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

Programming

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

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

'real' is not a valid data type in C.

How do you declare a function pointer in C?

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

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();

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

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

How do you create an object of a class in Java?

A. Object obj = new Object();
B. class obj = new class();
C. Object obj = createObject();
D. obj = createObject();

What is the role of the 'static' keyword in Java?

A. Create a static method
B. Create a static variable
C. Define a constant
D. Create a static class

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

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

What is the purpose of the 'finalize' method in Java?

A. Garbage collection
B. Exception handling
C. Object cloning
D. Method overloading

How do you create a thread in Java?

A. Using the run() method
B. Extending the Thread class
C. Implementing the Runnable interface
D. Both B and C

What is the output of System.out.println("Java" == "Java");?

A. true
B. false
C. Compile error
D. Runtime error

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

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