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Oracle 1Z0-900 問題練習

Java EE 7 Application Developer 試験

最新更新時間: 2019/05/10,合計26問。

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Question No : 1
You need to exchange large binary messages using chunks in a WebSocket application. Identify two ways in which you can receive partial messages. (Choose two.)

正解:
Explanation: https://abhirockzz.gitbooks.io/java-websocket-api-handbook/content/Receiving%20Messages.html

Question No : 2
Given the code fragment:



How are transactions managed?

正解:

Question No : 3
Which two approaches would result in the current date being added to the output of a JSP? (Choose two.)

正解:
Explanation: http://www.ntu.edu.sg/home/ehchua/programming/java/javaserverpages.html

Question No : 4
Which class do you use to handle an incoming JSON Message as a stream?

正解:
Explanation: https://docs.oracle.com/javaee/7/tutorial/jsonp002.htm

Question No : 5
Given the code fragment:



How can you apply DateConverter to the birthday field?

正解:

Question No : 6
Given the code fragments:



Which action completes this composite primary key implementation?

正解:

Question No : 7
Given the code fragment:



When the context root is requested http://host:port/context, how does the container resolve this mapping?

正解:

Question No : 8
When handling a JSF request, your application code decided to redirect the call to another URL by using HTTP redirect.
Which action should you take to correctly complete the handling of the JSF life cycle?

正解:

Question No : 9
Given the code fragments:



What code should you add to the body of the updateEmployee method in order to save pending changes to the database?

正解:

Question No : 10
Given:



If an exception is thrown inside the if block, what effect will it have on the transaction?

正解:

Question No : 11
Which URL represents an invalid approach to pass a parameter to a REST resource?

正解:

Question No : 12
Given:



What code needs to be added to line 1 for MyMapper bean instances to be correctly passivated?

正解:
Explanation: https://docs.oracle.com/javaee/6/tutorial/doc/giplj.html#gipln

Question No : 13
Given:



How often does the submitted task run?

正解:

Question No : 14
Given the code fragment:



And



Which two steps, when performed independently, enable the index.xhtml page to print the following text: The Id is 12345? (Choose two.)

正解:

Question No : 15
How do you specify a default error page in your web.xml file?

正解:
Explanation: http://www.codejava.net/java-ee/servlet/how-to-handle-error-in-web-xml-for-java-web-applications

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