Array with Function - Quiz

How is an array passed to a function in Java?

  • A By value
  • B By reference
  • CBy reference value
  • D By pointer

Which of the following is the correct method declaration to accept an integer array?

  • Avoid method(int arr)
  • Bvoid method(int[] arr)
  • Cvoid method(arr[])
  • D void method(array int)

Can a method return an array in Java?

  • ANo, methods cannot return arrays
  • BYes, only static methods can
  • CYes, methods can return arrays
  • DOnly public methods can return arrays

What happens when an array is modified inside a function?

  • AOnly local copy changes
  • B Original array remains unchanged
  • C Original array is modified
  • DCompilation error occurs

Which keyword is used to define a method that can be called from main() without creating an object?

  • Apublic
  • Bprivate
  • Cstatic
  • Dfinal

Which of the following is a correct function call passing an array?

  • AsumArray(arr[])
  • B sumArray(&arr)
  • C sumArray(arr)
  • DsumArray(*arr)

What does the method parameter int[] arr represent?

  • AA single integer
  • BA pointer
  • CA reference to an integer array
  • DA constant value

Which loop is most commonly used to process array elements inside a function?

  • Ado-while loop
  • B while loop
  • Cfor loop
  • DAll of the above

What is the main benefit of using arrays with functions?

  • A Faster compilation
  • BReduced memory usage
  • CCode reusability
  • DBetter graphics

Which of the following statements is TRUE?

  • AArrays cannot be passed to methods
  • BArrays are copied when passed to methods
  • CArrays are passed as reference values
  • DArrays are passed only to static methods

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