java反射基本概念

java反射基本概念

1.java反射入口

    在java程序中，任何对象都有其对应的Class，而Class是通向java反射的一道大门。

在java中获取Class有三种方式：1.通过对象的getClass()方法；2.通过类的.class属性；3.通过Class的方法

public static Class forName(String className)2

/*
 * Copyright 2016    https://github.com/sdcuike Inc. 
 * All rights reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.doctor.reflect;

import java.util.Vector;

/**
 * @author sdcuike
 *
 *         Created At 2016年8月28日 下午2:55:57
 * 
 *         在java中获取Class有两种方式
 */
public class HowGetClass {

    /**
     * 在java中获取Class有两种方式
     * 
     * @param args
     */
    public static void main(String[] args) {
        // 1.
        @SuppressWarnings("rawtypes")
        Class vectorClass = Vector.class;
        System.out.println(vectorClass);// class java.util.Vector
        System.out.println(vectorClass.getName());// java.util.Vector
        System.out.println(vectorClass.getSimpleName());// Vector
        System.out.println(vectorClass.getCanonicalName());// java.util.Vector

        // 2.
        Vector