/* Listing0806.java */

public class Listing0806
{
  public static void main(String[] args)
  {
    ClassWithPrivateA a1 = new ClassWithPrivateA(7);
    ClassWithPrivateA a2 = new ClassWithPrivateA(11);
    a2.setOtherA(a1, 999);
    System.out.println("a1 = " + a1.toString());
    System.out.println("a2 = " + a2.toString());
  }
}

class ClassWithPrivateA
{
  private int a;

  public ClassWithPrivateA(int a)
  {
    this.a = a;
  }

  public void setOtherA(ClassWithPrivateA other, int newvalue)
  {
    other.a = newvalue;
  }

  public String toString()
  {
    return "" + a;
  }
}