一、异常的含义 "object is not an instance of declaring class"的意思是我们试图在一个与声明该方法或属性的类不同的对象上调用该方法或访问该属性。这个异常通常会在反射调用中出现,尤其是在处理多态或者继承关系时。 二、异常的场景 该异常主要发生在以下场景中: 使用反射时:当你试图通过反射调用一个对象的方...
receiver->is_a(klass())) { THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class"); } // target klass is receiver's klass target_klass = KlassHandle(THREAD, receiver->klass()); // no need to resolve if method is private or <...
DeclaringClass Handle The handle to the underlying Android instance. (Inherited from Object) IsSynthetic Returns true if this executable is a synthetic construct; returns false otherwise. IsVarArgs Returns true if this executable was declared to take a variable number of arguments; returns false...
/*** Return the qualifier or bean name of the executor to be used when executing the * given method, specified via {@linkAsync#value} at the method or declaring * class level. If {@code@Async} is specified at both the method and class level, the * method's {@code#value} takes pr...
getDeclaredMethod("getObjectName"); // 不符合多态和动态绑定 // sMethod.invoke(bObj);//sMethod调用父类的getObjectName(),会报错:java.lang.IllegalArgumentException: object is not an instance of declaring class sMethod.invoke(sObj); // 2.反射调用可变参数的方法 Method changeMethod = sClazz.get...
MethodHandles.Lookup::findStaticVarHandle Does Not Eagerly Initialize the Field’s Declaring Class(JDK-8291065) G1: More Deterministic Heap Resize at Remark(JDK-8314573) The javac Compiler Should Not Accept Private Method References with a Type Variable Receiver(JDK-8318160) 已知问题 Java Terminates...
An invocation of thehashCode,equals, ortoStringmethods declared injava.lang.Objecton a proxy instance will be encoded and dispatched to the invocation handler'sinvokemethod in the same manner as interface method invocations are encoded and dispatched, as described above. The declaring class of theMe...
Each entity has a unique object identifier. A customer entity, for example, might be identified by a customer number. The unique identifier, orprimary key, enables clients to locate a particular entity instance. Every entity must have a primary key. An entity may have either a simple or a ...
* given method, specified via {@link Async#value} at the method or declaring * class level. If {@code @Async} is specified at both the method and class level, the * method's {@code #value} takes precedence (even if empty string, indicating that ...
Gradle - Incremental builds which are programmed via Groovy instead of declaring XML. Works well with Maven's dependency management. GitHub - m0ver/awesome-java: A curated list of awesome Java frameworks, libraries and software.Bytecode Manipulation Libraries to manipulate bytecode programmatically. AS...