question What is the default value of a boolean variable in Java

Programming

What is the default value of a boolean variable in Java?

A. true
B. false
C. 0
D. 1

The default value of a boolean variable is 'false'.

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 purpose of the 'strcmp' function in C?

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

How do you declare a function pointer in C?

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

What does the 'sizeof' operator return for a pointer variable?

A. Size of the pointer
B. Size of the data type pointed to
C. Size of the memory allocated
D. Size of the address

Which of the following is not a valid C data type?

A. int
B. char
C. real
D. double

How do you define a constant pointer to a constant integer in C?

A. const *ptr;
B. *const ptr;
C. const ptr;
D. const int *const ptr;

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

A. Flush the keyboard buffer
B. Flush the output buffer
C. Flush the standard input
D. Flush the file stream

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

A. Read a character
B. Read a string
C. Read an integer
D. Read a float

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

A. Compare memory
B. Copy memory
C. Concatenate memory
D. Allocate memory

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