The Enclosing this Reference and Construction of Inner Classes : Inner Classes « Object Oriented « SCJP

1. SCJP
2. Object Oriented
3. Inner Classes

public class MainClass {
  public static void main(String[] argv) {
    new OuterOne();
    System.out.println();
  }
}

class OuterOne {
  private int x = 0;

  public OuterOne() {
    InnerOne inner = new InnerOne();

    outerMethod();
  }

  public class InnerOne {
    private int x = 1;

    public void innerMethod() {
      System.out.println("enclosing x is " + x);
    }
  }

  public void outerMethod() {
    System.out.println("x is " + x);
  }

  public void makeInner() {
    InnerOne anInner = new InnerOne();
    anInner.innerMethod();
  }
}