OnJava8-Examples/innerclasses/TestParcel.java

// innerclasses/TestParcel.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

class Parcel4 {
  private class PContents implements Contents {
    private int i = 11;
    @Override
    public int value() { return i; }
  }
  protected final class
  PDestination implements Destination {
    private String label;
    private PDestination(String whereTo) {
      label = whereTo;
    }
    @Override
    public String readLabel() { return label; }
  }
  public Destination destination(String s) {
    return new PDestination(s);
  }
  public Contents contents() {
    return new PContents();
  }
}

public class TestParcel {
  public static void main(String[] args) {
    Parcel4 p = new Parcel4();
    Contents c = p.contents();
    Destination d = p.destination("Tasmania");
    // Illegal -- can't access private class:
    //- Parcel4.PContents pc = p.new PContents();
  }
}