What And where is the use of shift operator?

Dear Sir,What is the use of shift Operator("<<",">>","<<<"),which API is using shift operator?please help me clear this question.
[164 byte] By [Deepak_TCSa] at [2007-11-27 8:49:09]
# 1
Why did you post this question in the JDBC forum?
cotton.ma at 2007-7-12 20:57:49 > top of Java-index,Database Connectivity,Java Database Connectivity (JDBC)...
# 2
> What is the use of shift Operator("<<",">>","<<<")It is cheaper than u-haul
aniseeda at 2007-7-12 20:57:49 > top of Java-index,Database Connectivity,Java Database Connectivity (JDBC)...