2020-09-11 Oppo java side

2020 0911

oppo java side

 

1. Project related;

2.Spring IOC；

3. Spring bean declaration is singleton or multiple instances by default. Is singleton safe? How to change to multiple cases?

4. How does Dubbo framework realize remote RPC;

5. Dubbo serialization method;

6. How does http access know what method of the provider is being called;

7. Common thread safety classes;

8. Precautions for database table building;