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Object and class in Java
When we consider a Java program, it can be defined as a collection of objects that communicate via invoking each other's methods. Let us now briefly look into what do class, object means.
- Object − Objects have states and behaviors. Example: A dog has states - color, name, breed as well as behavior such as wagging their tail, barking, eating. An object is an instance of a class.
- Class − A class can be defined as a template/blueprint that describes the behavior/state that the object of its type supports.
Example
public class Tester { public void message(){ System.out.println("Hello World!"); } public static void main(String args[]) { Tester tester = new Tester(); tester.message(); } }
Here Tester is class and tester is its object.
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