Java Quiz 2

What is passed when an object is passed to a method in Java?

• A new copy of the object                             

• A reference to the original object

• A copy of the object reference                      

• The actual object itself

What is required for a recursive method to terminate correctly?

• A loop           

• A base case              

• A class constructor                 

• A static keyword

What does the static keyword in Java indicate?

• method or variable belongs to an instance of the class           

• method or variable belongs to the class itself                           

• method cannot return a value

• variable is final and cannot change

How can you pass command-line arguments to a Java program?

• Through a file                                                              

• Through the main() method's parameters                    

• Through the keyboard

• Through the constructor

Which of the following is true about inheritance in Java?

• Java supports multiple inheritance through classes        

• Java supports multiple inheritance using interfaces        

• A class can inherit from multiple classes

• Java does not support inheritance

Which of the following is not true about the super keyword?

• It can be used to access superclass fields                        

• It can be used to call superclass constructors                 

• It can be used to call superclass methods

• It can be used to override static methods

Why is dynamic method dispatch useful?

• For compile-time polymorphism                          

• For achieving run-time polymorphism                 

• For calling private methods

• For method overloading

Which keyword combination is illegal in Java?

• final abstract                  

• final static              

• final private                    

• final public

Where can a nested interface be declared in Java?

• Inside a class                

• Inside another interface                

• Both A and B              

• Nowhere

What is a multi-catch block in Java?

• Multiple catch blocks for a single try       

• Catching multiple exceptions in one catch block using |

• Using multiple try blocks 

• Nested catch blocks