Java知识点检测
1 String,StringBuffer,StringBuilder区别
![屏幕快照 2020-05-23 下午7.12.04.png](https://upload-images.jianshu.io/upload_images/10622766-c94e7387676e6f71.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
2 下面代码创建了几个对象?
![屏幕快照 2020-05-23 下午7.18.11.png](https://upload-images.jianshu.io/upload_images/10622766-53b3c120071031b8.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
3 HashMap Hashtable区别
![屏幕快照 2020-05-23 下午9.28.14.png](https://upload-images.jianshu.io/upload_images/10622766-7aa8384eebdc803c.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
4 实现多线程的几种方式
![1.png](https://upload-images.jianshu.io/upload_images/10622766-aa6d8349ecbd1a03.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
5 synchronized ReentrantLock区别
![103242@1590383472@2.png](https://upload-images.jianshu.io/upload_images/10622766-3227b9bd5c5c0f55.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
6 tcp三次握手
![307364@1590337590@2.png](https://upload-images.jianshu.io/upload_images/10622766-bd3993e709a7bb5f.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
7 ArrayList LinkedList区别
![屏幕快照 2020-05-26 下午9.04.03.png](https://upload-images.jianshu.io/upload_images/10622766-3db3190ddb084d02.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
8 int Integer区别
![屏幕快照 2020-05-26 下午8.16.42.png](https://upload-images.jianshu.io/upload_images/10622766-3c0826b870cf16f4.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
9 Exception Error区别
![452241@1590332859@2.png](https://upload-images.jianshu.io/upload_images/10622766-c847922bac36c8a9.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
10 Session Cookie区别
![277409@1590337206@2.png](https://upload-images.jianshu.io/upload_images/10622766-ebb4c765c66e79b6.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
11SpringMVC流程
![屏幕快照 2020-05-27 下午11.04.48.png](https://upload-images.jianshu.io/upload_images/10622766-8c56da880396aa89.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
原文地址:https://www.cnblogs.com/hellosiyu/p/12982161.html