1、int 与 Integer
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618103733379-1934361400.png)
2、String、StringBuffer、StringBuilder 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618103845255-1263055000.png)
3、对象的创建个数
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618103851732-895688635.png)
4、Exception 与 Error 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618103924362-1829557079.png)
5、throw 与 throws 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618104006476-482614960.png)
6、HashMap 与 Hashtable 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618104649622-198133919.png)
7、HashMap 的 put() 方法
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618113725564-852058702.png)
8、ArrayList 与 LinkList 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618114822313-437341780.png)
9、& 与 && 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618115303170-1585345951.png)
10、final修饰对象是否可变
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618115814347-98696384.png)
11、Servlet 生命周期
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618163816790-238050567.png)
12、转发与重定向
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618163541556-107264941.png)
13、Get 与 Post 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618163629077-230386805.png)
14、Session 与 Cookie 的区别
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618163723910-673761381.png)
15、TCP 三次握手
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618163853879-609397486.png)
16、MVC 设计思想
![](https://img2020.cnblogs.com/blog/2068293/202006/2068293-20200618164328007-731443971.png)
posted @
2020-06-18 16:44
光脚造轮子
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