Java is 100% pure OOPS Language or not

Hi Everyone!
I want to know that Java is 100% pure OOPS Language or not??
If yes or no, then why?
Plz reply

Use the search window on the right side of this page. This absolutely meaningless question has been asked, and answered (argued about really) hundreds of times on this forum already.
@mods, please lock this thread.

Similar Messages

Java is 100% pure object oriented language or not?

PLS help me...?
I am get confussed.
Java is 100% pure object oriented language or not?

the only full OO programming language on thisplanet
is SmallTalk.On your planet maybe. On mine, at least Eiffel
also exists, probably more unknown others too. Some
count Ruby, but I never looked at it.Ruby is pure OO too, FYI.
the only full OO programming language on thisplanet
is SmallTalk.Care to explain it in some more detail? What
exactly is 100% OO, b.t.w.?No, I don't careWow, what an incredibly unhelpful response.
In essence, 100% OO implies that every type within the language is an object. Since Java has primitive types like int, boolean, float etc, it cannot count as 100% OO.

Java is pure object oriented programing language or not why?

please clear
java is pure object oriented programing language or not why?

And there is some concepts of object orientation that
Java not implements like: Operator
Overloading and Multiple Heritage. But, i think
that we can live without those features.
And the sucess of Java is a proof of this.I don't believe that operator overloading and multiple inheritance are required aspects of object programming.

Is java 100% pure object oriented?

I am very confuse is java 100% pure object oriented language.
bcoz
1)object oriented means everything should be in object but
primitive data type is not object.
2) java don't support multiple inheritances which is one of the oop 's
concept

I'd say that java is 100% java. No more, noless.
I'm gonna say it's about 99.4738383% java. For
no
reason other than to confuse idiotsSomeone's always bumping their heads against
some
arbitrary theoretical purity when they aremissing
what was, is and always has been most important:
functionality.Functionality matters virtually nothing to thepeople
that post these "questions". All that matters is
being able to say the right thing in interviews so
they can get a job and get carried through their
career by people who actually know what they're
doing. See it all the timeHehe, who carries you whilst you post here all day
:P
Ant builds, mostly :p

100 % Pure Java Certification !!!

I have a product developed in Java 2. The product is developed entirely in Java and is platform independent. I want to go in for the 100 % Pure Java Certification from Sun Microsystems. Can someone let me know how to go about getting this certification.
Thanks a lot in advance.
chet888

Hi, here is something that I have found very useful..
http://cramsession.brainbuzz.com/cramsession/sun/java2
Let me know if you need any more information..Hi Geetanjali,
Well your site does not mention anything about product certification, it only talks about Sun Certification of Progammers. If you have any idea about product certification, please let me know asap.

100% pure Java

Does Sun have to formally authenticate one's code as 100% pure Java or is this purely an informal tag that the developer uses to show people it will run on any platform.
Ta

Its not possible to write a 100% pure usfull java project (meaning a project with
some form of input or output), but the code is not system dependent. what? Java was written to provides cross platform compatitable. ou can write useful application that is 100% pure Java and is not System dependant.
look at the Java API...it's prett abstract from the operating system. Of course, thee are libraries (3rd party) that aimed at a specific OS (such as Jakarta POI library)

100% Pure Java Program

I have seen that the 100% Pure Java Program has "completed the Sun End of Life process and it is no longer supported by Sun" (see http://java.sun.com/100percent/).
Can anyone explain to me why is this, and what alternatives do we have now to be Java Certified (if any)?
Thanks.

It's disturbing but probably not end of the world.
I like this:
"Any use of product on this page is at the sole discretion of the developer and Sun assumes no responsiblity for any resulting problems."
Do they mean that jdk 1.4 is bugless and they are resposible for any problems if something happens?
I do not think so.

What is unique in ABAP which is not in other oops languages?

What is unique in ABAP which is not in other oops languages?

Dont get confused here.
Variant name is not which you are pasing to the program.
You enter some values inside the variant and you specify the program to take the input from the variant.
Suppose you have to pass 10 parameters to a program.
user1 creates a variant " hello1" which contains his own selection for the 10 values
user2 creates another variant "hello2" which contain his own set of selecion values.
When we use this program in PC, you can use the variant user1 or user2 as per our requirement.
please check if you are giving variant as input or the proc value.
Hope this helps,
Sri....

Where is the "100% Pure Java Check" ?

Dear friends,
few years ago we had a very popular application called 100% Pure Java Checker.. a tool used to verify the portabiliy of Swing Programs...
is there something similar nowadays ?
where ?

JavaPureCheck has completed the Sun EOL process and is no longer supported.

Is Eclipse a 100% pure Java program?

Is Eclipse a 100% pure Java program?

Eclipse runs on linux, windows, MAc OS X and I think a few others. It has native widgets via SWT for those platforms using the native OS Look and Feel. It is smoother than Swing in most ways, yet Swing does have some advantages as well. SWT is a nice kit. It would be nice if the Swing Team took the idea of building a cross platform native GUI kit into the AWT/Swing layer so that Swing was even faster. I think Swing and SWT are great, only I wish Swing had provided what SWT does (in some ways) so that Swing would have been used and SWT never written. It's a shame, but then again, perhaps it promotes the Swing Team to make Swing better/faster.
Look at Swing on Mac OS X, it is very nice, looks like native OS (because Apple wrote their own L&F for Mac OS X Only), but it is faster than Swing on Windows/Linux.

IS Java Is puer Object Oriented Language

Pls I don't agree that java is puer OO.
This is the example..
I have 2 classes
class One {
public void main( Strin...) {
Two t = t new Two();
t.print();
class Two {
public void print ( ) {
S.o.p(" Not a object Oriented");
Now if i compil the both the class ane run the
first classs java One
it prints the msg... is fine
buu now i change the access modifier of the class Tow of the method print() and private ..
and compile the class Two not the One...
then i run the class One..
still it prints the msg..
It does't give any error... untile i recompile the one.java with the Two.class the it says print() can not be accsed..
can u say now it violate.. the OOPs concept..

You have discovered a part of Java that when you think OO does not do what you would expect. The system itself does not act in an OO way, but this does not mean that the language is not. It may not yet be Component friendly in a way that allows you to write components and then dynamically deploy them while thinking of the deployed components as objects that are instances of the component ?class?.
It took me a long time to accept that every single person has a different concept of what OO means. I had someone at Sun (during an interview) tell me that for pure OO an accessor or mutater should do nothing more than return a member or replace the value of that member with the exact value in the parameter. (Needless to say I didn't want or receive that position although I still wouldn?t mind working for Sun :)
I always thought that a ~pure~ OO language had to be completely type safe. (or as close as you can get) There could be no run time type errors. Well, this counts out not only Java, but also Smalltalk.
I am also of the opinion that there should be no "base types" (no mater how they are handled under the covers) C# does this nicely.
Then there is Parametric Polymorphism, which can be done nicely by generic typing and will be available in Java soon. This addition to a language is invaluable in allowing the developer to think in an OO way.
Invariants are another language feature that some would require for OO.
The point is that everyone has a different set of opinions about all of these things. I am absolutely certain that my opinions are the correct ones, as is anyone who is passionate about OO.
In my opinion Generics and Accretions have really made Java come of age. It is finally a language that I will think of as OO enoug.
Hopefully some day we will also get asynchronous methods (instead of threads) a better defined contract specification, and do away (at least on the surface) with base types. Then it would be a real OO system.
Wait, wait, we could add orthogonal persistence, or at least a typed persistence. We could outlaw public member feilds, We could fix the typeing issues with interfaces, we could...
sigh At least Java is moving forward. It may be dog slow, but as someone recently told me, there are actualy people out there building real systems with Java and they need it to move slow enough to get their work done, so they can make money, so they can pay people to develop.
You got to make sure that while you are reaching for that pie in the sky, it doesn't fall on your face. But then I like a bit of slapstick.

Java.sql.SQLDataException: ORA-01882: timezone region not found

i am new in jdeveloper 11g.i using jdeveloper 11g version. Studio Edition Version 11.1.1.0.0 Build JDEVADF_MAIN.BOXER_GENERIC_081002.2127.5156 Studio Edition Version 11.1.1.0.0
Firefox3 - 3.0.3 os : fedora 9 -- Linux myname 2.6.25-14.fc9.i686 #1 SMP Thu May 1 06:28:41 EDT 2008 i686 i686 i386 GNU/Linux
java version : usr/java/jdk1.6.0_06
following running default server log
==============================
[48] BC4J Property AppModuleJndiName='sc.wadia.model.AppModule' -->(SessionImpl) from Client Environment
[49] Skipping empty Property java.naming.security.principal from System Default
[50] Skipping empty Property java.naming.security.credentials from System Default
[51] Skipping empty Property jbo.user.principal from System Default
[52] BC4J Property jbo.simulate.remote='false' -->(SessionImpl) from System Default
[53] BC4J Property jbo.security.context='oracle.security.jazn' -->(MetaObjectManager) from System Default
[54] Skipping empty Property jbo.object.marshaller from System Default
[55] BC4J Property jbo.use.pers.coll='false' -->(SessionImpl) from System Default
[56] BC4J Property jbo.pers.max.rows.per.node='70' -->(SessionImpl) from System Default
[57] BC4J Property jbo.pers.max.active.nodes='30' -->(SessionImpl) from System Default
[58] BC4J Property jbo.validation.threshold='10' -->(SessionImpl) from System Default
[59] Skipping empty Property jbo.pcoll.mgr from System Default
[60] BC4J Property jbo.txn_table_name='PS_TXN' -->(SessionImpl) from System Default
[61] BC4J Property jbo.txn_seq_name='PS_TXN_seq' -->(SessionImpl) from System Default
[62] BC4J Property jbo.txn_seq_inc='50' -->(SessionImpl) from System Default
[63] BC4J Property jbo.control_table_name='PCOLL_CONTROL' -->(MetaObjectManager) from System Default
[64] BC4J Property jbo.stringmanager.factory.class='use_default' -->(SessionImpl) from System Default
[65] BC4J Property jbo.domain.date.suppress_zero_time='true' -->(MetaObjectManager) from System Default
[66] BC4J Property jbo.domain.bind_sql_date='true' -->(MetaObjectManager) from System Default
[67] BC4J Property jbo.domain.string.as.bytes.for.raw='false' -->(MetaObjectManager) from System Default
[68] BC4J Property jbo.fetch.mode='AS.NEEDED' -->(MetaObjectManager) from System Default
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[70] BC4J Property jbo.903.compatible='false' -->(MetaObjectManager) from System Default
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[72] BC4J Property MetaObjectContextFactory='oracle.jbo.mom.xml.DefaultMomContextFactory' -->(MetaObjectManager) from System Default
[73] BC4J Property jbo.load.components.lazily='false' -->(MetaObjectManager) from System Default
[74] BC4J Property MetaObjectContext='oracle.jbo.mom.xml.XMLContextImpl' -->(MetaObjectManager) from System Default
[75] BC4J Property java.naming.factory.initial='oracle.jbo.common.JboInitialContextFactory' -->(SessionImpl) from Client Environment
[76] BC4J Property IsLazyLoadingTrue='true' -->(MetaObjectManager) from /oracle/jbo/server/jboserver.properties resource
[77] BC4J Property oracle.jbo.usemds='true' -->(MetaObjectManager) from System Default
[78] BC4J Property oracle.adfm.usemds='true' -->(MetaObjectManager) from System Default
[79] BC4J Property ActivateSharedDataHandle='false' -->(MetaObjectManager) from System Default
[80] Skipping empty Property HandleName from System Default
[81] Skipping empty Property Factory-Substitution-List from System Default
[82] BC4J Property jbo.project='sc.wadia.model.Model' -->(Configuration) from Client Environment
[83] BC4J Property jbo.max.cursors='50' -->(MetaObjectManager) from System Default
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[88] BC4J Property jbo.rowid_am_conn_name='ROWIDAM_DB' -->(MetaObjectManager) from System Default
[89] WARNING: Property jbo.ampool.writecookietoclientset to null
[90] Skipping empty Property jbo.ampool.writecookietoclient from null
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[123] BC4J Property jbo.saveforlater='false' -->(SessionImpl) from System Default
[124] BC4J Property jbo.snapshotstore.undo='persistent' -->(SessionImpl) from System Default
[125] BC4J Property jbo.maxpassivationstacksize='10' -->(SessionImpl) from System Default
[126] BC4J Property jbo.txn.handleafterpostexc='false' -->(SessionImpl) from System Default
[127] BC4J Property jbo.connectfailover='true' -->(SessionImpl) from System Default
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[132] BC4J Property jbo.maxpoolsize='4096' -->(MetaObjectManager) from System Default
[133] BC4J Property jbo.initpoolsize='0' -->(MetaObjectManager) from System Default
[134] BC4J Property jbo.poolrequesttimeout='30000' -->(MetaObjectManager) from System Default
[135] BC4J Property jbo.poolmonitorsleepinterval='600000' -->(MetaObjectManager) from System Default
[136] BC4J Property jbo.poolminavailablesize='5' -->(MetaObjectManager) from System Default
[137] BC4J Property jbo.poolmaxavailablesize='25' -->(MetaObjectManager) from System Default
[138] BC4J Property jbo.poolmaxinactiveage='600000' -->(MetaObjectManager) from System Default
[139] BC4J Property jbo.pooltimetolive='-1' -->(MetaObjectManager) from System Default
[140] BC4J Property RELEASE_MODE='Stateful' -->(MetaObjectManager) from System Default
[141] BC4J Property jbo.assoc.consistent='true' -->(MetaObjectManager) from System Default
[142] BC4J Property jbo.viewlink.consistent='DEFAULT' -->(MetaObjectManager) from System Default
[143] BC4J Property jbo.passivation.TrackInsert='true' -->(MetaObjectManager) from System Default
[144] Skipping empty Property jbo.ViewCriteriaAdapter from System Default
[145] BC4J Property jbo.SQLBuilder='Oracle' -->(MetaObjectManager) from /oracle/jbo/server/jboserver.properties resource
[146] BC4J Property jbo.ConnectionPoolManager='oracle.jbo.server.ConnectionPoolManagerImpl' -->(MetaObjectManager) from System Default
[147] BC4J Property jbo.TypeMapEntries='Oracle' -->(MetaObjectManager) from /oracle/jbo/server/jboserver.properties resource
[148] Skipping empty Property jbo.sql92.JdbcDriverClass from System Default
[149] BC4J Property jbo.sql92.LockTrailer='FOR UPDATE' -->(MetaObjectManager) from System Default
[150] BC4J Property jbo.jdbc.trace='false' -->(MetaObjectManager) from System Default
[151] BC4J Property jbo.abstract.base.check='true' -->(MetaObjectManager) from System Default
[152] BC4J Property jbo.assoc.where.early.set='false' -->(MetaObjectManager) from System Default
[153] BC4J Property jbo.sql92.DbTimeQuery='select sysdate from dual' -->(MetaObjectManager) from System Default
[154] BC4J Property oracle.jbo.defineColumnLength='skipDefines' -->(MetaObjectManager) from System Default
[155] BC4J Property jbo.jdbc_bytes_conversion='jdbc' -->(MetaObjectManager) from System Default
[156] Skipping empty Property jbo.tmpdir from System Default
[157] Skipping empty Property jbo.server.internal_connection from System Default
[158] BC4J Property SessionClass='oracle.jbo.server.SessionImpl' -->(SessionImpl) from System Default
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[162] BC4J Property jbo.debugoutput='console' -->(Diagnostic) from System Property
[163] BC4J Property jbo.debug.prefix='DBG: ' -->(Diagnostic) from /oracle/jbo/common/Diagnostic.properties resource
[164] BC4J Property jbo.logging.show.timing='false' -->(Diagnostic) from /oracle/jbo/common/Diagnostic.properties resource
[165] BC4J Property jbo.logging.show.function='false' -->(Diagnostic) from /oracle/jbo/common/Diagnostic.properties resource
[166] BC4J Property jbo.logging.show.level='false' -->(Diagnostic) from /oracle/jbo/common/Diagnostic.properties resource
[167] BC4J Property jbo.logging.show.linecount='true' -->(Diagnostic) from /oracle/jbo/common/Diagnostic.properties resource
[168] BC4J Property jbo.logging.trace.threshold='6' -->(Diagnostic) from /oracle/jbo/common/Diagnostic.properties resource
[169] BC4J Property jbo.jdbc.driver.verbose='false' -->(Diagnostic) from System Default
[170] BC4J Property oracle.home='/u01/app/oracle/middleware/jdeveloper' -->(Diagnostic) from System Property
[171] Skipping empty Property oc4j.name from System Default
[172] BC4J Property jbo.ejb.txntimeout='1830' -->(SessionImpl) from System Default
[173] BC4J Property jbo.ejb.txntype='local' -->(SessionImpl) from System Default
[174] BC4J Property jbo.ejb.txn.disconnect_on_completion='false' -->(SessionImpl) from System Default
[175] BC4J Property jbo.ejb.useampool='false' -->(SessionImpl) from Client Environment
[176] Skipping empty Property oracle.jbo.schema from System Default
[177] BC4J Property jbo.xml.validation='false' -->(MetaObjectManager) from System Default
[178] BC4J Property ord.RetrievePath='ordDeliverMedia' -->(MetaObjectManager) from System Default
[179] BC4J Property ord.HttpMaxMemory='102400' -->(MetaObjectManager) from System Default
[180] Skipping empty Property ord.HttpTempDir from System Default
[181] BC4J Property ord.wmp.classid='clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95' -->(MetaObjectManager) from System Default
[182] BC4J Property ord.qp.classid='clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B' -->(MetaObjectManager) from System Default
[183] BC4J Property ord.rp.classid='clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA' -->(MetaObjectManager) from System Default
[184] BC4J Property ord.wmp.codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701' -->(MetaObjectManager) from System Default
[185] BC4J Property ord.qp.codebase='http://www.apple.com/qtactivex/qtplugin.cab' -->(MetaObjectManager) from System Default
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[187] BC4J Property ord.wmp.plugins.page='http://www.microsoft.com/isapi/redir.dll?prd=windows&sbp=mediaplayer&ar=Media&sba=Plugin&' -->(MetaObjectManager) from System Default
[188] BC4J Property ord.qp.plugins.page='http://www.apple.com/quicktime/download/' -->(MetaObjectManager) from System Default
[189] BC4J Property ord.rp.plugins.page='http://www.real.com/player/' -->(MetaObjectManager) from System Default
[190] BC4J Property jbo.security.enforce='None' -->(SessionImpl) from System Default
[191] BC4J Property jbo.security.loginmodule='oracle.security.jazn.oc4j.JAZNUserManager' -->(SessionImpl) from System Default
[192] Skipping empty Property jbo.security.config from System Default
[193] BC4J Property jbo.server.useNullDbTransaction='false' -->(SessionImpl) from System Default
[194] BC4J Property jbo.domain.reopenblobstream='false' -->(MetaObjectManager) from System Default
[195] BC4J Property jbo.server.retainAssocAccessor='false' -->(SessionImpl) from System Default
[196] BC4J Property oracle.adfm.DefaultEventPolicy='NONE' -->(MetaObjectManager) from System Default
[197] Copying unknown Client property (DBconnection='jdbc:oracle:thin:@localhost:1521:DB10G') to session
[198] Copying unknown Client property (jbo.timezone='+05:30') to session
[199] Copying unknown Client property (password='*****') to session
[200] Copying unknown Client property (JDBCName='wadia') to session
[201] Copying unknown Client property (jbo.jndi.use_default_context='true') to session
[202] Copying unknown Client property (user='wadia') to session
[203] Copying unknown Client property (name='AppModuleLocal') to session
[204] Copying unknown Client property (jbo.applicationmoduleclassname='sc.wadia.model.AppModule') to session
[205] Copying unknown Client property (java.naming.factory.url.pkgs='weblogic.jndi.factories:weblogic.corba.j2ee.naming.url:weblogic.jndi.factories:weblogic.corba.j2ee.naming.url') to session
[206] Copying unknown Client property (ApplicationName='sc.wadia.model.AppModule') to session
[207] WARNING: Unused property: java.vm.version='10.0-b22' found in System Property
[208] WARNING: Unused property: java.vendor.url='http://java.sun.com/' found in System Property
[209] WARNING: Unused property: oracle.dms.context='OFF' found in System Property
[210] WARNING: Unused property: weblogic.Name='DefaultServer' found in System Property
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[217] WARNING: Unused property: http.proxyPort='3128' found in System Property
[218] WARNING: Unused property: weblogic.webservice.client.proxyusername='myname' found in System Property
[219] WARNING: Unused property: proxyPort='3128' found in System Property
[220] WARNING: Unused property: java.vm.vendor='Sun Microsystems Inc.' found in System Property
[221] WARNING: Unused property: java.class.path=':/u01/app/oracle/middleware/patch_wls1030/profiles/default/sys_manifest_classpath/weblogic_patch.jar:/u01/app/oracle/middleware/patch_jdev1111/profiles/default/sys_manifest_classpath/weblogic_patch.jar:/u01/app/oracle/middleware/patch_cie660/profiles/default/sys_manifest_classpath/weblogic_patch.jar:/usr/java/jdk1.6.0_06/lib/tools.jar:/u01/app/oracle/middleware/wlserver_10.3/server/lib/weblogic_sp.jar:/u01/app/oracle/middleware/wlserver_10.3/server/lib/weblogic.jar:/u01/app/oracle/middleware/modules/features/weblogic.server.modules_10.3.0.0.jar:/u01/app/oracle/middleware/wlserver_10.3/server/lib/webservices.jar:/u01/app/oracle/middleware/modules/org.apache.ant_1.6.5/lib/ant-all.jar:/u01/app/oracle/middleware/modules/net.sf.antcontrib_1.0.0.0_1-0b2/lib/ant-contrib.jar:/u01/app/oracle/middleware/jdeveloper/modules/features/adf.share_11.1.1.jar::/u01/app/oracle/middleware/wlserver_10.3/common/eval/pointbase/lib/pbclient57.jar:/u01/app/oracle/middleware/wlserver_10.3/server/lib/xqrl.jar::' found in System Property
[222] WARNING: Unused property: weblogic.webservice.client.proxypassword='safari' found in System Property
[223] WARNING: Unused property: os.arch='i386' found in System Property
[224] WARNING: Unused property: java.protocol.handler.pkgs='oracle.mds.net.protocol|weblogic.net|weblogic.utils|weblogic.utils|weblogic.utils' found in System Property
[225] WARNING: Unused property: user.name='myname' found in System Property
[226] WARNING: Unused property: sun.boot.class.path='/usr/java/jdk1.6.0_06/jre/lib/resources.jar:/usr/java/jdk1.6.0_06/jre/lib/rt.jar:/usr/java/jdk1.6.0_06/jre/lib/sunrsasign.jar:/usr/java/jdk1.6.0_06/jre/lib/jsse.jar:/usr/java/jdk1.6.0_06/jre/lib/jce.jar:/usr/java/jdk1.6.0_06/jre/lib/charsets.jar:/usr/java/jdk1.6.0_06/jre/classes' found in System Property
[227] WARNING: Unused property: org.xml.sax.driver='weblogic.xml.jaxp.RegistryXMLReader' found in System Property
[228] WARNING: Unused property: sun.cpu.endian='little' found in System Property
[229] WARNING: Unused property: java.endorsed.dirs='/usr/java/jdk1.6.0_06/jre/lib/endorsed' found in System Property
[230] WARNING: Unused property: vde.home='/home/myname/.jdeveloper/system11.1.1.0.31.51.56/DefaultDomain/servers/DefaultServer/data/ldap' found in System Property
[231] WARNING: Unused property: com.sun.xml.ws.api.streaming.XMLStreamWriterFactory.woodstox='true' found in System Property
[232] WARNING: Unused property: domain.home='/home/myname/.jdeveloper/system11.1.1.0.31.51.56/DefaultDomain' found in System Property
[233] WARNING: Unused property: wlw.logErrorsToConsole='' found in System Property
[234] WARNING: Unused property: https.proxyHost='192.147.1.129' found in System Property
[235] WARNING: Unused property: https.proxyPort='3128' found in System Property
[236] WARNING: Unused property: wlw.testConsole='' found in System Property
[237] WARNING: Unused property: java.specification.vendor='Sun Microsystems Inc.' found in System Property
[238] WARNING: Unused property: javax.xml.rpc.ServiceFactory='weblogic.webservice.core.rpc.ServiceFactoryImpl' found in System Property
[239] WARNING: Unused property: oracle.core.ojdl.logging.componentId='DefaultServer' found in System Property
[240] WARNING: Unused property: user.timezone='GMT+05:30' found in System Property
[241] WARNING: Unused property: os.name='Linux' found in System Property
[242] WARNING: Unused property: java.ext.dirs='/usr/java/jdk1.6.0_06/jre/lib/ext:/usr/java/packages/lib/ext' found in System Property
[243] WARNING: Unused property: sun.arch.data.model='32' found in System Property
[244] WARNING: Unused property: os.version='2.6.25-14.fc9.i686' found in System Property
[245] WARNING: Unused property: java.specification.name='Java Platform API Specification' found in System Property
[246] WARNING: Unused property: java.vendor='Sun Microsystems Inc.' found in System Property
[247] WARNING: Unused property: http.proxyHost='192.147.1.129' found in System Property
[248] WARNING: Unused property: java.naming.factory.url.pkgs='weblogic.jndi.factories:weblogic.corba.j2ee.naming.url:weblogic.jndi.factories:weblogic.corba.j2ee.naming.url' found in System Property
[249] WARNING: Unused property: javax.xml.soap.MessageFactory='weblogic.webservice.core.soap.MessageFactoryImpl' found in System Property
[250] WARNING: Unused property: sun.jnu.encoding='UTF-8' found in System Property
[251] WARNING: Unused property: java.vm.info='mixed mode, sharing' found in System Property
[252] WARNING: Unused property: user.dir='/home/myname/.jdeveloper/system11.1.1.0.31.51.56/DefaultDomain' found in System Property
[253] WARNING: Unused property: sun.cpu.isalist='' found in System Property
[254] WARNING: Unused property: java.awt.graphicsenv='sun.awt.X11GraphicsEnvironment' found in System Property
[255] WARNING: Unused property: sun.os.patch.level='unknown' found in System Property
[256] WARNING: Unused property: org.omg.CORBA.ORBSingletonClass='weblogic.corba.orb.ORB' found in System Property
[257] WARNING: Unused property: java.io.tmpdir='/tmp' found in System Property
[258] WARNING: Unused property: user.home='/home/myname' found in System Property
[259] WARNING: Unused property: oracle.security.jps.config='/home/myname/.jdeveloper/system11.1.1.0.31.51.56/DefaultDomain/config/oracle/jps-config.xml' found in System Property
[260] WARNING: Unused property: java.version='1.6.0_06' found in System Property
[261] WARNING: Unused property: file.encoding.pkg='sun.io' found in System Property
[262] WARNING: Unused property: weblogic.management.discover='true' found in System Property
[263] WARNING: Unused property: javax.rmi.CORBA.PortableRemoteObjectClass='weblogic.iiop.PortableRemoteObjectDelegateImpl' found in System Property
[264] WARNING: Unused property: platform.home='/u01/app/oracle/middleware/wlserver_10.3' found in System Property
[265] WARNING: Unused property: file.encoding='UTF-8' found in System Property
[266] WARNING: Unused property: java.vm.specification.vendor='Sun Microsystems Inc.' found in System Property
[267] WARNING: Unused property: org.omg.CORBA.ORBClass='weblogic.corba.orb.ORB' found in System Property
[268] WARNING: Unused property: java.security.policy='/u01/app/oracle/middleware/wlserver_10.3/server/lib/weblogic.policy' found in System Property
[269] WARNING: Unused property: sun.io.unicode.encoding='UnicodeLittle' found in System Property
[270] WARNING: Unused property: user.language='en' found in System Property
[271] WARNING: Unused property: java.runtime.version='1.6.0_06-b02' found in System Property
[272] WARNING: Unused property: jbo.34010='false' found in System Property
[273] WARNING: Unused property: weblogic.classloader.preprocessor='weblogic.diagnostics.instrumentation.DiagnosticClassPreProcessor' found in System Property
[274] WARNING: Unused property: weblogic.home='/u01/app/oracle/middleware/wlserver_10.3/server' found in System Property
[275] WARNING: Unused property: proxySet='true' found in System Property
[276] WARNING: Unused property: sun.boot.library.path='/usr/java/jdk1.6.0_06/jre/lib/i386' found in System Property
[277] WARNING: Unused property: java.vm.name='Java HotSpot(TM) Client VM' found in System Property
[278] WARNING: Unused property: java.home='/usr/java/jdk1.6.0_06/jre' found in System Property
[279] WARNING: Unused property: weblogic.ext.dirs='/u01/app/oracle/middleware/patch_wls1030/profiles/default/sysext_manifest_classpath:/u01/app/oracle/middleware/patch_jdev1111/profiles/default/sysext_manifest_classpath:/u01/app/oracle/middleware/patch_cie660/profiles/default/sysext_manifest_classpath' found in System Property
[280] WARNING: Unused property: https.nonProxyHosts='' found in System Property
[281] WARNING: Unused property: sun.management.compiler='HotSpot Client Compiler' found in System Property
[282] WARNING: Unused property: java.runtime.name='Java(TM) SE Runtime Environment' found in System Property
[283] WARNING: Unused property: java.library.path='/usr/java/jdk1.6.0_06/jre/lib/i386/client:/usr/java/jdk1.6.0_06/jre/lib/i386:/usr/java/jdk1.6.0_06/jre/../lib/i386::/usr/java/jdk1.6.0_06/jre/lib/i386/client:/usr/java/jdk1.6.0_06/jre/lib/i386:/usr/java/jdk1.6.0_06/jre/../lib/i386:/u01/app/oracle/product/10.2.0/db_1/lib:/lib:/usr/lib:/u01/app/oracle/middleware/wlserver_10.3/server/native/linux/i686:/u01/app/oracle/middleware/wlserver_10.3/server/native/linux/i686/oci920_8:/usr/java/packages/lib/i386:/lib:/usr/lib' found in System Property
[284] WARNING: Unused property: file.separator='/' found in System Property
[285] WARNING: Unused property: java.vm.specification.version='1.0' found in System Property
[286] WARNING: Unused property: oracle.core.ojdl.logging.applicationcontextprovider='oracle.core.ojdl.weblogic.ApplicationContextImpl' found in System Property
[287] WARNING: Unused property: proxyHost='192.147.1.129' found in System Property
[288] WARNING: Unused property: sun.java.launcher='SUN_STANDARD' found in System Property
[289] WARNING: Unused property: http.nonProxyHosts='' found in System Property
[290] WARNING: Unused property: com.sun.xml.ws.api.streaming.XMLStreamReaderFactory.woodstox='true' found in System Property
[291] WARNING: Unused property: path.separator=':' found in System Property
[292] WARNING: Unused property: org.xml.sax.parser='weblogic.xml.jaxp.RegistryParser' found in System Property
[293] WARNING: Unused property: LC='Calling Function' found in /oracle/jbo/common/Diagnostic.properties resource
[294] WARNING: Unused property: user.country='US' found in System Property
[295] WARNING: Unused property: java.class.version='50.0' found in System Property
[296] WARNING: Unused property: java.vm.specification.name='Java Virtual Machine Specification' found in System Property
[297] WARNING: Unused property: java.specification.version='1.6' found in System Property
[298] }} finished loading BC4J properties
[299] -----------------------------------------------------------
Diagnostics: (Properties (re)loaded) Routing diagnostics to standard output (use -Djbo.debugoutput=silent to remove)
[300] Diagnostic Properties: Timing:false Functions:false Linecount:true Threshold:6
[301] JavaVMVersion: 10.0-b22
[302] JavaVMVendor: Sun Microsystems Inc.
[303] JavaVMName: Java HotSpot(TM) Client VM
[304] OperatingSystemName: Linux
[305] OperatingSystemVersion: 2.6.25-14.fc9.i686
[306] OperatingSystemUsername: myname
[307] jbo.323.compatible Flag: false, str: false
[308] jbo.903.compatible Flag: false, str: false
[309] oracle.jbo.usemds Flag: true, str: true
following solution i tried.
in jdev.conf
AddVMOption -Duser.timezone="+05:30"
in environment variable
export TZ="Asia/Calcutta"
please help me to start learning jdeveloper 11g.

duplicate of java.sql.SQLDataException: ORA-01882: timezone region not found

Why java is called pure object oriented.

i know that java is called as pure object oriented language.
why it is called so even though it has primitive datatypes and also it doesnot support multiple inheritance completely. it only supports in the case of interfaces but not in the case of classes. then why it is called pure object oriented.

Its because you cannot write an executable java program without creating an object. Well, you can:
public class a
public static void main( String a[] )
}In contrary to C++, there can be no variables or functions in the wild (outside a class).
You can not create an executable java program without creating a class (but not forcibly its instance, an object.)
The "pure object oriented" wording in this sense has not really much importance, it is rather a marketing ploy.

OCI Vs 100% Pure JDBC Drivers..

Hi there,
Can anyone explain, why would I consider using OCI native code drivers in Java applications instead of the 100% Pure JDBC driver ? IS OCI driver faster/ has more features ??
thankx
Gautam

Hi ,
The only dis-adv with OCI driver is that it is not compatible in other platforms , since it uses native code and requires a client installation of oracle.
But the advantages over power them ,
Its very much faster and has a lot of added features .,
You can refer to the oracle documentaion.
http://download-west.oracle.com/otndoc/oracle9i/901_doc/java.901/a90211/overvw.htm#1004533
Regards
Elango.
null

OOP Languages Stats

well, i know this is not a java-related question but i need to know what is the proportion of oop languages usage in enterprise project (comparing to non-oop languages).
does someone have any reference to such statistics ??
thx in advance.

Good point, but some Java programs are also C-style. If the question is, how much good OO design is going on, it'll be a lot harder to answer.
The Java API is by far the biggest OO toolkit available. Predictions in the early 1990s that OO would open up a market in reusable classes have not been fulfilled, and the open source community is only beginning to embrace Java.

Java is 100% pure OOPS Language or not

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