Features of a Constructor

Topics

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

Features of a constructor:

A constructor is defined with the same name as the class, used solely for initializing data members and is called automatically when an object is created, needing no explicit call or return type. It is always public and can be overloaded by defining multiple constructors with different parameters.

Syntax to define a constructor

Note: class<class name>

{

//Content of class

}

<class name>()

{

//content of constructor

}

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Related QuestionsVIEW ALL [4]

What is a parameterized constructor?

Write the output of the following program code:

char ch ;
int x=97;
do
{
ch=(char) x;
System.out.print(ch + “ ” );
if(x%10 == 0)
break;
++x;
}while(x<=100);

Name the two types of constructors.

Consider the following program segment and answer the questions below:

class calculate
{
     int a;double b;
     calculate()
     {
     a=0;
     b=0.0;
     }
     calculate(int x, double y)
     {
     a=x;
     b=y;
     }
   void sum()
   {
     System.out.println(a*b);
}}

Name the type of constructors used in the above program segment.

Features of a Constructor

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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