WRITE A PROGRAM FOR PACKAGES

PackageDemo.java

import arithmetic.*;

class PackageDemo

{

 public static void main(String args[])

 {

             Addition a=new Addition();

             Substraction s=new Substraction();

             Multiplication m=new Multiplication();

             Division d=new Division();

             a.add(20,10);

             s.sub(20,10);

             m.multi(10,20);

             d.dir(20,10);

 }

}

Addition.java

package arithmetic;

public class Addition

{

            public void add(int a,int b)

            {

            System.out.println("Addition of two numbers"+(a+b));

            }

}

Division.java

package arithmetic;

public class Division

{

            public void dir(int a,int b)

            {

             System.out.println("Division of two numbers"+(a/b));

            }

}

Multiplication.java

package arithmetic;

public class Multiplication

{

            public void multi(int a,int b)

            {

             System.out.println("Multiplication of two numbers"+(a*b));

            }

}

Substraction.java

package arithmetic;

public class Substraction

{

            public void sub(int a,int b)

             {

             System.out.println("Difference of two numbers"+(a-b));

             }

}

Output:

Addition of two numbers30

Difference of two numbers10

Multiplication of two numbers200

Division of two numbers2