Difference among Jar,War,Ear

Difference among Jar,War and Ear ?

Jar (Java Archive):

• Jar contains a group of .class files. (usually compiled java code)

JAR File

War (Web Archive):

• War represent a single web application.
• War contains JSPs,Servlets,HTML files,css files,xml files etc.,.

WAR file

Ear (Enterprise Archive):

• Ear file represent a single enterprise application.
• Ear file contains anything from J2EE like WAR,RAR,EJB-JAR,JAR,EJBs,JMS etc.,.

EAR File

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