Function Overloading

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Revision of Class IX Syllabus
Introduction to Object Oriented Programming Concepts
- Introduction of Object-oriented Programming
- Procedure Oriented Language
- Object Oriented Language
- Principles of Object Oriented Programming (OOP)
Elementary Concept of Objects and Classes
- 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
Values and Data Types
- Introduction of Values and Data Types
- Character Sets in Java
- Encoding of Characters
- Escape Sequences
- Tokens
- Data Types
- Type Conversion
Operators in Java
- Introduction of Operators in Java
- Expression and Statement
- Types of Operators
Introduction to Java
- Introduction to Java
- Java Compiler and Interpreter
- Basic Elements of Java Programming
- Output Statement in Java Programming
- Java Programming using BlueJ
- Java Program on BlueJ Platform
Input in Java
- Introduction of Input in Java
- Using Function Argument
- Using Stream Class
- Using Scanner Class
- Using Command Line Argument
- Types of Errors
- Comment Statements in Java Programming
Mathematical Library Methods
- Introduction of Mathematical Library Methods
- Methods of Math Class
- Trigonometrical Functions
Conditional Statements in Java
- Introduction of Conditional Statements in Java
- Flow of Control
- Normal Flow of Control
- Conditional Flow of Control
Iterative Constructs in Java
- Introduction of Iterative Constructs in Java
- Entry Controlled Loop
- Exit Controlled Loop
Nested Loop
- Introduction of Nested Loop
- Types of Nested Loops
Library Classes
Arrays (Single Dimensional and Double Dimensional)
String Handling
User - Defined Method
Class as the Basis of All Computation
Constructors
Encapsulation

Function Overloading:

C++ and Java facilitate designing a number of functions with the same function name. However, their parametric types must be different. Such functions are called overloaded functions, and the process is said to be function overloading.

Need to use Overloaded Functions

As we know, an object contains a state and behaviour (data and functions). Sometimes, it is intended to perform similar operations with a slight change in the parameters. Hence, it is reliable to use many functions with the same name for similar operations.

Defining Overloaded Functions

A method header contains a method name and several parameters. The methods with the same name are treated to be the same, if the types and the number of parameters are the same. Hence, the parameter list must be different in their types or numbers while defining overloading functions.

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Related QuestionsVIEW ALL [3]

Define a class to overload the method display() as follows:

void display(): To print the following format using nested loop.

1 2 1 2 1

void display (int n, int m): To print the quotient of the division of m and n if m is greater than n otherwise print the sum of twice n and thrice m. double display (double a, double b, double c) - to print the value of z where

z = p × q

`p=(a+b)/c` q = a + b + c

Design n class to overload a function SumSeriesO as follows:

(i)

void SumSeries(int n, double x) – with one integer argument and one double argument to find and display the sum of the series given below:

`"s" = "x"/1 - "x"/2 + "x"/3 - "x"/4 + "x"/5`...... ...... ...... to n terms

(ii)

void SumSeries() – To find and display the sum of the following series:
s = 1 + (1 x 2) + (1 x 2 x 3) + ….. + (1 x 2 x 3 x 4 x 20)

Define a class to overload the function print as follows:

void print()	to print the following format
	1	1	1	1
	2	2	2	2
	3	3	3	3
	4	4	4	4
	5	5	5	5

void print(int n)	To check whether the number is a lead number. A lead number is one whose sum of even digits is equal to the sum of odd digits.
	e.g. 3669 odd digits sum = 3 + 9 = 12 even digits sum = 6 + 6 = 12 3669 is a lead number.

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Topics

Revision of Class IX Syllabus

Introduction to Object Oriented Programming Concepts

Elementary Concept of Objects and Classes

Values and Data Types

Operators in Java

Introduction to Java

Input in Java

Mathematical Library Methods

Conditional Statements in Java

Iterative Constructs in Java

Nested Loop

Library Classes

Arrays (Single Dimensional and Double Dimensional)

String Handling

User - Defined Method

Class as the Basis of All Computation

Constructors

Encapsulation