quiz2

Which of the following is NOT a characteristic of Java Streams?

• Option_a: Immutable
  
  
  

• Option_b: Lazy evaluation

• Option_c: Parallelizable

• Option_d: Modifiable
  

Which method is used to create a sequential stream from a collection in Java?

• Option_a: Stream.of()
  
  
  

• Option_b: stream()

• Option_c: parallelStream()

• 
  Option_d: toStream()

In a Stream pipeline, which operation must be terminal?

• Option_a: filter()
  
  
  
  

• Option_b: map()

• Option_c: reduce()

• Option_d: flatMap()

Which functional interface is used for the filter operation in a Stream pipeline?

• Option_a: Consumer
  
  
  

• Option_b: Predicate

• Option_c: Supplier

• Option_d: Function
  

Which of these is a primitive variant of the Consumer functional interface?

• Option_a: IntFunction
  
  
  
  

• Option_b: IntSupplier

• Option_c: IntConsumer

• Option_d: IntPredicate

What does the BiFunction interface represent?

• Option_a: A function that takes one argument and returns a result
  
  
  
  

  
  

• Option_b: A function that takes two arguments and returns a result

• Option_c: A function that takes three arguments and returns a result

• Option_d: A function that takes two arguments and returns no result

Which stream operation is used to perform filtering of elements?

• Option_a: filter()
  
  
  

• Option_b: map()

• Option_c: collect()

• Option_d: reduce()

What is the main purpose of the map operation in a stream pipeline?

• Option_a: To filter elements
  
  
  

• Option_b: To transform elements

• Option_c: To collect elements

• Option_d: To aggregate elements
  

Which operation is used to flatten nested streams into a single stream?

• Option_a: map()
  
  
  
  

• Option_b: flatMap()

• Option_c: reduce()

• Option_d: filter()

Which of the following is NOT an intermediate stream operation?

• Option_a: filter()
  
  
  

• Option_b: map()
  

• Option_c: reduce()

• Option_d: flatMap()