Free Printable Elementary Concepts of Class and Object

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Elementary Concepts of Class and Object

Total questions: 13

Worksheet time: 32mins

Name

Class

Date

(a) is a collection of objects that share common characteristics and behaviour.

The (a) of a class differs on various characteristics.

In the statement
Bank tom = new Bank(5000.0);
Which is the class?

Bank

tom

new

5000.0

True or False: Class is created based on objects.

True

False

Which of the following is false with respect to a class?

It is an object factory

It is a template using which objects are created.

It is an instance of a class

It is a prototype of objects

When we want to print in Java, we use the code ......

system.out.print();

System.out.println();

System.Out.Printf();

System.out.show();

These have identity , state and behaviour

object

class

function

data menbers

Define Object with an example.

4 lines

Why is an Object called an 'Instance' of a class? Explain.

4 lines

10.

Write a statement to create an object 'Keyboard' of the class 'Computer'.

4 lines

11.

What is the significance of the keyword 'new' while creating an object?

4 lines

12.

Why is a class known as a composite data type?

4 lines

13.

What is the difference between a class and an object?

4 lines

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Elementary Concepts of Class and Object

Total questions: 13

Worksheet time: 32mins

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