Can an object be called thread safe or not?

Question

Can an object be said to be thread-safe in Java if its class contains no instance variables that can be changed and no static variables?

+3

Prasad 05 May '15 at 18:07

1 answer

Jean Logeart · Answer 1 · 2015-05-05T18:09:01+0000

Completely safe as long as it doesn't extend a thread-independent class.

If an object is stateless, it can be shared safely by multiple threads.

This is why it is recommended to use immutable objects in a multithreaded environment, since their state cannot be changed at the same time.