wildcardclassreferences.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 9 行

//: typeinfo/WildcardClassReferences.java

public class WildcardClassReferences {
  public static void main(String[] args) {
    Class<?> intClass = int.class;
    intClass = double.class;
  }
} ///:~