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JSP 面试题与答案

Test your skills through the online practice test: JSP Quiz Online Practice Test

问题 6. What are the Object and Class classes used for?

The Object class is the highest-level class in the Java class hierarchy. The Class class is used to represent the classes and interfaces that are loaded by a Java program.

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问题 7. How can a servlet refresh automatically if some new data has entered the database?

You can use a client-side Refresh or Server Push.

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问题 8. The code in a finally clause will never fail to execute, right?

Using System.exit(1); in try block will not allow finally code to execute.

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问题 9. How many JSP scripting elements are there and what are they?

There are three scripting language elements: declarations, scriptlets, expressions.

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问题 10. In the Servlet 2.4 specification SingleThreadModel has been deprecated, why?

Because it is not practical to have such model. Whether you set isThreadSafe to true or false, you should take care of concurrent client requests to the JSP page by synchronizing access to any shared objects defined at the page level.

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通过聚焦学习路径、模拟测试和面试实战内容持续提升技能。

JSP 面试题与答案

相关差异对比

相关差异对比

问题 6. What are the Object and Class classes used for?

问题 7. How can a servlet refresh automatically if some new data has entered the database?

问题 8. The code in a finally clause will never fail to execute, right?

问题 9. How many JSP scripting elements are there and what are they?

问题 10. In the Servlet 2.4 specification SingleThreadModel has been deprecated, why?

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