Static VS Dynamic Binding in Java

StaticDynamicBinding.java

import java.util.*;
import java.lang.*;
import java.io.*;

class A{

	public void print(){
		System.out.println("A is called");
	}
}

class B extends A{
	
	public void print(){
		System.out.println("B is called");
	}
}

class StaticDynamicBinding
{
	public static void fun(A obj){
		System.out.println("A is called");
		obj.print(); //this is dynamic binding,print will be called based on the type
					//it may be A or B
	}
	public static void fun(B obj){
		System.out.println("B is called");
		obj.print();
	}
	public static void main (String[] args) throws java.lang.Exception
	{
		A obj = new B();
		fun(obj);//this is static binding, will call fun(A) because obj is of type A
	}
}