Java Autoboxing MCQs Questions

Home

Competitive Exams MCQs

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer Fundatmental MCQs

Computer Fundamentals Microsoft Word Microsoft Excel MS Power Point Tally Operating System Python AI(Artificial Intelligence)

Engineering Subjects MCQs

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering MCQs

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering Metallurgical Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry

Computer Fundamentals MCQs

Computer Fundamentals Microsoft Word Microsoft Excel MS Power Point Tally Operating System Networking Database SQL MySQL

Programming MCQs

C Programming C++ Programming Java Python PHP JavaScript

Advanced Programming MCQs

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Agriculture Sociology Psychology Home Science Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

Exam Categories

SSC Exams Railway Exams All Exams

SSC Exams

SSC CGL SSC CHSL SSC MTS SSC CPO SSC GD SSC JHT SSC Selection Post SSC Stenographer SSC JE

Railway Exams

RRB ALP RRB Technician RRB Section Controller RRB JE RRB Paramedical RRB Group D

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB NTPC (Graduate) RRB Group D RRB ALP RRB Technician RRB Section Controller

Which of the following is not introduced with Java 8?

A) Stream API B) Serialization C) Spliterator D) Lambda Expression

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the purpose of BooleanSupplier function interface?

A) represents supplier of Boolean-valued results B) returns Boolean-valued result C) There is no such function interface D) returns null if Boolean is passed as argument

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the return type of lambda expression?

A) String B) Object C) void D) Function

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which is the new method introduced in java 8 to iterate over a collection?

A) for (String i : StringList) B) foreach (String i : StringList) C) StringList.forEach() D) List.for()

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What are the two types of Streams offered by java 8?

A) sequential and parallel B) sequential and random C) parallel and random D) random and synchronized

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which feature of java 8 enables us to create a work stealing thread pool using all available processors at its target?

A) workPool B) newWorkStealingPool C) threadPool D) workThreadPool

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What does Files.lines(Path path) do?

A) It reads all the files at the path specified as a String B) It reads all the lines from a file as a Stream C) It reads the filenames at the path specified D) It counts the number of lines for files at the path specified

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is Optional object used for?

A) Optional is used for optional runtime argument B) Optional is used for optional spring profile C) Optional is used to represent null with absent value D) Optional means it's not mandatory for method to return object

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the substitute of Rhino javascript engine in Java 8?

A) Nashorn B) V8 C) Inscript D) Narcissus

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What does SAM stand for in the context of Functional Interface?

A) Single Ambivalue Method B) Single Abstract Method C) Simple Active Markup D) Simple Abstract Markup

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

1 2 3 4 5 6 7 8 9

Java Autoboxing MCQs Questions | Java Program MCQs