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

Programming

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();

'new' is used to create an object of a class in Java.

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

What is the purpose of the 'super()' constructor in Java?

A. Invoke the superclass constructor
B. Refer to the parent class
C. Invoke the subclass constructor
D. Create a superclass instance

Which method is called automatically when an object is garbage collected?

A. finalize()
B. dispose()
C. clean()
D. destroy()

What is the purpose of the 'this' keyword in Java?

A. Refer to the current object
B. Refer to the parent class
C. Refer to the child class
D. Refer to the global scope

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 System.out.println(10 / 3.0);?

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

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

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

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

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

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

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

What is the entry point for the execution of a Java program?

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