question How do you close a file in C

Programming

How do you close a file in C?

A. close(file);
B. fclose(file);
C. file.close();
D. endfile(file);

'fclose' is used to close a file in C.

Which header file is needed for file input and output operations in C?

A. stdlib.h
B. string.h
C. stdio.h
D. math.h

What is the output of printf("%d", 5 << 2);?

A. 20
B. 10
C. 40
D. 5

Which method is used to read data from the keyboard in Java?

A. read()
B. input()
C. System.in.read()
D. Scanner.next()

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

A. Tokenize a string
B. Compare strings
C. Concatenate strings
D. Copy strings

What is the output of System.out.println(10 / 3.0);?

A. 3.33
B. 3.0
C. 3
D. 3.333333

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", sizeof(1.5));?

A. 4
B. 8
C. 2
D. 1

How do you define a macro in C?

A. #define MACRO_NAME()
B. define MACRO_NAME():
C. #macro MACRO_NAME
D. #define MACRO_NAME value

Which method is called to compare objects for equality in Java?

A. compare()
B. equals()
C. compareTo()
D. equality()

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

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