1Z0-819 Dumps Vce, 1Z0-819 Valid Test Guide

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By passing the Oracle 1Z0-819 Exam, candidates can demonstrate their proficiency in Java development using Java SE 11 and increase their career opportunities as a professional Java developer. Additionally, Oracle certifications are recognized globally and can help candidates gain credibility and recognition in the industry.

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Oracle 1Z0-819 Certification Exam is designed to test the skills and knowledge of Java developers who work with the Java SE 11 platform. Java SE 11 Developer certification is for developers who want to demonstrate their proficiency in Java programming language and build applications using the latest Java technologies. It is recommended for developers who have experience in Java development and want to advance their career.

Oracle 1Z0-819 Exam Syllabus Topics:

Topic	Details
Topic 1	Define and use fields and methods, including instance, static and overloaded methods Working with Arrays and Collections
Topic 2	Handle text using String and StringBuilder classes Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Topic 3	Implement serialization and deserialization techniques on Java objects Declare and instantiate Java objects including nested class objects
Topic 4	Create and use subclasses and superclasses, including abstract classes Use local variable type inference, including as lambda parameters
Topic 5	Deploy and execute modular applications, including automatic modules Implement functional interfaces using lambda expressions
Topic 6	Create and use interfaces, identify functional interfaces Initialize objects and their members using instance and static initialiser statements and constructors
Topic 7	Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting Sort collections and arrays using Comparator and Comparable interfaces
Topic 8	Secure resource access including filesystems, manage policies and execute privileged code Develop thread-safe code, using different locking mechanisms

Oracle Java SE 11 Developer Sample Questions (Q94-Q99):

NEW QUESTION # 94
Assuming the Widget class has a getPrice method, this code does not compile:

Which two statements, independently, would allow this code to compile? (Choose two.)

A. Replace line 5 with widgetStream.filter((Widget a) > a.getPrice() > 20.00).
B. Replace line 1 with List<Widget> widgetStream = widgets.stream();.
C. Replace line 5 with widgetStream.filter(a > ((Widget)a).getPrice() > 20.00).
D. Replace line 4 with Stream<Widget> widgetStream = widgets.stream();.

Answer: C,D

NEW QUESTION # 95

How many Thing objects are eligible for garbage collection in line 1?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer: B

NEW QUESTION # 96
Given the code fragment:

Which code fragment replaces the for statement?

A. IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);
B. intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);
C. IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);
D. IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);

Answer: A

NEW QUESTION # 97
Given:
LocalDate d1 = LocalDate.of(1997,2,7);
DateTimeFormatter dtf =
DateTimeFormatter.ofPattern( /*insert code here*/ );
System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?

A. "eeee dd'th of' MMM yyyy"
B. "eeee dd+"th of"+ MMM yyyy"
C. "eeee d'th of' MMMM yyyy"
D. "eeee d+"th of"+ MMMM yyyy"

Answer: A

NEW QUESTION # 98
Given:

What is the type of x?

A. char
B. List<Character>
C. List<String>
D. String

Answer: D

NEW QUESTION # 99
......

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