Loops in arrays or structures

Loops in arrays or structures
I was given a project on html reports and
They have advised me to use Loops in arrays or structures
At this point I am a novice at this html reporting system. I
would like to know how I can use loops in arrays or structures.
How is it beneficial are
1. Structures
2. Arrays
3. loops in for both
for my reports.
Countless thanks in advance

Structures are great if you understand them, they are
basically just arrays organized by keywords rather than index
numbers.
Arrays are very nice, as you can just run through loops to
access each element, as they are all indexed by numbers 0-x.
loops are great to navigate through both. All you have to do
is set an loop to run through x amount of iterations of the array
or structure (where x is the length of the array, or number of
elements in the structure). Loops are great due to the small amount
of code they require.

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Passing an array of structures to an Oracle stored procedure (CFMX)

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Loops and Arrays help

Hi,
I'm a freshman in college and new to java. I am completely lost and really need help with a current assignment. Here are the instructions given by my teacher...
Building on provided code:
Loops and Arrays
Tracking Sales
Files Main.java and Sales.java contain a Java application that prompts for and reads in the sales for each of 5 salespeople in a company. Files Main.java and Sales.java can be found here http://www.ecst.csuchico.edu/~amk/foo/csci111/labs/lab6N/Main.java
and here http://www.ecst.csuchico.edu/~amk/foo/csci111/labs/lab6N/Sales.java It then prints out the id and amount of sales for each salesperson and the total sales. Study the code, then compile and run the program to see how it works. Now modify the program as follows:
1. (1 pts) Compute and print the average sale. (You can compute this directly from the total; no new loop is necessary.)
2. (2 pts) Find and print the maximum sale. Print both the id of the salesperson with the max sale and the amount of the sale, e.g., "Salesperson 3 had the highest sale with $4500." Note that you don't necessarily need another loop for this; you can get it in the same loop where the values are read and the sum is computed.
3. (2 pts) Do the same for the minimum sale.
4. (6 pts) After the list, sum, average, max and min have been printed, ask the user to enter a value. Then print the id of each salesperson who exceeded that amount, and the amount of their sales. Also print the total number of salespeople whose sales exceeded the value entered.
5. (2 pts) The salespeople are objecting to having an id of 0-no one wants that designation. Modify your program so that the ids run from 1-5 instead of 0-4. Do not modify the array-just make the information for salesperson 1 reside in array location 0, and so on.
6. (8 pts) Instead of always reading in 5 sales amounts, allow the user to provide the number of sales people and then create an array that is just the right size. The program can then proceed as before. You should do this two ways:
1. at the beginning ask the user (via a prompt) for the number of sales people and then create the new array
2. you should also allow the user to input this as a program argument (which indicates a new Constructor and hence changes to both Main and Sales). You may want to see some notes.
7. (4 pts) Create javadocs and an object model for the lab
You should organize your code so that it is easily readable and provides appropriate methods for appropriate tasks. Generally, variables should have local (method) scope if not needed by multiple methods. If many methods need a variable, it should be an Instance Variable so you do not have to pass it around to methods.
You must create the working application and a web page to provide the applications information (i.e., a page with links to the source code, the javadoc and an object model) to get full credit. You can use the example.html's from the last two labs to help you remember how to do this.
I'm not asking for someone to do this assignment for me...I'm just hoping there is someone out there patient and kind enough to maybe give me a step by step of what to do or how to get started, because I am completely lost from the beginning of #1 in the instructions.
Any help would be much appreciated! Thank you!
Message was edited by:
Scott_010
Message was edited by:
Scott_010

First ask the person who gave this asignment as to why do you require two classes for this , you can have only the Sales.java class with main method in it . Anyways.
Let Main.java have a main method which instanciates a public class Sales and calls a method named say readVal() in Sales class.
In the readVal method of sales class define two arrays i.e ids and sales. Start prompting the user for inputting the id and sales and with user inputting values keep storing it in the respective arrays .. Limit this reading to just 5 i.e only 5 salesPerson.
Once both the arrays are populated, call another method of Sales class which will be used for all computations and output passing both the arrays.
In this new method say Compute() , read values from array and keep calculating total,average and whatever you want by adding steps in just this loop. You can do this in readval method too after reading the values but lets keep the calculation part seperate from input.
You must create the working application and a web page to provide the applications information (i.e., a page with links to the source code, the javadoc and an object model) to get full credit. You can use the example.html's from the last two labs to help you remember how to do this. I think this is ur personal stuff , but if you want to use web page , you probably will require to use servlet to read values from the html form passed to the server.

How to create an array of structure which the structure contain an array(s)

im very new to java, and new here
i searched many websites, but i cant find it
it looks like this,
there is 10 employees, each of them has 0-5 children,
what i want is,
peter alan joseph
|?????????????????|???????|??????????????
| |????????| |??????| | |?????| |
| | andrew | | alvin | | | john | | ...........................
| |________| |______| | |_____| |
| |
what i know is,
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}but only work for 1 child.. =(
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please help, newbie here

sen,
my lecture[r] said no statement in classEither you misundetstood your lecturer [probable]; or your lecturer is full of shit [possible].
is "String[] children = new String[5]" a statement ?Yes, it is.
she said we can only declare like "String[] children;" in classEither you misundetstood your lecturer ...
There's nothing actually wrong withclass Employee{
 String[] children = new String[5];
}But it has the inherent limitation that you can't put the fathers name on the 6'th child's birth certificate... because the dumb computer won't let you... Hence it is poor practice.
A better implementation would be:class Employee{
 private List<String> children = new ArrayList<String>();
}because it doesn't impose an artificial limit on the number of kids a bloke can have.
keith.

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BrianO,
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The suitable LabVIEW data type correspinding to the array of structure in Visual Basic ActiveX DLL

Hi!
I need to call a VB ActiveX DLL from LabVIEW. When I run my LabVIEW code, I always meet an error as:
Error 1 occurred at Incorrect Function in T06.vi
Possible reasons:
LabVIEW: An input parameter is invalid.
I have read the VB DLL code that defines the data type. It fills data to a structure, then puts this structure to the array, and sends the array of structures to the method.
VB Code:
For I = 1 To 31
Set MyInputData(I) = New EM_nkd_DataPoint
Next I
With MyInputData(1)
.Amplitude = 8.44
.DataPointType = R_HW
.DataSource = MEASURED
.Wav
elength = 409.56
End With
With MyInputData(2)
.Amplitude = 91.60113
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End With
~~~
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Attached my LabVIEW code for reference.
Many thsnks.
TX
Attachments:
T07.vi ‏166 KB

Hi,
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Accessing Array of Structures from Coldfusion

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Event controll: How to stop a running while loop inside a event structure

Hello,
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Message Edited by MichaGue_01 on 04-23-2010 04:37 AM
Solved!
Go to Solution.
Attachments:
Event_Controll.vi ‏27 KB

Hello,
Try not to use while loops inside a Event structure.
My approach is using two While loops (one will have only the Event structure).
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Attachments:
Event_Controll[1]_modified.vi ‏18 KB

Array of structures - two ways to approach - which is better?

Folks - I've been trying to create an array of structures,
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(1) myStructure
.firstName
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The problem with the first is that I can't find a way to
discover the size of the array, which leads me to suspect this is
not a valid method. The problem with the second is that you must
redefine the structure for EACH array element, which seems like it
would add a lot of overhead.
Any advice? Sample code attached.
Thanks!
************* Sample (1) **************
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<CFSET i = 0>
<CFOUTPUT QUERY="rsMailAuth">
<CFSET i = i+1>
<CFSET sCust.userId
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<CFSET sCust.validEmailSource =
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<CFSET sCust.authKeyword
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<CFSET sCust.authKeywordLoc =
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************* Sample (2) **************
<cfset strTest = arrayNew(1) >
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Sorry - simple english...
I am collecting a series of emails from a pop email server.
As I parse these into the individual parts (subject, body, from,
etc) I want to stuff them into a structure. each email would be a
new index. so, the 2nd email 'from' info would go into
myStructure.from[2] or myStructure[2].from.
I know there are lots of ways around this, I just have a
natural predisposition to use structures when possible as it makes
it easier for me to keep track of things and makes it easier to
follow the code.
I can make either of these work, I'm just not sure if they
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How to exit from the DO-while loop in the event structure

Hi all
I am just a beginner for Labview
I want to build a loop in the event structure, but when I enter in the loop, it seems the system is dead, and I can't exit the loop.
here I attached a simple sample.
In the sample. when I press the start_calculation button , the calculation start, but the system is dead, and I can't exit calculation loop.
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event_problem.vi ‏17 KB

Your problem is that you are trapped inside an event case. It is not a good idea to run extended code inside event cases, else the event structure cannot service other events.
Why don't you use the outer loop for everything? Now things don't step on each others toes. What good is an event structure if it cannot react at all times???
Message Edited by altenbach on 07-25-2008 12:26 AM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
event_problemMOD.vi ‏17 KB

Passing array of structures back to java from c

I have a DLL in C that I'm calling from a Java servlet. The C DLL creates a bunch of arrays of structures that I would like to be able to bring back to the Java servlet and process further. How difficult is this and does anyone have anywhere to point me that shows how it can be done?

1. In general, java knows nothing about structures. So you have to define eqquivalent java classes, and write code to move the data from C structs into the classes.
2. JNI supports definition of arrays of objects, which can be passed back from the dll.
You may find some code generators that will help you with the
CStruct->JavaObject definition. This may be a blind alley, but check out JACE.

Looping an array

I'm trying to loop an array inside another loop and am running into an issue. The problem is that the inside loop works but it is looping the outisde loop x number of times
This is where the code is so far. Any ideas what i'm doing wrong?
<cfset myList = ValueList(AccountProducts.PID)>
<cfset myList = listtoarray(myList)>
<CFLOOP QUERY="GetProductList">
 <CFLOOP index="VPU" from="1" to="#ArrayLen(myList)#">
 <CFIF PID EQ #myList[VPU]#>
 <CFINPUT NAME="SKUName" TYPE="checkbox" VALUE="#PID#" CHECKED="Yes" />#SKUName# 
 <CFELSE>
 <CFINPUT NAME="SKUName" TYPE="checkbox" VALUE="#PID#" CHECKED="NO" />#SKUName# 
 </CFIF>
 </CFLOOP>
</CFLOOP>
so an example of what it is doing now is
Product 1
Product 1
Product 1
Product 2
Product 2
Product 2
Product 3
Product 3
Product 3

Coder76 wrote:
I'm trying to loop an array inside another loop and am running into an issue. The problem is that the inside loop works but it is looping the outisde loop x number of times
Well you are getting exactly what you have coded.
Your output is inside the inner loop, so it is going to output something every time. The fix that is most similar to what you have already coded would be to set a flag inside the inner loop and do your output in the outer loop.
<CFLOOP QUERY="GetProductList">
 <cfset checked = "NO">
 <CFLOOP index="VPU" from="1" to="#ArrayLen(myList)#">
 <CFIF PID EQ myList[VPU]>
 <cfset checked = "YES">
 </CFIF>
 </CFLOOP>
 <CFINPUT NAME="SKUName" TYPE="checkbox" VALUE="#PID#" CHECKED="#checked#" />#SKUName# 
</CFLOOP>
But there are other ways to do this that would involve less lines of code using some of the list functions.
http://livedocs.adobe.com/coldfusion/8/htmldocs/functions-pt0_13.html
I think this would produce the same output.
<cfset myList = ValueList(AccountProducts.PID)>
<CFLOOP QUERY="GetProductList">
 <CFINPUT NAME="SKUName" TYPE="checkbox" VALUE="#PID#" CHECKED="#yesNoFormat(listFind(myList,PID))#" />#SKUName# 
</CFLOOP>

Loop through Array structure - using xpath

Hello,
My BPEL process logic is as follows:
a. Extract data into variable - receiveMessageInputVariable
The variable 'receiveMessageInputVariable' in turn has data in array structure. (set of items)
b. Transform the data to target structure
c. Call target partner link to store extracted data into varaible 'ServiceInputVariable'
The variable 'ServiceInputVariable' structure is similar to 'receiveMessageInputVariable'
In the BPEL process 'at process' level - I have catch-all exception handler - which must send the list of 'items' which failed during a BPEL instance.
i. If my email body has the following code as below:
<%bpws:getVariableData('receiveMessageInputVariable','XXINV_ITEM_PAY_ROW_TYPE','/ns4:XXINV_ITEM_PAY_ROW_TYPE/ITEMLINE/ITEMLINE_ITEM/ITEM_NUMBER')%>
It successfully fetches only the first item_number record of the array structure. But does not fetch the other records in the array.
ii. Similarly, I wish to print all the items (as received) to be available in the email body in the following pattern:
<%"Record One-"%>
<%bpws:getVariableData('receiveMessageInputVariable','XXINV_ITEM_PAY_ROW_TYPE','/ns4:XXINV_ITEM_PAY_ROW_TYPE/ITEMLINE/ITEMLINE_ITEM[1]/ITEM_NUMBER')%>
<%" "%>
<%"Record Two-"%>
<%bpws:getVariableData('receiveMessageInputVariable','XXINV_ITEM_PAY_ROW_TYPE','/ns4:XXINV_ITEM_PAY_ROW_TYPE/ITEMLINE/ITEMLINE_ITEM[2]/ITEM_NUMBER')%>
<%"Record Nth-"%>
<%bpws:getVariableData('receiveMessageInputVariable','XXINV_ITEM_PAY_ROW_TYPE','/ns4:XXINV_ITEM_PAY_ROW_TYPE/ITEMLINE/ITEMLINE_ITEM[N]/ITEM_NUMBER')%>
Please suggest a suitable syntax in my email body - which can loop through all itemline_item array and print all the item_numbers.
(pseudo code below)
for i in 1 .. ora:countNodes(bpws:getVariableData('receiveMessageInputVariable','XXINV_ITEM_PAY_ROW_TYPE','/ns4:XXINV_ITEM_PAY_ROW_TYPE/ITEMLINE/ITEMLINE_ITEM/ITEM_NUMBER'))
loop
<%"Item Number-"%><%bpws:getVariableData('i')%>
<%bpws:getVariableData('receiveMessageInputVariable','XXINV_ITEM_PAY_ROW_TYPE','/ns4:XXINV_ITEM_PAY_ROW_TYPE/ITEMLINE/ITEMLINE_ITEM/ITEM_NUMBER')%>
end loop;
Thanks,
Santhosh

Hi Santhosh
Try with the following approach. It may work for you
1. Create one XSD, for the HTML content
<xsd:element name="HTML">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="C1" type="xsd:string" nxsd:style="terminated" nxsd:terminatedBy="${eol}">
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
2. Create one XSL, may be you have to do this manually, as JDev will not support HTML transformations. This XSL will map your input XML to an HTML format.
3. Create one variable in BPEL of type in the above XSD
4. Use assign activity to assign the XSL transformation to the variable defined in Step#3
<from expression="ora:processXSLT('HTMLTransformation.xsl',bpws:getVariableData('Variable_Input',INPUT_TYPE'))"/>
<to variable="invokeWriteHTMLService_Input" part="HTML" query="/ns6:HTML/ns6:C1"/>
5. Copy the variable to the email body variable
<copy>
<from expression="bpws:getVariableData('invokeWriteHTMLService_Input','HTML','/ns6:HTML/ns6:C1')"/>
<to variable="varNotificationReq" part="EmailPayload"
query="/EmailPayload/ns8:Content/ns8:ContentBody"/>
</copy>
Basically, the above approach converts your input to a string value whose content is a complete HTML, and you will use only one value to assign to the email body.
Note: Please change the Variable names/XPATH Expressions/XSL file name/element names etc according to your BPEL
Hope this helps you
Regards
Ayon

Loops in arrays or structures

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