Can i make Thread safe without using synchronised keyword in java

Hi all,
please tell me code and concept that we can make Thread safe without using synchronised keyword in java programming.
regards
Mohan kumar

There's a series of new features in Java 5.0 (JDK 1.5.0) to address things like concurrency.
See: http://java.sun.com/j2se/1.5.0/docs/guide/concurrency/overview.html
-Alexis

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