Calculation using Packages

// Program
package mypackage1;
public class CAL
{
   public int product(int a, int b)
   {
          return a*b;
   }
   public static void main(String args[])
   {
          CAL obj = new CAL();
          System.out.println("Product="+obj.product(15, 12));
   }
}
import mypackage1.CAL;
public class Demo
{
   public static void main(String args[])
   {
          CAL obj = new CAL();
          System.out.println("Product="+obj.product(10, 17));
   }
}

**Author**

Sukhvir Singh

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