- JAVA OVERVIEW
- History of Java
- Tools you will need for java
- Java Environment Setup
- Popular Java Editors
- Java Basic Syntax/First-Program
- Java Identifiers
- Java Modifiers
- Java Arrays
- Java Enums
- Java Keywords
- Comments in Java
- Java - Objects and Classes
- Objects in Java
- Classes in Java
- Constructors
- Creating an Object
- Accessing Instance Variables and Methods
- Source file declaration rules
- Java Package
- Simple Case Study
- Basic Data Types
- Primitive Data Types
- Reference Data Types
- Java Literals
- Variable Types
- Local variables
- Instance variables
- Class or static variables
- Java Access Modifiers
- What is OOPS
- Inheritance concept
- Encapsulation
- What is Polymorphism
- Method Overloading
- Method Overriding
- Abstraction in Java
- Abstract class
- Interface in Java
- Method overloading in Java:
- What is Annonymous object?
- Java 8
What is Object ?
An object is a real-world entity.
An entity that has state and behavior and identity is known as an object.
An object is an instance of a class.
An object can be anything like:-pen, chair, person, animal, birds and in programming point of view it can be variables, methods, class etc.
Example
ClassName ReferenceVariable = new ClassName();