java8源码分析
License: Apache License 2.0
LinkedHashMap # afterNodeAccess中有一处有疑问，求大神解答
// 使用对象
@DaTa
@AllArgsConstructor
public class User {
private Integer id;
private String username;
}
这里是不是缺了个带参的构造方法。Main中是这样的：
// 测试类
public class Main {
public static void main(String[] args) {
ZooProxy proxy = new ZooProxy(new ZooImpl());
proxy.enter(new User(1, "stalary"));
proxy.enter(new User(2, "hawk"));
proxy.enter(new User(3, "claire"));
}
}
另外还有get/set以及toString()方法，否则与测试结果不符。
//构造一个包含特定元素的list,用iterator依次取出collection中的元素
public ArrayList(Collection<? extends E> c) {
elementData = c.toArray();
if ((size = elementData.length) != 0) {
//这里有个bug，c.toArray()可能不会返回Object[]
//这里为什么会不返回Object[]数组，能给解释一下么？ 您指的bug是什么呢？
if (elementData.getClass() != Object[].class)
elementData = Arrays.copyOf(elementData, size, Object[].class);
} else {
// replace with empty array.
this.elementData = EMPTY_ELEMENTDATA;
}
}
设计模式的例子有的感觉不太恰当，比如策略模式的例子。同时，在介绍各个模式的时候，缺乏一些经验性的总结，比如什么情况下建议使用、好处是什么、坏处是什么，最好可以再加上一点很有代表性的例子，比如 spring 中是怎么使用这种设计模式的。
spring 源码的解读，个人建议不要从 AppLicationContext 开始往下看，这样容易摸不着头脑。你会对一些步骤感到很奇怪。我觉得在解读源码之前，最好先理清 spring 都做了哪些事；为什么要做；如果是你，你会怎么做；spring 是怎么做的；为什么要这样做。。从下往上看，思路会更清晰一些。通俗一点就是，从 BeanFactory、Resource、ResourceLoader、BeanDefination 这部分开始看起。先看加载过程，然后看初始化过程，最后看整体设计。当然，从上往下看也没问题，但是感觉不是很好，个人建议。
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