question What is the role of the super keyword in Java

Programming

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

A. Invoke superclass constructor
B. Refer to the subclass object
C. Invoke a static method
D. Create a superclass instance

'super' is used to invoke the superclass constructor.

How do you declare an array in Java?

A. int[] arr;
B. int arr();
C. array arr;
D. array[] arr;

What is Java?

A. A scripting language
B. A markup language
C. A programming language
D. A database language

Which keyword is used to declare a constant in Java?

A. constant
B. const
C. final
D. static

What is the purpose of the 'try-catch' block in Java?

A. Define exceptions
B. Throw exceptions
C. Catch and handle exceptions
D. Propagate exceptions

How do you achieve multiple inheritance in Java?

A. Using interfaces
B. Using abstract classes
C. Using multiple extends keyword
D. Java doesn't support multiple inheritance

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 entry point for the execution of a Java program?

A. main() method
B. start() method
C. execute() method
D. run() method

Which operator is used for object instantiation in Java?

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

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

Which of the following is not a primitive data type in Java?

A. int
B. float
C. double
D. class