Ivan questions

Ivan answers

• Refactor switch statement - using an object vs primitive data type
• Java volatile variables and synchonized getters
• Is it useful to have a dedicated object for a lock? [duplicate]
• Overwrite method in compiled library at run time
• Sharing data between threads in Java
• What does <T> before the return type of a method mean?
• Closing connection in HikariPool [duplicate]
• How intermediate and terminal stream methods works in this case
• Should multithreading be used in microservices?
• Does an object always see its latest internal state irrespective of thread?