what is the difference between tomcat and tomcatEE

 Tomcat is a Catalina container, or is a servlet container that support or execute the servlet and java server page (JSP) and it is light weight web-server most suitable to host small or simple applications.

TomcatEE - TomcatEE is a extended version of tomcat. which support full java EE features. it also includes additional  technologies like EJB(enterprise java beans), Java Transaction API JTA,CDI 

TomcatEE support microservices

this act as an application server where tomcat run as web server.

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