qq_44772414的博客

第一种演示jdk动态代理分别演示一下第二种是cglib的动态代理分别演示一下

首先展示，@controller @service 等注解的自定义这是@controller里面实际的内容package org.springframework.stereotype;import java.lang.annotation.Documented;import java.lang.annotation.ElementType;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPoli

1.Lambda表达式2.函数式接口3.方法引用与构造器引用4.Stream API5.接口中默认方法与静态方法6.新时间日期API7.其他新特性**它的好1.速度更快2.代码更少3.强大的StreamAPI4.便于并行5.最大化减少空指针异常Optional其中最为核心的为Lambda表达式与Stream API...

java的反射机制

/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package java.util;import java.util.function.BiConsumer;import java.util.function.BiFunction;imp

public class HashMap<K,V> extends AbstractMap<K,V> implements Map<K,V>, Cloneable, Serializable { private static final long serialVersionUID = 362498820763181265L; //序列化一个版本号 static final int DEFAULT_INITIAL_CAPACITY = 1 &lt.