Video-22 What is Object in JAVA | how to create Object in java
Object in Java An entity that has a state and behavior is known as an object ea .g., a chair, bike, marker, pen, table, car, etc. It can be physical or logical (tangible and intangible. An example of an intangible object is the banking system.
An object has three characteristics:
State: represents the data (value) of an object.
Behavior: represents the behavior (functionality) of an object such as deposit, withdrawal, etc.
Identity: An object identity is typically implemented via a unique ID. The value of the ID is not visible to the external user. However, it is used internally by the JVM to identify each object uniquely.
An object is an instance of a class. A class is a template or blueprint from which objects are created. So, an object is the instance(result) of a class.
Object Definitions:
An object is a real-world entity.
An object is a runtime entity.
The object is an entity that has a state and behavior.
The object is an instance of a class.
There are many ways to create an object in java. They are:
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By new keyword
By newInstance() method
By clone() method
By deserialization
By factory method etc.
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