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JAVA Interview Questions and Answers
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Questions
JAVA
0
votes
Which of the following is true about the Optional class in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
optional
class
0
votes
Which of the following interfaces represents a supplier of objects in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
objects
java
0
votes
Which of the following interfaces represents a sequence of primitive double values in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
primitive
double
values
0
votes
Which of the following is true about method references in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
method
references
0
votes
Which of the following is true about the StringJoiner class in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
stringjoiner
class
0
votes
Which of the following is true about the Files.walk() method in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
files
walk
method
0
votes
Which of the following is true about the Stream.concat() method in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
stream
concat
method
0
votes
Which of the following is true about parallel streams in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
parallel
streams
0
votes
What is the purpose of the Stream.Builder interface in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
stream
builder
interface
0
votes
Which of the following interfaces is not a subtype of the Function interface in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
function
interface
0
votes
Which of the following is not a functional interface in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
functional
interface
0
votes
Which of the following is true about the Optional class in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
optional
class
0
votes
Which of the following is true about the collect() method in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
collect
method
0
votes
Which of the following is true about the reduce() method in Java 8?
asked
Apr 30
in
JAVA
by
john ganales
reduce
0
votes
What is the difference between peek() and forEach() in a stream pipeline?
asked
Apr 30
in
JAVA
by
john ganales
peek
foreach
0
votes
Which of the following is a valid method reference in Java 8?
asked
Apr 28
in
JAVA
by
Robin
valid
method
reference
0
votes
What is the difference between a stateful and stateless operation in a stream pipeline?
asked
Apr 28
in
JAVA
by
Robin
stateless
operation
0
votes
What is the difference between findAny() and findFirst() in Java 8?
asked
Apr 28
in
JAVA
by
Robin
findany
and
findfirst
0
votes
What is the purpose of the toArray() method in a stream pipeline?
asked
Apr 28
in
JAVA
by
Robin
toarray
method
0
votes
What is the difference between a predicate and a function in Java 8?
asked
Apr 28
in
JAVA
by
Robin
predicate
function
0
votes
Which of the following is true about the Stream API in Java 8?
asked
Apr 28
in
JAVA
by
Robin
stream
api
0
votes
What is the purpose of the map() method in a stream pipeline?
asked
Apr 28
in
JAVA
by
Robin
map
method
0
votes
What is the difference between a consumer and a supplier in Java 8?
asked
Apr 28
in
JAVA
by
Robin
supplier
java8
0
votes
What is the purpose of the forEach() method in a stream pipeline?
asked
Apr 28
in
JAVA
by
Robin
foreach
method
0
votes
What is the purpose of the flatMap() method in a stream pipeline?
asked
Apr 28
in
JAVA
by
Robin
flatmap
method
0
votes
What is the difference between a parallel stream and a sequential stream?
asked
Apr 28
in
JAVA
by
Robin
sequential
stream
0
votes
What is the difference between a parallel stream and a sequential stream?
asked
Apr 26
in
JAVA
by
SakshiSharma
sequential
stream
0
votes
What is the purpose of the reduce() method in a stream pipeline?
asked
Apr 26
in
JAVA
by
SakshiSharma
reduce
method
0
votes
What is the syntax for a method reference in Java 8?
asked
Apr 26
in
JAVA
by
SakshiSharma
method
reference
0
votes
What is the purpose of the peek() method in a stream pipeline?
asked
Apr 26
in
JAVA
by
SakshiSharma
peek
method
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