Ques 15:Arithmetics

package Mathematics;
import java.lang.*;
public class Arithmetics
{
public int add(int x, int y)
{
return x+y;
}
}
package Calculator;
import Mathematics.*;
public class Test1
{
public static void main(String args[])
{
Arithmetics obj=new Arithmetics();
System.out.println("5+9="+obj.add(5,9));
}
}