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Oracle 1z1-819 certification exam is intended for experienced Java developers who are looking to enhance their skills and advance their careers. Java SE 11 Developer certification exam is also ideal for those who are seeking a job in the Java development field. Java SE 11 Developer certification exam provides a solid foundation for Java developers to develop high-quality, reliable, and scalable applications. It also validates the skills and knowledge of Java developers, making them more marketable and valuable in the job market. Obtaining this certification can help Java developers to demonstrate their expertise and commitment to the field of Java development.

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Oracle Java SE 11 Developer Sample Questions (Q56-Q61):

NEW QUESTION # 56
Given:

When is the readObject method called?

A. before this object Is serialized
B. after this object is serialized
C. after this object is deserialized
D. The method is never called.
E. before this object is deserialized

Answer: C

NEW QUESTION # 57
Given:

A) An exception is thrown at run time.
B)

C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)

F)
The compilation fails due to an error on line 3.

A. Option D
B. Option B
C. Option F
D. Option C
E. Option A
F. Option E

Answer: E

NEW QUESTION # 58
Given:

executed with this command:
java Main one two three
What is the result?

A. A java.lang.NullPointerException is thrown.
B. 0). one
C. It creates an infinite loop printing:0). one1). two1). two...
D. The compilation fails.
E. 0). one1). two2). three

Answer: C

NEW QUESTION # 59
Given:

and

Which two method definitions at line n1 in the Bar class compile? (Choose two.)

A. public ArrayList<Integer> foo(Set<String> m) {...}
B. public List<Number> foo(Set<String> m) {...}
C. public List<Integer> foo(Set<CharSequence> m) {...}
D. public ArrayList<Number> foo(Set<CharSequence> m) {...}
E. public List<Object> foo(Set<CharSequence> m) {...}
F. public List<Integer> foo(TreeSet<String> m) {...}

Answer: D,F

NEW QUESTION # 60
Given:

Which two interfaces can be used in lambda expressions? (Choose two.)

A. MyInterface2
B. MyInterface4
C. MyInterface1
D. MyInterface3
E. MyInterface5

Answer: A,E

NEW QUESTION # 61
......

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