parcel11.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 35 行

//: innerclasses/Parcel11.java
// Nested classes (static inner classes).

public class Parcel11 {
  private static class ParcelContents implements Contents {
    private int i = 11;
    public int value() { return i; }
  }
  protected static class ParcelDestination
  implements Destination {
    private String label;
    private ParcelDestination(String whereTo) {
      label = whereTo;
    }
    public String readLabel() { return label; }	
    // Nested classes can contain other static elements:
    public static void f() {}
    static int x = 10;
    static class AnotherLevel {
      public static void f() {}
      static int x = 10;
    }
  }
  public static Destination destination(String s) {
    return new ParcelDestination(s);
  }
  public static Contents contents() {
    return new ParcelContents();
  }
  public static void main(String[] args) {
    Contents c = contents();
    Destination d = destination("Tasmania");
  }
} ///:~