Oracle认证专员(OCA),Java SE 7的认证学习指南(1Z0-803)

Oracle认证协理，Java SE 7的认证提供了一个理想的入门到应用程序开发或使用Java技术的软件项目管理职业。
EPractize提供该软件可用于Oracle的Java SE7的完整的学习材料（1Z1-803）考试来实现Oracle认证助理，Java SE 7的认证。

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Time effort for Oracle Certified Associate, Java SE 7 Programmer 1Z0-803

I have no previous knowledge in Java. My only programming skills is Oracle SQL (passed 1Z0-051 SQL Fundamentals I).
What's the time effort for passing Oracle Certified Associate, Java SE 7 Programmer 1Z0-803? From zero to exam? Hours?

gimbal2 wrote:
PhHein wrote:
A good read: http://norvig.com/21-days.html
A great read, bookmarked that. I like articles that slap you in the face with reason and valid arguments.WTF!? You didn't know that one? That is surprising.

SCJA and OCA SE7 (1z0-803) difference

Hi,
I am planning to take up OCA SE7 java certification. I am following SCJA Se 6 book as OCA SE 7 is yet to release. I would like to know topicwise what are the differences in these 2 exams, what are the topics which are nelwly added or excluded when compared to SCJA
I would also like to know if 'Threads' topic is there for 1z0-803 exam.
Thanks

HI,
963979
Threads topic is not in OCJA . It's in OCJP(Oracle Certified Java SE Professional 1ZO-804)
I would like you to go through this link. You will get all topics cleared about OCJA & OCJP
Programmer Level I Exam (The Java&trade; Tutorials &gt; Bonus &gt; Preparation for Java P…
Thanks!!

Expirence recommended for "1Z0-803 Oracle Certified Associate"

1Z0-803 Oracle Certified Associate, Java SE 7 Programmer

Hi, as the previous answer suggests there is no recommended experience required to pass this exam. I passed the 1Z0-803 after 3 months prep. I was new to Java though have prior C++ experience.
If you are able to read and understand all the tutorials at the below link you will probably be ready to take the exam.
http://docs.oracle.com/javase/tutorial/extra/certification/javase-7-programmer1.html
The only advice I'd have is to practice working through questions at faster than a leisurely pace because you need to get through all the questions to pass.
There are lots of study guides for Java 6 certification and they will all help you pass this exam. For this exam, have a look at :
http://docs.oracle.com/javase/7/docs/technotes/guides/language/enhancements.html#javase7
for the new features in Java 7 and you won't be caught out.
Edited by: Sridhar on 01-May-2012 02:05

1Z0-803 or 1Z0-850?

Hi,
I'm planning to take the Java Associate Programmer exam (and after that, the OCP for Java). I have 2 points of view, and i need an advice/recommendation. So:
1) Take 1Z0-850 (Oracle Certified Associate Java SE 5/SE 6, which covers topics such as Fundamental Object-Oriented Concepts, Java Implementation of Object-Oriented Concepts and so on, not covered in 1Z0-803), and then 1Z0-851 to become a Java SE 6 Certified Professional.
2) Take directly 1Z0-803 (Java SE 7 Associate), which does not cover topics such as the basics of OO and other introductory notions about the Java Language and the architecture, etc (as 1Z0-850), but contains just "techincal" topics (Working With Java Data Types, Arrays, etc).
Maybe if i opt for 2), i should already have knowledge of those introductory concepts about Java and OO? or it is not mandatory..
I think if i take first 1Z0-850, and then 1Z0-851 - Oracle Certified Professional, Java SE 6 Programmer, and then upgrading the certification to Java SE 7 Professional, i will pay much more ( than taking 1Z0-803 and finally 1Z0-804 to become an OCP (so just 2 exams)
So what do you recommend, option 1 or 2?
One more question: when i go to "Upgrade an existing certification", at http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=458&get_params=p_track_id:JSE7Prog#1 , i see that only "Professional" certifications can be upgraded (Any version Oracle Certified Professional, Java Programmer OR Any version Sun Certified Java Programmer); so Associate cannot be? e.g. upgrading from 1Z0-850 to 1Z0-803 (which i have mentioned above)
Edited by: Roger22 on 28.12.2012 01:06

IMHO For certifications in general:
(1) For most people, unless there are other factors, taking certification on the latest version would seem usually to be the sensible course. Factors against it might include for example if training, especially and mandatory training, for the earlier version was more accessible or cheaper.
(2)
- Typically for OCA's the difference between OCA(ver (x)) and OCA(ver (x-1)) will be one exam. On this basis there is no point for Oracle(or the candidate) in an upgrade exam, simply take the OCA(ver (x)) exam.
- IMHO It is also important for OCA's to focus on getting to OCP standard which should provide a fuller and more rounded view of the product; rather than concentrating on new features.
- (The typical example here would be 1z0-053 which concentrates a lot on backup ... would one want a DBA OCA focusing on exotic new features before he has demonstrated mastery of backup).
- For OCP to (ver (x)) from (OCP (ver (x-1)) via OCA would be 2 exams (twice the cost). An upgrade exam here is a single exam cost.
- The upgrade exam here allows Oracle to focus on OCP level candidates concentrating on the new features of the latest version, where their knowledge gap will be.
- (and also where Oracle needs to get this knowledge into the community).

OCA Java Programmer & OCP Java Prgrammer

Hi,
I saw in Oracle site that is is mandatory to get OCA(Associate) Java Programmer before the OCP(Professionnal) Java Prgrammer. but one of my friends is going to pass the OCP Java Prgrammer exam directly without going through the OCA.
Please i want to know if there is a possibility to get the OCP directly, for example for SE6 or SE7.
regards.

You friend can certainly take the exam *1Z0-804 Java SE 7 Programmer II* without having first taken *1Z0-803 Java SE 7 Programmer I*
He will find at that point that Oracle won't give him a certification until he goes back and passes the 1Z0-803 exam. There is a difference between passing an exam and becoming certified. To pass an exam, you schedule it at Pearson-VUE and answer enough questions correctly. Pearson will be happy to allow you to take any exam that you are willing to pay for.
To gain a certification, you have to complete all of the guidelines laid out on the Oracle Education website.

1z0-803 QUERY

Hello ,
I wish to take the OCA exam of Java SE7 1Z0-803 .
Can you tell me what books / material / test papers to follow please .
Is there any one who is / has attempted this exam ?
Thanks in advance.

926110 wrote:
I've been searching for a while now. Could not find anything specific to this exam. Someone please guide!http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=41&p_org_id=&lang=&p_exam_id=1Z0_803
http://certification.oracle.com - preparation and support - FAQs.
https://blogs.oracle.com/certification/entry/0695
https://blogs.oracle.com/certification/entry/0669

Requirements to become an Oracle certified Java application

Hi everyone,
I want to know any information on how to become an Oracle certified Java application for the company I work for.
Technologies involved are Java and Eclipse.
any information or contact you can provide will be highly appreciated.
Best regards,
Sebastian

My suggestion is:
Consider First:
1) The exam 1z0-051 which should demonstrate your SQL skills.
2) The exam 1z0-047 which should earn an SQL Certified Expert Certificate.
Beyond that you will need to become more familiar with PL/SQL and go towards a PL/SQL developer OCA then OCP
I believe the following thread is relevant 1Z0-146
Read the blogs/FAW at the top of the forum, and become familair with the oracle education certification pages.
You may also seek out some the the '2-day' training as well.
Hoep this helps.

OCA Java 7. Second Chance?

Hi,
I've subscribed to an OCA Java Programmer 7 on Pearson Vue, and i'd like to know if there is a possibility to modify my subscription in order to have a second chance if i fail in the Exam to retake the Exam.
best regards.

tmazight wrote:
Microsoft exams cost 50% cheaper than Oracle exams and with Microsoft you have the possibility to retake the exam by paying a little more...Well you're not forced to do it. If you must, I would wait until you find a willing employer to sponsor you, otherwise it is a total waste of money IMO.

I would like write Oracle OCA for PL/SQL developer.

Dear Experts,
I would like to take Oracle OCA test for PL/SQL Developer path. what is the exam code and syllabus.
Please guide me...
Thank you & Regards
Raju P

R@ju wrote:
Dear Experts,
I would like to take Oracle OCA test for PL/SQL Developer path. what is the exam code and syllabus.
Please guide me...
Thank you & Regards
Raju PVisit http://www.oracle.com/education/certification and a little browsing should find the information. I suggest 1z0-051 + 1z0-144 but there are alternatives.

Error starting Oracle BI Java Host service

Hi,
We are facing some issue while starting the Oracle BI Java Host service. It throws the following error.
This application was working properly till some 2 days back and suddenly it has started giving this error. We have not updated any software. The host machine is Win XP.
Sep 27, 2011 12:08:15 PM Main main
INFO: Javahost config file(s): C:\OracleBI\web\javahost\config\config.xml. Xpath:.
Sep 27, 2011 12:08:16 PM ApplicationImpl createEnvironment
INFO: Config environment properties:
presentation.coreconfigdir=C:\OracleBI\web\config
javahostdir=C:\OracleBI\web\javahost
rootdir=C:\OracleBI
presentation.dataconfigdir=C:\OracleBIData\web\config
presentation.rootdir=C:\OracleBI\web
tempdir=C:\OracleBIData\tmp
presentation.cordaroot=C:\OracleBI\Corda50
Sep 27, 2011 12:08:16 PM ApplicationImpl init
SEVERE: java.io.IOException: Unable to establish loopback connection
     at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:106)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:122)
     at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:27)
     at java.nio.channels.Pipe.open(Pipe.java:133)
     at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:104)
     at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:26)
     at com.siebel.analytics.javahost.Listener.<init>(Listener.java:53)
     at com.siebel.analytics.javahost.ApplicationImpl.init(ApplicationImpl.java:121)
     at com.siebel.analytics.javahost.standalone.Main.init(Main.java:127)
Caused by: java.net.SocketException: No buffer space available (maximum connections reached?): bind
     at sun.nio.ch.Net.bind(Native Method)
     at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:119)
     at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
     at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:52)
     at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:72)
     ... 9 more
Request some input to resolve this error.
Thanks in advance.

@Deepak,
Following are the log contents
Sep 27, 2011 12:08:15 PM Main main
INFO: Javahost config file(s): C:\OracleBI\web\javahost\config\config.xml. Xpath:.
Sep 27, 2011 12:08:16 PM ApplicationImpl createEnvironment
INFO: Config environment properties:
presentation.coreconfigdir=C:\OracleBI\web\config
javahostdir=C:\OracleBI\web\javahost
rootdir=C:\OracleBI
presentation.dataconfigdir=C:\OracleBIData\web\config
presentation.rootdir=C:\OracleBI\web
tempdir=C:\OracleBIData\tmp
presentation.cordaroot=C:\OracleBI\Corda50
Sep 27, 2011 12:08:16 PM ApplicationImpl init
SEVERE: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:106)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:122)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:27)
at java.nio.channels.Pipe.open(Pipe.java:133)
at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:104)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:26)
at com.siebel.analytics.javahost.Listener.<init>(Listener.java:53)
at com.siebel.analytics.javahost.ApplicationImpl.init(ApplicationImpl.java:121)
at com.siebel.analytics.javahost.standalone.Main.init(Main.java:127)
Caused by: java.net.SocketException: No buffer space available (maximum connections reached?): bind
at sun.nio.ch.Net.bind(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:119)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:52)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:72)
It also mentions about the buffer space....could that be a reason for this.
By the way, I forgot to mention, this deployment is in a VMWare (with XP as OS) which is hosted on Windows Server.

Need Expert Advice regarding oracle and java objects

In our project, we are submitting data for many screens at a time. Some screens will have a list of records to be submitted. There is also some hierarchy among the data up to 4 levels.
In such a scenario, we need to know the best way to exchange data between Oracle and Java. Currently java holds the data as objects, where each object may contain an array of next level of objects in it.
Is it best approach to pass the entire data with hierarchy to Oracle using nested table approach and internally oracle handling the data? Is there any other way to do this?
Also in some scenarios we need to pass the entire information for all the screens in one shot with the hierarchy. So we need to know a solution for that also. Could you please help us in this regard?

See Oracle JPublisher technique to map Oracle object types to Java ones:
http://download-west.oracle.com/docs/cd/B10501_01/java.920/a96658/toc.htm
Rgds

Oracle BI Java host not starting for Windows 7 64 bit

Hi,
I am struggling to start "Oracle BI Java host" on my Windows 7 64 bit machine. All other services - BI Server, Presentation Server and even OC4J works good.
BI Version: OBIEE 10g EE - 10.1.3.4.1
I have checked these places:
1. Environment variable: C:\Java\jdk\bin;
2. Instanceconfig.xml: *<JavaHome>C:\Java\jdk</JavaHome>*
3. Java verision: *6.0.230.5*
Can anyone help me to identify and solve this issues.
Thanks,
Yar.
Edited by: Yar on Mar 9, 2011 7:11 AM

Hi Yar,
You can try changing the Heap memory allocation parameter for Javahost at <OBI Install Directory>\instances\instance_Number\config\OPMN\opmn\opmn.xml file...
Search for -Xmx1024M and replace with -Xmx768M, save the file and Start the JavaHost, it should work.
Regards,
Kalyan
http://123obi.com

Can i use "Oracle Database 12c: Performance Management and Tuning " training for getting certification on "Oracle Database 11g: Performance Tuning 1Z0-054"

i have taken "Oracle Database 12c: Performance Management and Tuning new" training from oracle university. Now i would like to get certified on "Oracle Database 11g: Performance Tuning 1Z0-054" exam. Is it possible ?

I essentially endorse and refer you to Matthews' and John's post above.
I would differ with slightly with Matthew because my guess is you would often be able to use like for like 12c training for an 11g certification ( I believe there are precedents). BEFORE ANYONE ASKS THE OTHER WAY DOESN'T HAPPEN.
.... but totally concur with Matthew you would ill advised to procede on that basis without one of:
- This being advertised as possible on the website : e.g. https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=654&get_params=p_id:169 ... option 2 show courses.
- Confirmation from Brandye
- Confirmation from an Oracle Certification Support Web Ticket ( http://education.oracle.com/pls/eval-eddap-dcd/OU_SUPPORT_OCP.home?p_source=OCP )
... The more common (and in my opinion usually better) way would be get your 11g DBA OCP ( or higher first) and then take the 1z0-054. I am almost certain they will accept your 12c course for the 11g DBA OCP.
If you are choosing the route of not being a 11g (or 12c ) DBA OCP first but are on option 2 and relying on the course for certification then the issue is more in the balance and you are even more strongly advised to get confirmation before proceding (remember if the rules need to be changed for you only then any profit out of the exam is lost).
In general my understanding is Oracle would prefer to encourage people to train on the latest version of product that is available for training and will prefer to avoid restrictions which would cause you to train at a lower version. ( This is simply my guess at Oracle University Policy ... personal opinion only).
Having said all I have said I'd encourage you to go with the advice of the earlier two posts.

Oracle BPM Java API - getting informations about process activities

Hi
I have a problem with Oracle BPM Java API, can someone help me?
I have a business process project deployed in Oracle SOA Suite and I need to get some informations of my process programatically via Java API.
Basically I need to get informations about process activities and the corresponding human tasks referenced by these activities.
I'm able to get the HumanTasks of my Business Catalog and also to get the Activities of my Process, but the relationship between them is null.
I did some tests, below a piece of code of my test:
IBPMServiceClient bpmServiceClient = BPMConnectionUtil.getBPMServiceClient();
IProcessMetadataService processMetadataService = bpmServiceClient.getProcessMetadataService();
IProcessModelService processModelService = bpmServiceClient.getProcessModelService();
List<ProcessMetadataSummary> processMetadataSummaryList =
processMetadataService.listProcessMetadataSummary(BPMConnectionUtil.getBPMContext(), "processNameOrId to find", "processName", "ASC");
if (processMetadataSummaryList == null || processMetadataSummaryList.size() == 0)
return;
ProcessMetadataSummary processMetadataSummary = null;
for (ProcessMetadataSummary summary: processMetadataSummaryList) {
if (summary.isIsDefaultRevision()) {
processMetadataSummary = summary;
break;
if (processMetadataSummary == null)
processMetadataSummary = processMetadataSummaryList.get(0);
IProcessModelPackage pack = processModelService.getProcessModel(BPMConnectionUtil.getBPMContext(), processMetadataSummary.getCompositeDN(), processMetadataSummary.getProcessName());
oracle.bpm.project.model.processes.Process process = pack.getProcessModel();
Sequence<UserTask> activities = process.getActivities(UserTask.class);
for (UserTask activity: activities) {
System.out.println("Human Task: " +activity.getHumanTask()); // <<<<<<<<<<<<<<<<<<<<---------------------------- here is the problem. the human task is null, but my activity have a task associated
There is another way to get this information?
Thank's

Hi
I have a problem with Oracle BPM Java API, can someone help me?
I have a business process project deployed in Oracle SOA Suite and I need to get some informations of my process programatically via Java API.
Basically I need to get informations about process activities and the corresponding human tasks referenced by these activities.
I'm able to get the HumanTasks of my Business Catalog and also to get the Activities of my Process, but the relationship between them is null.
I did some tests, below a piece of code of my test:
IBPMServiceClient bpmServiceClient = BPMConnectionUtil.getBPMServiceClient();
IProcessMetadataService processMetadataService = bpmServiceClient.getProcessMetadataService();
IProcessModelService processModelService = bpmServiceClient.getProcessModelService();
List<ProcessMetadataSummary> processMetadataSummaryList =
processMetadataService.listProcessMetadataSummary(BPMConnectionUtil.getBPMContext(), "processNameOrId to find", "processName", "ASC");
if (processMetadataSummaryList == null || processMetadataSummaryList.size() == 0)
return;
ProcessMetadataSummary processMetadataSummary = null;
for (ProcessMetadataSummary summary: processMetadataSummaryList) {
if (summary.isIsDefaultRevision()) {
processMetadataSummary = summary;
break;
if (processMetadataSummary == null)
processMetadataSummary = processMetadataSummaryList.get(0);
IProcessModelPackage pack = processModelService.getProcessModel(BPMConnectionUtil.getBPMContext(), processMetadataSummary.getCompositeDN(), processMetadataSummary.getProcessName());
oracle.bpm.project.model.processes.Process process = pack.getProcessModel();
Sequence<UserTask> activities = process.getActivities(UserTask.class);
for (UserTask activity: activities) {
System.out.println("Human Task: " +activity.getHumanTask()); // <<<<<<<<<<<<<<<<<<<<---------------------------- here is the problem. the human task is null, but my activity have a task associated
There is another way to get this information?
Thank's

Oracle认证专员(OCA),Java SE 7的认证学习指南(1Z0-803)

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