
Correct Answer: CF
Question #6
Which two statements correctly describe capabilities of interfaces and abstract classes? (Choose two.)
A. Interfaces cannot have protected methods but abstract classes can
B. Both interfaces and abstract classes can have final methods
C. Interfaces cannot have instance fields but abstract classes can
D. Interfaces cannot have static methods but abstract classes can
E. Interfaces cannot have methods with bodies but abstract classes can
View answer
Correct Answer: D
Question #7
Which two safely validate inputs? (Choose two.)
A. Delegate numeric range checking of values to the database
B. Accept only valid characters and input values
C. Use trusted domain-specific libraries to validate inputs
D. Assume inputs have already been validated
E. Modify the input values, as needed, to pass validation
View answer
Correct Answer: D
Question #8
Which statement about a functional interface is true?
A. It must be defined with the public access modifier
B. It must be annotated with @FunctionalInterface
C. It is declared with a single abstract method
D. It is declared with a single default method
E. It cannot have any private methods and static methods
View answer
Correct Answer: C
Question #9
Which three guidelines are used to protect confidential information? (Choose three.)
A. Limit access to objects holding confidential information
B. Clearly identify and label confidential information
C. Manage confidential and other information uniformly
D. Transparently handle information to improve diagnostics
E. Treat user input as normal information
F. Validate input before storing confidential information
View answer
Correct Answer: BD

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