1.浅析Java中的final关键字: https://www.cnblogs.com/dolphin0520/p/3736238.html
2.Java中的static关键字解析: https://www.cnblogs.com/dolphin0520/p/3799052.html
3.探秘Java中String、StringBuilder以及StringBuffer: https://www.cnblogs.com/dolphin0520/p/3778589.html
4.Java内部类详解: https://www.cnblogs.com/dolphin0520/p/3811445.html