question What is the output of printf d 1 1 10 20

Programming

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

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

The ternary operator evaluates to 10 when the condition is true.

What is the purpose of the 'instanceof' operator in Java?

A. Check if an object is an instance of a class
B. Compare two objects
C. Check if a class is an instance of an object
D. Check if an object is null

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() { }

What is the purpose of the 'finally' block in Java?

A. Define exceptions
B. Throw exceptions
C. Catch exceptions
D. Cleanup code

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

What is the output of printf("%c", 65);?

A. A
B. B
C. 65
D. 66

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

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

What is the output of System.out.println("Hello" + 1 + 2);?

A. Hello3
B. Hello12
C. Hello21
D. Compile error

How do you declare a function pointer in C?

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

Which Java keyword is used to implement multiple interfaces in a class?

A. using
B. extends
C. implements
D. inheritance

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

A. &
B.
C. -
C. ^