IP Quiz#2

What is an object in Java?

• An instance of a class.

• A template, pattern or blueprint in creating objects.

• A method in Java

• None of the above

What is a class in Java?

• An instance of a class.

• A template, pattern or blueprint in creating objects.

• A method in java.

• None of the above

Which of the following is used to create an instance of a class?

• new

• classname

• object

• reference

Which of the following is NOT an advantage of Object-Oriented Programming?

• It helps in creating flexible and efficient code.

• Reusability of code

• Modularity

• None of the above

What is the output of the following code?

• null

• name

• 0

• myDog

What is the output of the following code?

• null

• name

• Chooey

• myDog

Write the correct code for creating an instance of class Cat.

Note: objectname is myCat.

(a)  

A variable that is declared within a class, it can be accessed within the whole class.

(a)  

A variable that is declared inside a method, condition, loops and any other block of code, it can only be accessed within that block of code.

(a)  

A method can return one or no values.

• True

• False