publicclassTestCase{publicstaticvoidmain(String[]args){ServiceLoader<Search>s=ServiceLoader.load(Search.class);Iterator<Search>iterator=s.iterator();while(iterator.hasNext()){Search search=iterator.next();search.searchDoc("hello world");}}} 可以看到输出结果:文件搜索 hello world 如果在com.cainiao.ys...
[Android.Runtime.Register("asSubclass","(Ljava/lang/Class;)Ljava/lang/Class;","")] [Java.Interop.JavaTypeParameters(new System.String[] {"U"})]publicJava.Lang.ClassAsSubclass(Java.Lang.Class clazz); Parameters clazz Class the class of the type to cast this class object to ...
particular// property may also control which LogFactory concrete subclass is// used, but only if other discovery mechanisms fail../// As the properties file (if it exists) will be used one way or// another in the end we may as well look for it first.// classpath根目录下寻找commons-l...
asSubclass() 方法可在java.lang包。 asSubclass() 方法强制转换此 Class 对象以表示由给定 Class 对象表示的类的子类。 asSubclass() 方法是一个非静态方法,它只能通过类对象访问,如果我们尝试使用类名访问方法,那么我们将得到一个错误。 asSubclass() 方法可能会在投射类时抛出 ClassCastException。ClassCastExcept...
Class Class Fields Properties Methods Explicit Interface Implementations ClassCastException ClassCircularityError ClassFormatError ClassLoader ClassNotFoundException ClassValue CloneNotSupportedException Compiler Deprecated DeprecatedAttribute Double Enum EnumConstantNotPresentException Error Exception ExceptionInInitializerErr...
Similarly, only this class or one of its subclasses can be the argument type in a catch clause. For the purposes of compile-time checking of exceptions, Throwable and any subclass of Throwable that is not also a subclass of either RuntimeException or Error are regarded as checked exceptions....
方法名:asSubclass Class.asSubclass介绍 [英]Casts this Class to represent a subclass of the given class. If successful, this Class is returned; otherwise a ClassCastException is thrown.[中]强制转换该类以表示给定类的子类。如果成功,则返回该类;否则将抛出ClassCastException。 代码示例 代码示例来源:...
public <U> Class<? extends U> asSubclass(Class<U> clazz)This method casts this Class to return a subclass of the class represented by the specified clazz object. If cast is not valid, it throws a ClassCastException . This method is useful when a client needs to "narrow" the type of...
对于反射来说,Class是核心,任何反射的对象都需要通过Class来获得。 Class 类的实例表示正在运行的 Java 应用程序中的类和接口。枚举是一种类,注释是一种接口。每个数组属于被映射为 Class 对象的一个类,所有具有相同元素类型和维数的数组都共享该 Class 对象。基本的 Ja
方法名:asSubclass Class.asSubclass介绍 [英]Casts this Class to represent a subclass of the given class. If successful, this Class is returned; otherwise a ClassCastException is thrown. [中]强制转换该类以表示给定类的子类。如果成功,则返回该类;否则将抛出ClassCastException。