public class A {

  public int a = -1;
  public boolean c;
  public String s;

  public A (int i) { 

    System.out.println("A(int i) a was " + a);
    a = i;
    System.out.println("after A(int i) a = " + a);
  }

  public A () { 

    System.out.println("A() a was " + a);
    a = 0;
    System.out.println("after A() a = " + a);
  }

}