Package In Java

package MyPackage;

public class IntOperation

{

            public void  multiplication(int m,int n)

            {

                        System.out.println("Multiplication of " + m + " and  " + n + " is "  +m*n);

            }

            public void addition(int m,int n)

            {

                        System.out.println("Addition of " + m + " and " + n + " is " + m+n);

            }

            public void square(int m)

            {

                        System.out.println("Square of " + m + " is " +m*m);

            }

}

import MyPack.*;

class PackageDemo

{

            public static void main(String args[])

            {

                        IntOperation o=new IntOperation();

                        o.multiplication(2,3);

                        o.addition(2,3);

                        o.square(2);                 

            }

}