When and why would I use Java synchronization? [duplicate]

This question already has answers here: 开发者_如何学JAVA Closed 10 years ago.

Possible Duplicate:

What does 'synchronized' mean?

What is the purpose of Java synchronization, and how should I use it?

---

Java Tutorial: Synchronization. A generic answer to your generic question. Don't like it? Please elaborate a little. Cheers.

---

If you mean how to implement synchronization (as in Java), it is language dependent. Generally it can implemented using the OS level locks (as in semaphores, mutex etc)