Java garbage collector [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarify开发者_运维百科ing this question so that it can be reopened, visit the help center. Closed 11 years ago.

How does Java garbage collector work and which algorithm is best which Java garbage collector use.Morevoer, In Java memory leaks happen or not?

---

How does Java garbage collector work and which algorithm is best which Java garbage collector use.

http://www.oracle.com/technetwork/java/javase/tech/index-jsp-136373.html

Morevoer, In Java memory leaks happen or not?

Yes, memory leaks can happen:

http://olex.openlogic.com/wazi/2009/how-to-fix-memory-leaks-in-java/