question Which operator is used for object instantiation in Java

Programming

Which operator is used for object instantiation in Java?

A. new
B. malloc
C. instantiate
D. create

'new' is used for object instantiation in Java.

How do you close a file in C?

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

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

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

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

A. Define a constant
B. Declare a variable
C. Create a static function
D. Preserve variable value between function calls

What is the output of printf("%s", "Hello" + 1);?

A. Hello
B. ello
C. H
D. e

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

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

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

Which operator is used to access the value pointed to by a pointer in C?

A. ->
B. *
C. ::
D. .

How do you declare a constant in an interface in Java?

A. const int CONSTANT = 5;
B. final int CONSTANT = 5;
C. static final int CONSTANT = 5;
D. public final int CONSTANT = 5;