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Chapters
▶ 1.2: Elementary Concept of Objects and Classes
1.3: Values and Data Types
1.4: Operators in Java
1.5: Introduction to Java
1.5: Input in Java
1.6: Mathematical Library Methods
1.7: Conditional Statements in Java
1.8: Iterative Constructs in Java
1.9: Nested Loop
2: Library Classes
3: Arrays (Single Dimensional and Double Dimensional)
4: String Handling
5: User - Defined Methods
6: Class as the Basis of all Computation (Objects and Classes)
7: Constructors
8: Encapsulation and Inheritance
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Solutions for Chapter 1.2: Elementary Concept of Objects and Classes
Below listed, you can find solutions for Chapter 1.2 of CISCE Avichal for Computer Applications [English] Class 10 ICSE.
Avichal solutions for Computer Applications [English] Class 10 ICSE 1.2 Elementary Concept of Objects and Classes Review Insight [Page 15]
Name the keyword that defines the characteristics or the data members for the objects of a class.
Class and Objects are interrelated. Explain.
What is the importance of the keyword 'new' while creating an object?
In what way would you relate a real world object to a software object?
Why is a class called an object factory?
Why is a class known as composite data type?
Why is an object called an instance of a class?
What is the difference between an object and a class?
Write a Java statement to create an object mp4 of class digital.
Avichal solutions for Computer Applications [English] Class 10 ICSE 1.2 Elementary Concept of Objects and Classes EXERCISES [Pages 16 - 17]
Multiple Choice Questions:
Which of the following keywords is used to create an instance of a class?
New
Public
Class
Main
The ______ is called an instance of a class.
Attribute
Object
State
Features
The objects we see around us are called as:
Real world object
Virtual object
Imaginary object
None of the above
Which of the following makes a function non-returnable?
Public
Static
Void
New
Which of the following statements is valid for the objects?
They possess same characteristics and behaviour.
They possess same characteristics but different behaviour.
They possess different characteristics and different behaviour.
They possess different characteristics but common behaviour.
Fill in the blanks:
Creating ______ is the fundamental concept in object oriented programming language.
A class is also considered as an ______ factory.
A real world object deals with characteristics and ______.
The ______ of a class differs on various characteristics.
The characteristics of the ______ objects are considered to be the data members of the ______ objects.
An object of a class is created by using a keyword ______.
Class is a ______ of the objects.
______ keyword is used for dynamic allocation of an object.
Answer the following questions:
How will you define a software object?
Define a class with an example.
Define an object with an example.
What does the following statement mean?
Employee staff = new Employee ( );
A class is also referred to as 'Object Factory'. Comment.
Why is a class known as composite data type?
A statement is given as:
'Study_Table' is an object of the class 'Furniture'. Write down Java statement for the same.
Class and Objects are interrelated. Explain.
Why is an object called an instance of a class?
Write a statement to create an object 'Keyboard' of the class 'Computer'.
Mention three characteristics and two methods for the following Class:
class Mobile Phone
Mention three characteristics and two methods for the following Class:
class Bike
Mention three characteristics and two methods for the following Class:
class Fruits
Mention three characteristics and two methods for the following Class:
class Pen
Design a program in Java to calculate the discount given to a customer on purchasing LED Television. The program also displays the amount paid by the customer after discount. The details are given as:
Class name: Television
Data members: int cost, int discount, int amount
Member methods:
Accept(): to input the cost of Television
Calculate(): to calculate the discount
Display(): to show the discount and the amount paid after discount
Solutions for 1.2: Elementary Concept of Objects and Classes
Avichal solutions for Computer Applications [English] Class 10 ICSE chapter 1.2 - Elementary Concept of Objects and Classes
Shaalaa.com has the CISCE Mathematics Computer Applications [English] Class 10 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Avichal solutions for Mathematics Computer Applications [English] Class 10 ICSE CISCE 1.2 (Elementary Concept of Objects and Classes) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Computer Applications [English] Class 10 ICSE chapter 1.2 Elementary Concept of Objects and Classes are Introduction of Elementary Concept of Objects and Classes, Creating an Object of a Class, Real World Vs Software Class and Objects, Features of a Class.
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