3. Create package pack1 within this package create class A which contains one instance variable and one instance method. Create another package pack2 within this package create class B. where class B is calling the method and variable of class A

/* save as a file 1 -> A.java */

package Pack1;

public class A

{

    public int var1 = 10;

   

    public void print()

    {

        System.out.println("this is pack1 in class A print method");

    }

}

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/* save as a file 2 -> B.java */

package Pack2;

import Pack1.*;

class B

{

    public static void main(String args[])

    {

        A obj = new A();

       

        System.out.println("pack1 in class a instance variable value is: " + obj.var1);

        obj.print();

    }

}