Explore topic-wise MCQs in Technical MCQs.

This section includes 69 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

51.

JsonReader and JsonWriter read/write the data as token, referred as?

A. Token
B. JsonToken
C. GsonToken
D. Jtoken
Answer» C. GsonToken
Discussion
52.

Tree Model prepares an in-memory tree representation of the JSON document.

A. Yes
B. No
C. Can be yes or no
D. Can not say
Answer» B. No
Discussion
53.

Converts JSON to and from Java Maps, Lists, Strings, Numbers, Booleans, and NULL objects known as ?

A. Objects Data Binding
B. Data Binding
C. Primitives Data Binding
D. None of the above
Answer» D. None of the above
Discussion
54.

How many types of Data Binding API ?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
55.

Which is used to constructs a Gson object with default configuration?

A. Ggson()
B. JGSON()
C. Gson()
D. Json()
Answer» D. Json()
Discussion
56.

Which of the following prepares an in-memory tree representation of the JSON document?

A. Streaming API
B. Tree Model
C. Data Binding
D. All of the above
Answer» C. Data Binding
Discussion
57.

Which of the following are features of gson?

A. Gson API provides a high-level facade to simplify commonly used use-cases
B. Gson API provides default mapping for most of the objects to be serialized
C. Gson creates a clean and compact JSON result which is easy to read
D. All of the above
Answer» E.
Discussion
58.

Google Gson provides extensive support for generics?

A. Yes
B. No
C. Can be yes or no
D. Can not say
Answer» B. No
Discussion
59.

Google Gson is an?

A. Open source
B. Java-based library
C. Reliable and fast
D. All of the above
Answer» E.
Discussion
60.

Throwables class provides utility methods related to Throwable interface.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
E.
Answer» B. FALSE
Discussion
61.

Objects class provides helper functions applicable to all objects such as equals, hashCode, etc.

A. Yes
B. No
C. Can be yes or no
D. Can not say
Answer» B. No
Discussion
62.

Which of the following returns true if this range has a lower endpoint?

A. hashCode
B. hasLowerBound
C. hasUpperBound
D. hasBound
Answer» C. hasUpperBound
Discussion
63.

Range represents?

A. interval
B. sequence
C. random
D. Both A and B
Answer» E.
Discussion
64.

abstract int compare(T left, T right) is used to?

A. Searches sortedList for key
B. Returns an arbitrary ordering
C. Compares its two arguments for order.
D. Returns an ordering which first uses the ordering
Answer» D. Returns an ordering which first uses the ordering
Discussion
65.

Which method Ensures that index specifies a valid position in an array, list or a string of size?

A. static int checkPositionIndex(int index, int size, String desc)
B. static int checkPositionIndex(int index, int size)
C. static void checkPositionIndexes(int start, int end, int size)
D. static void checkState(boolean expression)
Answer» C. static void checkPositionIndexes(int start, int end, int size)
Discussion
66.

Which of the following returns an Optional instance with no contained reference?

A. abstract <T> Optional<T> absent()
B. boolean <T> Optional<T> absent()
C. static <T> Optional<T> absent()
D. abstract T get()
Answer» D. abstract T get()
Discussion
67.

Guava provides many utility classes which are regularly required in programming application development?

A. Yes
B. No
C. Can be yes or no
D. Can not say
Answer» B. No
Discussion
68.

Guava is?

A. open source
B. java-based library
C. reliable and fast
D. All of the above
Answer» E.
Discussion
69.

Guava developed by?

A. Facebook
B. Google
C. IBM
D. Microsoft
Answer» C. IBM
Discussion