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职友集>Java面试题 > 外企Java工程师面试要点

外企Java工程师面试要点

2015-08-20 06:30:03 阅读( 32 )

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标签:Java面试题

Java Basic
Instanceof
“==” and equals()
Types of passing parameters
Runnable and Thread
String and StringBuffer
Collection, List, and Set. How to convert an array of objects to an collection?
Catch or throw an Exception?
Difference between Interface and Abstract Class? When will you use an Interface? And when Abstract Class?
What’s an inner class? How to implement an inner class?
Accessibility (public, protected, private and blank)
How many super classes can a class extend from? And how many interfaces can a class implement?

J2EE
EJB, JMS, JNDI, RMI

OOAD
UML diagrams
Model for an organization
RUP, Agile, XP

Persistence and Database
Do you know Hibernate? Will you explain it in detail?
How to map one-to-many relationship in Hibernate?
What’s Hibernate session?

Frameworks & Web Relative
What web layer frameworks do you use? Will you explain them in detail?
Do you do Spring? If you do, will you explain it? (advantage, disadvantage)
What’s Servlet Filter? How to implement a Filter? And how to config it?
How to config a Servlet to start automatically? (load-on-startup)
What’s JSP tags? What tags have you used?

Mis
Naming Conventions (Package, Class, Variables, methods, )
What’s good code? How do you make your code better? (code style, comments, etc.)

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