Sets ADT operation...

hi, i am alvin. i am a newbie in java language. hope you guys can help me sort my problem here.
Using array or linklist, how can i write a program of a set ADT that compute the intersection, union, difference and subset of two sets, say A and B? th maxarray size is, let say 100. pls advise.
for another question, is there anyone out there who is familiar with the Josephus problem(where ppl in a circle rotating kill themselve evrey n count?) how can i write those program using doublylinked list?
pls advise. thanks.

hahaha....how much are we talking aobut here....

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env:
JDEV EA
the code:
ViewCriteria vc = vo.getViewCriteria();
if (vc == null)
vc = vo.createViewCriteria();
else
vc.clear();
vc.setCriteriaMode(ViewCriteria.CRITERIA_MODE_CACHE);
ViewCriteriaRow vcr3 = vc.createViewCriteriaRow();
vcr3.setConjunction(ViewCriteriaRow.VCROW_CONJ_AND);
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Hi Experts,
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Thanks,

Hi Chinna,
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Hi,
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hi,
>>>is there any way to set the "Operating System Command Line" in the file adapter as ASMA / dynamic attribute?
>>>I need to set a command line exec depending on some XSL mapping values.
think about this approach:
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RFE Proposal Set Operations - RFC

Greetings, this is a proposal for a Request for Enhancement in the JDK. It
is posted here for the review and comment. Basically an RFC on a RFE. =)
Please indicate your comments on the matter.
The proposal is to have a set of operations for perfomring Non-destructive
mathematical set operations on collections. Additionally, the addition of
set operations to rename the old operations int java.util.Collection
interface to names that are mathematically accurate; so that
removeAll(Collection c) would have an alias of difference(Collection c) and
retainAll(Collection c) would have a alias of intersection(Collection c).
The following methods would be added to the java.util.Collections class.
* Performs the non-descturctive union of two collections.
* The resulting collection is the union of the two collections with no
duplicates.
* @author Robert Simmons Jr.
* @param a The first collection of objects.
* @param b The second collection of objects.
* @return The collection wise union of and b.
public final static Collection collectionUnion(final Collection a, final
Collection b) {
Collection results = new HashSet(a);
Iterator iter = b.iterator();
while (iter.hasNext())
results.add(iter.next());
return results;
* Performs the intersection of two collections.
* The resulting collection is the intersection of the two collections with
no duplicates.
* @author Robert Simmons Jr.
* @param a The first collection of objects.
* @param b The second collection of objects.
* @return The collection wise intersection of a and b.
public final static Collection collectionIntersection(final Collection a,
final Collection b) {
Collection results = new HashSet();
Iterator iter = a.iterator();
Object element = null;
while (iter.hasNext()) {
    element = iter.next();
    if (b.contains(element)) results.add(element);
return results;
* Performs the difference of two collections.
* Removes all elements from a that appear in b.
* @author Robert Simmons Jr.
* @param a The first collection of objects.
* @param b The second collection of objects.
* @return The collection wise difference of b elements removed from a.
public final static Collection collectionDifference(final Collection a,
final Collection b) {
Collection results = new HashSet(a);
Iterator iter = b.iterator();
while (iter.hasNext())
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return results;
* Performs the XOR union of two collections.
* The resulting collection is the union of the two collections with objects
that appear in
* a and b left out.
* @author Robert Simmons Jr.
* @param a The first collection of objects.
* @param b The second collection of objects.
* @return The collection wise union of a and b excluding any objects that
appear in both a and b.
public final static Collection collectionXORUnion(final Collection a, final
Collection b) {
Collection results = new HashSet(a);
Iterator iter = b.iterator();
Object element = null;
while (iter.hasNext()) {
    element = iter.next();
    if (!(b.contains(element))) results.add(element);
return results;
* Performs the union of two maps.
* The resulting map is the union of the two maps with no duplicates.
* When working with set operations on a map, the set is assumed to be the
key set. For
* this reason, if both sets have the same key but different values then the
value from
* set b will beused as the value.
* @author Robert Simmons Jr.
* @param a The first map of objects.
* @param b The second map of objects.
* @return The map wise union of and b.
public final static Map mapUnion(final Map a, final Map b) {
Map results = new HashMap(a);
Iterator iter = b.keySet().iterator();
Object key = null;
while (iter.hasNext()) {
    key = iter.next();
    results.put(key, b.get(key));
return results;
* Performs the intersection of two maps.
* The resulting map is the intersection of the two maps with no duplicates.
* When working with set operations on a map, the set is assumed to be the
key set. For
* this reason, if both sets have the same key but different values then the
value from
* set b will beused as the value.
* @author Robert Simmons Jr.
* @param a The first map of objects.
* @param b The second map of objects.
* @return The map wise intersection of a and b.
public final static Map mapIntersection(final Map a, final Map b) {
Map results = new HashMap();
Iterator iter = a.keySet().iterator();
Set bKeys = b.keySet();
Object key = null;
while (iter.hasNext()) {
    key = iter.next();
    if (bKeys.contains(key)) results.put(key, b.get(key));
return results;
* Performs the difference of two maps.
* Removes all elements from a that appear in b.
* In this case, the set is determined to be the set of keys. The set of
keys from
* b will be used to remove keys from a.
* @author Robert Simmons Jr.
* @param a The first map of objects.
* @param b The second map of objects.
* @return The map wise difference of b elements removed from a.
public final static Map mapDifference(final Map a, final Map b) {
Map results = new HashMap(a);
Iterator iter = b.keySet().iterator();
while (iter.hasNext())
results.remove(iter.next());
return results;
* Performs the XOR union of two maps.
* The resulting map is the union of the two maps with objects that appear
in
* a and b left out.
* When working with set operations on a map, the set is assumed to be the
key set. For
* this reason, if both sets have the same key but different values then the
value from
* set b will beused as the value.
* @author Robert Simmons Jr.
* @param a The first map of objects.
* @param b The second map of objects.
* @return The map wise union of a and b excluding any objects that appear
in both a and b.
public final static Map mapXORUnion(final Map a, final Map b) {
Map results = new HashMap();
Iterator iter = a.keySet().iterator();
Set bKeys = b.keySet();
Object key = null;
while (iter.hasNext()) {
    key = iter.next();
    if (!(bKeys.contains(key))) results.put(key, b.get(key));
return results;
}Transcript of mail session with Sun java developer after bug submission:
Hi Robert Simmons Jr.,
Thank you for the feedback.
The method names in java.util.Set conform to the parent interface,
java.util.Collection. As for the destruction situation, returning a new set
also would involve creating and populating a new set.
If you would like to pursue this Request for Feature Enhancement (RFE)
further,
I would suggest that you first post this idea to a newsgroup and request
comment from other Java developers. The issues that we have discussed are a
good starting point.
You can view a list of Java newsgroups at:
http://java.sun.com/aboutJava/newsgroups.html
Based on the responses, please feel free to submit a new RFE containing a
link to the newsgroup. Thank you for your time.
Regards,
Jonathan
"Simmons, Robert" wrote:
>
I understand your reply now. However I put it to you that the names ofthese
operations are HORRIBLY named. They should be named according to the
mathematical operations. Further, they are destructive to the set being
checked and I dont want that. The set operations should give me back a set
and not destroy the current set. If they destroy the current set then Ihave
to spend time copying the thing before I run the set operation which is
truly not performant. Do an intersection of 400,000 elements with anotherfo
300,000 elements and you have to first copy one and then the retain all
method has to iterate through the entire set. This is very bad logic. Inthe
code I gave you, you have to only iterate through the set and not copy it.>
----------------- Original Bug Report-------------------
category : java
release : 1.4
subcategory : classes_util
type : rfe
synopsis : java.util.Collections Class Should Implement Logical Set
Operations
description : FULL PRODUCT VERSION :
This issue is pertinent to all java versions including the new 1.4 version.
FULL OPERATING SYSTEM VERSION : Occurs in all operating
Systems.
ADDITIONAL OPERATING SYSTEMS : NA
A DESCRIPTION OF THE PROBLEM :
The java.util.Collections class is a class that is used to
manipulate sets and change them into various forms. Missing
from this is a feature that would define set operations,
such as Union, Intersection, and so on on the sets. This
would be extremely beneficial. I have written an extension
to this class that does just that and would like to submit
it for donation. All I ask is that the javadoc tag naming
me as author be retained.
This bug can be reproduced always.
---------- BEGIN SOURCE ----------

---------- END SOURCE ----------
CUSTOMER WORKAROUND :
Writing your own classes to do this, however it is so basic
that it should be in there.
workaround :
suggested_val :
cust_name : Robert Simmons Jr.
cust_email : [email protected]
jdcid : Derisor (old one was gnuish)
keyword : webbug
company : Ingeniums Pharmaceuticals AG
hardware : x86
OSversion : Linux
bugtraqID : 0
dateCreated : 2002-03-11 13:31:18.3
dateEvaluated : 2002-04-11 18:08:17.247
Robert Simmons Jr.
Senior Software Engineer
Ingenium Pharmaceuticals, Munich Germany.
Robert Simmons Jr.
Senior Software Engineer
Ingenium Pharmaceuticals, Munich Germany.
Robert Simmons Jr.
Senior Software Engineer
Ingenium Pharmaceuticals, Munich Germany.

Additional Bump. Seeking comments.

Reference Operation Sets

Hello Everybody,
Can someone tell what is meant by a Reference Operation Set?
Where can we create it and how can we assign it to the Routing?
What are the important feilds to be passed to it?
Please help. Its urgent.
Thanks,
Shashi Devi.

Hi,
A Reference operation set can be created using transaction CA11.
Here we can enter a set of operations needed.
Then in CA01 (create routing) from the operations screen we can add the reference operation set & all the operations from the reference operation set will be copied to this routing.
Hence whenever we need to create a routing with similar set of operations we can use reference operation set.
Also to create a rework order we can use reference operation set with the help of trigger point.
Regards,
Senthilkumar

Assignment of Reference Operation set to routing.

Dear Experts,
This is regarding the assignment of a reference operation set to a routing. We have one ref. op. set which is applicable for some 30 variants of our products. Now, we need to assign this ref. op. set to the existing routing. The follwoing points are to be taken care of:
1. Set up, m/c time, etc are allocated based on the operation number.
2. Change in the operation number leads to the change in these values. This is not acceptable.
Now when assigning the ref. op. set to the routing using the t. code. CA02, the systems asks for operation increment say 0010 (mandatory field). If we accept this value, the operation number follows a different sequence. Consequently, the setup, m/c times gets upset. This is due to upsetting of the operation number sequence.
How can we assign the ref. op. set to the routing without upsetting the operation number sequence i.e., copying the operations as it is in the ref. op. set.
Pl. suggest.
Regards,
Pradeep Santara

Dear Sharavan,
Probably, i have not been able to explain the issue. I will give it another try..
Say for the ref. Op. Set the operation sequence is 12, 14, 19...so on
But when we assign the Ref. Op. set to the routing CA02, the at the intial screen we come across one mandatory field "operation srl. no. increment", if we use 0010 in that field . The system copies the ref. Op. set with operation serial nos. starting 00,0010,0020 onwards and not in the order of 12, 14, 19....so on...
If still not clear pl. revert

Operation increement setting in routing

Dear PP Experts
I am wondering for a setting in routing. I want to set the operation increement setting in routing. Pl guide me
Regards

Hi
For refernce operation set also the setting is in OPL8 itself
just select
1) selection id as - 05
2) test list type as - S
3) Riuting selection as - 2
and give the increment number
Regards
kumar

LabVIEW and Set Operations

Hello all,
I am a student at the University of Texas @ Austin and I have been
looking through the LV 5.0 documentation for any documentation about
Sets and/or Operations on Sets but cannot find anything usefull. Does
anyone know if LV supports Sets and operations on Sets, for example,
Union, Intersection, or just a way to specify the elements of a Set? I
have an assignment to create a Non-Deterministic Finite State Machine
Simulator and would like to implement it using LV? I have some ideas on
how to Fake the set operations but it would be much easier to not have
to re-invent the wheel. I will check the newsgroup, but please also
respond to [email protected]
Thanx in advance Jeffo ....

"Jeffrey R. Orbach" wrote:
> Does anyone know if LV supports Sets and operations on Sets, for example,
>
> Union, Intersection, or just a way to specify the elements of a Set?
There are probably a number of ways to implement this in LabVIEW, depending
upon what kind of data you want in your sets, what kind of operations you
want to perform on them, etc. It's a pretty open-ended question without
more detailed knowledge of what you're after.
From my point of view, the LabVIEW array structure and its operators are a
construct that provides some set-like functionality right away:
specify set elements => array control on panel
check for membership => Search 1D Array
set union => Build Array (followed by Sort 1D Array if you want to keep the
set sorted)
set intersection
=> loop through one array using Search 1D Array on the
other to generate output set
This is one simple approach that shouldn't require a whole lot of coding or
wheel reinvention...
Regards,
John Lum
National Instruments

Sets ADT operation...

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