Deployment without restarting the server

If we change java files,why we need to restart the server,I am using JBoss-2.2.1_Tomcat-3.2.1.Can we deploy the java file without restarting the server?Thanks in Advance

Yes we may
All u need to do is change
TOMCAT: %WEBSERVER_HOME%\conf\context.xml
JBOSS: %WEBSERVER_HOME%\server\default\deploy\jbossweb-tomcat55.sar\context.xml
file from
TOMCAT:
=======

<Context >
    
    <WatchedResource>WEB-INF/web.xml</WatchedResource>
    
    
</Context>To

<Context reloadable="true" >
    
    <WatchedResource>WEB-INF/web.xml</WatchedResource>
    
    
</Context>JBOSS :
======

<Context cookies="true" crossContext="true">
   
   <Manager pathname="" />
   
   <InstanceListener>org.jboss.web.tomcat.security.RunAsListener</InstanceListener>
</Context>to

<Context reloadable="true" cookies="true" crossContext="true">

   <Manager pathname="" />
   
   <InstanceListener>org.jboss.web.tomcat.security.RunAsListener</InstanceListener>
</Context>

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Moving content between SharePoint environments
Copy SharePoint production data to a test environment
Build a SharePoint 2010 Test/Development Farm
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Linda Li
Linda Li
TechNet Community Support
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Deployment without restarting the server

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