question Which of the following is a correct way to create an ArrayList in Java

Programming

Which of the following is a correct way to create an ArrayList in Java?

A. ArrayList arr = new ArrayList();
B. List arr = new List();
C. List arr = new ArrayList();
D. ArrayList arr = new List();

'ArrayList arr = new ArrayList();' creates an ArrayList in Java.

What is the output of printf("%c", 'a' - 32);?

A. a
B. A
C. b
D. B

What is the purpose of the 'strcmp' function in C?

A. Concatenate strings
B. Copy strings
C. Compare strings
D. Convert strings

What is the role of the 'auto' keyword in C?

A. Declare an automatic variable
B. Declare an automatic pointer
C. Automatically allocate memory
D. Auto-cast variables

How do you declare a dynamic array in C?

A. int arr[];
B. int arr[10];
C. int *arr = malloc(10 * sizeof(int));
D. int arr[10] = new int[10];

What is the output of printf("%d", 10 % 3);?

A. 1
B. 2
C. 0
D. 3

How do you define a multi-line macro in C?

A. #define MACRO_NAME() { }
B. #define MACRO_NAME { }
C. #macro MACRO_NAME { }
D. #macro MACRO_NAME() { }

How do you declare a function pointer in C?

A. int (*funcPtr)();
B. int funcPtr();
C. (*int funcPtr)();
D. int *funcPtr();

What is the purpose of the 'getch' function in C?

A. Get a character without echoing to the screen
B. Get a character with echoing to the screen
C. Get an integer
D. Get a float

Which of the following is not a bitwise operator in C?

A. &
B.
C. -
C. ^

What is the output of printf("%d", 1 == 1 ? 10 : 20);?

A. 10
B. 20
C. 1
D. 0