c++ arrays

Which of the following correctly declares an array?

• int array;

• array{10};

• array array[10];

• int array[10];

Which of the following is a valid way to initialize an array in C?

• int arr[5] = {1, 2, 3, 4, 5};

• arr[] = {1, 2, 3, 4, 5};

• int arr = {1, 2, 3, 4, 5};

• int arr[5]; arr = {1, 2, 3, 4, 5};

What is the correct syntax to access the third element of an array named 'numbers' in C?

• numbers[3];

• numbers(3);

• numbers{3};

• numbers[2];

What is the correct way to declare a 2D array in C?

• int arr[3][3];

• arr{3,3};

• int arr[][] = {3,3};

• int arr = [3][3];

How can you find the length of an array in C?

• Using the sizeOf() function;

• By counting the number of elements in the array;

• There is no direct way to find the length of an array in C;

• Using the length() method;

Consider the following array declaration: int arr[5] = {0};. What will be the value of arr[4]?

• Garbage value

• 0
• undefined

• 1

What is the index of the first element in an array?

• 1
• -1
• 0
• null

What is the size of the array declared as int arr[10]; in C?

• 10 bytes

• 40 bytes

• 4 bytes

• 8 bytes

What is the correct definition of an array?

• An array is an element of the different type

• An array is a series of elements of the same type in contiguous memory locations
  
  

• An array is a series of elements of the same type placed in non-contiguous memory locations

• An array is a series of element

Which of the following is true about arrays in C?

• Arrays can only store elements of the same data type

• Arrays can dynamically resize during runtime

• Arrays cannot be passed to functions by reference

• Arrays are limited to a maximum of 100 elements