Useful 1Z0-819 Test Questions Pdf & Leading Offer in Qualification Exams & Realistic Oracle Java SE 11 Developer

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Oracle Java SE 11 Developer Sample Questions (Q103-Q108):

NEW QUESTION # 103
Given:

This code results in a compilation error.
Which code should be inserted on line 1 for a successful compilation?

A. Consumer consumer = var arg > {System.out.print(arg);};
B. Consumer consumer = System.out::print;
C. Consumer consumer = msg -> { return System.out.print(msg); };
D. Consumer consumer = (String args) > System.out.print(args);

Answer: B

Explanation:

NEW QUESTION # 104
Given the code fragment from Box. Java:

Given the code fragment from item.java:

Given the information:
The classes Box and items are encapsulated with getters and setters methods. The classes Box and Item contains required constructors source code.
and the code fragment:

Which action serializes the b1 object?

A. Remove out.flush () method invocation.
B. Handle NoteSerilaizeableException in the try clause or throw in the main() method definition.
C. Implement the Serializable interface in the item class.
D. Override readObject () and writeObject () method in the Book class.
E. Add SerialVersionID to the Box and item class

Answer: C

NEW QUESTION # 105
Given:

Which annotation should be used to remove warnings from compilation?

A. @SuppressWarnings("all") on the main and print methods
B. @SuppressWarnings("unchecked") on main and @SafeVarargs on the print method
C. @SuppressWarnings on the main and print methods
D. @SuppressWarnings("rawtypes") on main and @SafeVarargs on the print method

Answer: B

Explanation:

NEW QUESTION # 106
Given:

What code inserted into class C would allow it to compile?

A. public void x() { }
public void z() { }
B. void x() { super.y(); }
public void z() { }
C. void x() { }
public void y() { }
public void z() { }
D. void x() { }
public void z() { }
E. public void x() { }
protected void y() { super.y(); }
public void z() { }

Answer: A

NEW QUESTION # 107
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 C
B. Option F
C. Option E
D. Option A
E. Option D
F. Option B

Answer: D

NEW QUESTION # 108
......

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Useful 1Z0-819 Test Questions Pdf & Leading Offer in Qualification Exams & Realistic Oracle Java SE 11 Developer

1Z0-819 Test Dumps | Passing 1Z0-819 Score Feedback

Oracle Java SE 11 Developer Sample Questions (Q103-Q108):

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