boundedclassreferences.java

thinking in java 书中源码 第四版

//: typeinfo/BoundedClassReferences.java

public class BoundedClassReferences {
  public static void main(String[] args) {
    Class<? extends Number> bounded = int.class;
    bounded = double.class;
    bounded = Number.class;
    // Or anything else derived from Number.
  }
} ///:~