1.what is the meaning of JVM ?
2.please explain about Reflection concisely.
3.please explain about web.xml
4.please explian about mainifest.mf
5.what technology are used in J2EE platfrom.please list and explain concisely.
6.please explain the relationship between classpath and package,and the relationship between them and java files.
7.what is the differense session Bean and Entity Bean ?
8.please write out the meaning of Aggregation and compesite within UML Relationship,and show their figares.