1Z0-819 Oracle
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Get Perfect Results with Premium 1Z0-819 Dumps Updated 225 Questions

Free 1Z0-819 Exam Study Guide for the NEW Dumps Test Engine

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
  • Deploy and execute modular applications, including automatic modules
  • Implement functional interfaces using lambda expressions
Topic 3
  • Develop code that mitigates security threats such as denial of service
  • Use Java Streams to filter, transform and process data
Topic 4
  • Create and use interfaces, identify functional interfaces
  • Initialize objects and their members using instance and static initialiser statements and constructors
Topic 5
  • Create and use subclasses and superclasses, including abstract classes
  • Use local variable type inference, including as lambda parameters

 

Q134. Given:

What is the output?

 
 
 
 

Q135. Given:
List<String> longlist = List.of(“Hello”,”World”,”Beat”);
List<String> shortlist = new ArrayList<>();
Which code fragment correctly forms a short list of words containing the letter “e”?

 
 
 
 

Q136. Given:

Which is true about line 1?

 
 
 
 

Q137. Given:

Which two constructors will compile and set the class field strings? (Choose two.)

 
 
 
 
 

Q138. Given:

What is the result?

 
 
 
 

Q139. Given:

Which two constructors will compile and set the class field strings? (Choose two.)

 
 
 
 
 

Q140. Given:

executed using this command:
java Myclass My Car is red
What is the output of this class?

 
 
 
 
 

Q141. Given the code fragment:

What is the result?

 
 
 
 

Q142. Given:

What is the result?

 
 
 
 
 
 
 

Q143. Given:

Which code, when inserted at one or more marked positions, would allow classes B and C to compile?

 
 
 
 

Q144. Given:

What is known about the Sportscar class?

 
 
 
 

Q145. Given:

Which would cause s to be AQCD?

 
 
 
 

Q146. Given:

What is the result?

 
 
 
 

Q147. Given:

Which two allow a.Main to allocate a new Person? (Choose two.)

 
 
 
 
 

Q148. Given:

Which statement is true?

 
 
 
 

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