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project背景:xiaoshuang.yi,20130514 1.spring+spring mvc+spring batch+mongodb 2.数据源连接池使用druid,阿里温少开发的,要在该项目中去了解掌握它。知道基本的原理大概。 3.要能深入理解mongodb,并最好了解其它类似的技术框架,如hadoop等。 4.spring batch在批处理方面的一个深入逻辑要去掌握 5.掌握spring mvc的处理流程以及核心。和struts2做一个参照对比 6.了解junit测试,以及spring-test的用法: @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = "classpath:applicationContext.xml") 7.增加google guava工具库 8.重写静态方法,得不到预期结果,因为: 重写指的是根据运行时对象的类型决定调用那个方法,而不是根据编译时的类型。 静态方法是在编译阶段使用了编译类型信息,进行静态绑定的。 9.Integer作为方法参数传递,不会改变参数的数值。 class Integer{ final int value; //一旦赋值,就不能改变。 } 10.测试 父类和子类的加载顺序:TestSubLoad 11. ||(短路或)和|(或)都是表示“或”,区别是||只要满足第一个条件,后面的条件就不再判断,而|要对所有的条件进行判断。 "&&" 操作如果第一个条件不满足 那么后面的条件就不用再判断了,而 &要对所有的条件都进行判断。 12.冒泡排序的优化:增加标识判断是否不需要排序交互位置,减少循环次数 13:使用 正则表达式进行空格分隔, str.split("\\s+"); 14.使用druid的连接池监控,了解怎么去实现 15.添加mysql建表脚本:201407/xxx.ddl 16.了解spring mvc,请求的处理逻辑,以及负责请求转发相关类 SimpleUrlHandlerMapping: 通过配置文件,把一个URL映射到Controller类上. DefaultAnnotationHandlerMapping:通过注解,把一个URL映射到Controller类上. 注意:是映射到类上. HandlerAdapter接口 -- 处理请求的映射 AnnotationMethodHandlerAdapter类,通过注解,把一个URL映射到Controller类的方法上 17.添加 netty 和 Rabbitmq 的测试类, 18.添加Redis的测试类,并且集成spring,使用jedis java客户端。 19.学习实现双向链表, 实现快速排序. 20.scanner接受键盘的输入 21.添加apollo的测试 22:学习disruptor框架,开源的 并发框架。
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