Java.math.BigDecimal Problem!

Hi all,
I'm running a webdynpro application, inside it I'm executing a RFC that receives some parameters. Most of them are strings, but just one of them is BigDecimal type. When I run the app, I got the following error...
java.lang.NullPointerException
at java.math.BigDecimal.<init>(BigDecimal.java:181)
I appreciate any help you can give me.
Thanks in advance.
Jesus.

Hi Nibu,
Here you have the code that I'm using..
BigDecimal imp = new BigDecimal (
wdContext.currentContextElement().getImporte());
wdThis.wdGetVR_ControllerController.executeRFC(imp);
Then in the VR_Controller, I have created a method call executeRFC like this...
public void executeRFC (java.math.BigDecimal importe)
try {
wdContext.currentZbapi_createVR_InputElement().modelObject.setImp(importe);
wdContext.currentZbapi_createVR_InputElement().modelObject.execute(),
catch (Exception e) {
Thanks.
Jesus.

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Cast to a literal (ex. "java.math.BigDecimal")

I have an array with 2 columns like:
"java.math.BigDecimal", "2"
"java.lang.String", "Test 01"
"java.math.BigDecimal","120"
"java.math.BigDecimal","148"
"java.lang.String", "Test 02"
Is there way to cast the second string to the correct object type, using the first string.
Something like this:
("java.math.BigDecimal")("2")
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thanks in advance,
intovoid

You could do this by reflection for classes which
have a contructor which takes an single string
parameter - which I believe all these classes do.
Lot's of messy expections to field. The sequence
would be something like:
private static Object create(String[] columns) throws
Exception {
Class clazz = Class.forName(columns[0]); // get
the class
Contstructor cons = clazz.getConstructor(new
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String
return cons.newInstance(new Object[]{columns[1]});
// construct object
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Hi Valery,
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Java.math.BigDecimal;

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Thanks in advance.
import java.math.BigDecimal;
public class AddTwoBigNumbers{
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at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
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at oracle.jbo.common.JboTypeMapEntries$2.convert(JboTypeMapEntries.java:135)
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at oracle.jbo.domain.TypeFactory.getInstance(TypeFactory.java:116)
at oracle.jbo.server.AttributeDefImpl.convertToJava(AttributeDefImpl.java:2220)
at oracle.jbo.server.ViewRowSetImpl.prepKeyForFind(ViewRowSetImpl.java:5377)
at oracle.jbo.server.ViewRowSetImpl.findByKey(ViewRowSetImpl.java:5394)
at oracle.jbo.server.ViewRowSetImpl.findByKey(ViewRowSetImpl.java:5296)
at oracle.jbo.server.ViewRowSetImpl.findByKey(ViewRowSetImpl.java:5290)
at oracle.jbo.server.ViewObjectImpl.findByKey(ViewObjectImpl.java:11628)
at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.syncTargetIter(JUCtrlHierNodeBinding.java:641)
at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.internalSetCurrentRow(JUCtrlHierNodeBinding.java:617)
at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.syncCurrentRow(JUCtrlHierNodeBinding.java:547)
at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.setRowAsCurrentOnTargetIterator(JUCtrlHierNodeBinding.java:561)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlHierNodeBinding.setRowAsCurrentOnTargetIterator(FacesCtrlHierNodeBinding.java:147)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlHierBinding$FacesModel.makeCurrent(FacesCtrlHierBinding.java:685)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
... 58 more
Caused by: java.lang.NumberFormatException
at java.math.BigDecimal.<init>(BigDecimal.java:459)
at java.math.BigDecimal.<init>(BigDecimal.java:728)
at oracle.jbo.common.JboTypeMapEntries$2.convert(JboTypeMapEntries.java:129)
... 76 more
Please can you let me know how I can resolve this issue.
Thanks

Hi, I have rechecked this issue. In the bug they say that Big Integer should be changed to Big Decimal to resolve the issue. I checked my application and saw that there is no Big Interger. Please can you guide me further.

Math.pow problem

Hello guys, I trying to get math.pow of specific value but it returns me unusual ouput which i don't understand. Here is the formula
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Here's a sample
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Acrobat Pro 6 Average Daily Production and Math.round problem
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There are a many loose ends in your question.
First, I have never seen before a variable type called 'var'. Is it a java primitive or a class?
Next, I cannot seem to find any class that has the printx method.
When it comes to substr(-2,2), I get confused. First, I thought that it was a method of the String class, but I only got as far as substring(beginIndex, endIndex).
If you really must break the production and average into pieces, try this:
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int avg_frac = (int)( (average - avg_units) * 100 );My guess is that util.printx("0099", x) formats x having two optional digits and two mandatory digits, showing 0-99 as 00-99, but allows to show numbers with three and four digits.
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154.99/31= 4,9996774193548387096774193548387
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adeline from singapore

Cross-posted at http://forum.java.sun.com/thread.jsp?thread=293132&forum=54&message=1155073

Package java.math does not exist!!!

hi java experts, i really desperately need some help. ihave been trying to compile a java program i have written that imports the java.math package as i am using the BigInteger class. I am using SUN ONE STUDIO ME 4 and have j2se SDk installed. when i try to build the program in the IDE, it gives me an error message saying the java.math package does not exist. i can't understand why. i think it's an IDE problem. i tried mounting the filesystem and i mounted almost a million times in diff ways but it still can't compile. i can't find the directory of the java.math to mount into. anyway i tried to compile it at the command prompt and it can compile but with errors... so i figure that i do have the java.math class on my system just that the IDE jsut can't recognise it. i am at my wits end and gonna go mad if someone doesn't please help me.
adeline from singapore

java.math package will be there in jdk_dir\jre\lib\rt.jar. You need to set the classpath variable in your IDE for this jar file. There must be some means to edit the IDE's classpath variable.
i mounted almost a million times in diff ways but it still can't compileIf it takes one minute for each mount then total time you have taken = 10000000 minutes = 166666 hours = 6944 days = 19 years (roughly). Java was not there 19 years ago.
Sudha

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Greeting.
I'm facing a problem with java math. When I outprint (1/2) it will be 0 not 0.5. Any idea?

gtt0402 wrote:
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kind regards,
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sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loopHi Sam,
I want to pass along a couple of tips that will get you more and better response on this list.
1) There is an un-written rule that says more "stars" is better than just one star. Giving a one star rating will probably eliminate that responder from individuals that are willing to anser your question.
2) If someone gives you an answer that meets your needs, reply to that answer and say that it worked.
3) If someone suggests that you look at an example, DO IT! LV comes with a wonderful set of examples that demonstate almost all of the core functionality of LV. Familiarity with all of the LV examples will get you through about 80% of the Certified LabVIEW Developer exam.
4) If you have a question first search the examples for something tha
t may help you. If you can not find an example that is exactly what you want, find one that is close and post a question along the lines of "I want to do something similar to example X, how can I modify it to do Y".
5) Some of the greatest LabVIEW minds offer there services and advice for free on this exchange. If you treat them good, they can get you through almost every challenge that can be encountered in LV.
6) If English is not your native language, post your question in the language you favor. There is probably someone around that can help. "We're big, we're bad, we're international!"
Trying to help,
Welcome to the forum!
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

Java.math.BigDecimal Problem!

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