genericsandreturntypes.java

来自「thinking in java 书中源码 第四版」· Java 代码 · 共 15 行

//: generics/GenericsAndReturnTypes.java

interface GenericGetter<T extends GenericGetter<T>> {
  T get();
}

interface Getter extends GenericGetter<Getter> {}

public class GenericsAndReturnTypes {
  void test(Getter g) {
    Getter result = g.get();
    GenericGetter gg = g.get(); // Also the base type
  }
} ///:~