// Sample1/App.java
//##########################################################
// App Class Implementation (Local)
//##########################################################
//
public class App
{
public App()
{
   A = new Aclass();
}

public int doCalculation(int D)
{
    return A.addTwo(D); // Call an Aclass method
}

//#### DATA MEMBERS ####

     Aclass A;

public static void main(String argv[])
{
    App S = new App();

    int result = S.doCalculation(5);
    System.out.println("The result of the calculation = "
    + result+ " (and should = 7)");
}
}