invariant.java

来自「经典java书籍《thinking in java（第三版）》的源码」· Java 代码 · 共 7 行

//: c13:Invariant.java
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
public interface Invariant {
  InvariantState invariant();
} ///:~