Unisys complete pen questions

Unisys seems that every time someone questions the pen to take advantage of the gap is the same subject on a note of it want to help mentees

oo:
1.What IS Virtual Method,?
2.What IS Polymorphism?
3.difference Overloading and the BETWEEN overriding
? 4.difference the BETWEEN abstract class and interface to use How to Decide Which One?

c ++:
1.difference the BETWEEN pointer and Reference
2.What does const Word Mean?

the .NET:
1.What are the Generic DESCRIBE Boxing and Unboxing of c #?
the BETWEEN ASP and ASP.NET 2.difference

Database:
1.advantage of the Stored Procedure
2.difference the BETWEEN the DataReader and the DataSet
3. write sql nested
student information form S (S #, SN, SD , SA) ( student number, student name, unit, age)
course information C (C #, CN) (course number, name)
Course information SC (S #, C #, G) ( student number, course number, results)
select elected student number of all classes, the name
select the election more than five or five of student number, age,
as well as a forget the - - in short understand the nest should be no problem, and also join the more important, do not confuse all kinds join on the line.

Java:
1. Comparison of three typical java.util package collection classes, the method including the use of capacity, performance.
2.exception error runtimeexception the relationship
between the various states 3.thread interconversion
4. DESCRIPTION Java serialization
5. JDOM optionally Sax or write a sample code read xml file
6. Annotation of use exemplified.

j2ee:
role in 1.web application web.xml file
2. Comparative forward and the redirect
3. interpretation JMS or the JMX
4. explain and illustrate how to use JNDI
5.EJB2, EJB3 main classification and characteristics
6. Use write a EJB or the Hibernate Transaction management

1 hour written examination after the interviewer will resume watching your answers and to ask more detailed questions, major projects and experiences are mentioned in your resume, you will for a certain word in-depth questions to see if you really the did so on their own resume before the interview to help prepare content is a good choice.

Reproduced in: https: //www.cnblogs.com/zhangchenliang/archive/2010/03/28/1699129.html

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Origin blog.csdn.net/weixin_33884611/article/details/93496015