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Throws: NoSuchMethodException - if the JVM could not find a method matching the signature specified in the Returns: The returned value of the method cast to the 'returnType' class that this proxy was initialized with. These arguments must match the signature of the method. args - The arguments to pass to the method. Parameters: obj - The object to invoke the method on. Will remain in an uninitialized state after the exception is thrown. If the call fails because the target method could not be found, the invoker Succeeds the invoker will be in an initialized state after this call and future calls to the same method will Invoker has not yet been initialized, an attempt to initialize the invoker will be made first. * The classes and interfaces which belong to a nest, including its host, are * determined when * class} files are generated, for example, a Java compiler * will typically record a top-level class as the host of a nest where the * other members are the classes and interfaces whose declarations are * enclosed within the top-level class declaration.Attempt to invoke the method this proxy targets for on the given object with the given arguments. * One nestmate acts as the * nest host, and enumerates the other nestmates which * belong to the nest each of them in turn records it as the nest host. * The classes and interfaces are known as nestmates.
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A nest is a set of * classes and interfaces, in the same run-time package, that * allow mutual access to their private} members. Other methods describe how a class or interface * is situated in a nest.
#Java reflection example invoke method code#
* * Some methods of class Class} expose whether the declaration of * a class or interface in Java source code was enclosed within * another declaration. A few * characteristics are determined by the class loading environment at run time, * such as the module returned by #getModule() getModule()}. Most characteristics are derived from the class} * file that the class loader passed to the Java Virtual Machine. * * The methods of class Class} expose many characteristics of a * class or interface. Instead a Class} * object is constructed automatically by the Java Virtual Machine * when a class loader invokes one of the * ClassLoader#defineClass(String,byte, int,int) defineClass} methods * and passes the bytes of a class} file. The primitive Java types boolean}, * byte}, char}, short}, * int}, long}, float}, and * double}), and the keyword void} are also * represented as Class} objects. Every array also * belongs to a class that is reflected as a Class} object * that is shared by all arrays with the same element type and number * of dimensions. An enum type is a kind of class and an * annotation type is a kind of interface. */ package java.lang import import import import import import java.io.IOException import java.io.InputStream import java.io.ObjectStreamField import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import import .annotation.ForceInline import import .CoreReflectionFactory import .GenericsFactory import .ClassRepository import .MethodRepository import .ConstructorRepository import .ClassScope import 圜onstants import .* import /** * Instances of the class Class} represent classes and interfaces * in a running Java application. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit if you need additional information or have any * questions.
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#Java reflection example invoke method software#
* * You should have received a copy of the GNU General Public License version * 2 along with this work if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code).
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* * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is free software you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. Line source /* * Copyright (c) 1994, 2019, Oracle and/or its affiliates.