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I gave same suggestion to OP. everything should be written in English that can understand by everyone 
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I recommend that you take your own advice. A few more classes in English will do you some good.
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As if you all are not able to speak other languages  
He wants to create some area or document inside another area/document. Not sure about what he's really up to.
But as he is not able to write a complete explanation, he probably does not want a complete answer.
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More or less what I said in the first reply. I don't know why all the others had to repeat it; probably just trying to harvest rep points.
Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman
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oh, yeah, must be the reason.
oh look, 10 points again
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hi! This is my class Roster.
public class Roster
{
int[] shift;
int length;
public Roster()
{
length=30;
shift=new int[length];
}
public Roster(int[] s)
{
shift=s;
}
public int[] getShift()
{
return shift;
}
public int getLength()
{
return shift.length;
}
public String display()
{
String out="";
for(int i=0;i<length;i++)
{
out+= shift[i] + " ";
}
return out;
}
}
i'm not sure this coding above is correct or not. Output can't display in text file.hope u all can help me fix this problem
This is main class
public class NurseMain
{ public static void main(String[] arg) throws IOException
{
try
{
FileReader reader = new FileReader("Roster.txt");
BufferedReader in = new BufferedReader(reader);
FileWriter writer1 = new FileWriter("Output.txt");
BufferedWriter bw1 = new BufferedWriter(writer1);
PrintWriter out1 = new PrintWriter(bw1);
FileWriter writer2 = new FileWriter("initialAffinity.txt");
BufferedWriter bw2 = new BufferedWriter(writer2);
PrintWriter out2 = new PrintWriter(bw2);
FileWriter writer3 = new FileWriter("initialClash.txt");
BufferedWriter bw3 = new BufferedWriter(writer3);
PrintWriter out3 = new PrintWriter(bw3);
String input=null;
ArrayList RosterList = new ArrayList();
int length=30;
Roster R = new Roster();
int[] shift=new int[length];
while ((input = in.readLine()) != null)
{
StringTokenizer st = new StringTokenizer(input,",");
for(int i=0;i<shift.length;i++)
{
shift[i]= Integer.parseInt(st.nextToken());
R=new Roster(shift);
}
RosterList.add(R);
}//end while
for(int j=0;j<RosterList.size();j++)
{
R=(Roster)RosterList.get(j);
out1.println(R.display());
}
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the main(args[...]) is incomplete. What's your question?
The class Roster looks quite OK. I would prefer a toString() instead of the display() - that's a more common way. But that's just makeup.
regards Torsten
I never finish anyth...
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i want to count how many shift that equal to 3 in first arraylist.. i don't know how to call it.. thanks 
R=(Roster)RosterList.get(0);
{
for(int i=0;i<shift.length;i++)
{
if(R.getShift(i)==3);
{
cnt++;
}
}
System.out.println(cnt);
}
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a bit confusing.
You have a list of roster and a roster has like 30 int values in a array.
while ((input = in.readLine()) != null) {
StringTokenizer st = new StringTokenizer(input,",");
for(int i=0;i<shift.length;i++) {
shift[i]= Integer.parseInt(st.nextToken());
R=new Roster(shift);
}
RosterList.add(R);
}
Is that correct?
You are going through that file "roster.txt". One text line presents a Roster object.
You're reading one integer and renew the Roster object "R" each time (bad - init the Roster object afterwards!).
After that you're adding the filled Roster object to a list "RosterList".
Questions:
- What happens if there are more int values in the line than the initial size of shift (fixed to 30 values)??
- What happens if one value is not valid?
- What to do with FileWriter "out2" and "out3"?
regards Torsten
I never finish anyth...
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yes i need to read from a text file (Roster.txt). In object Roster, i have 30 shift..
and this is example of my text file
1,3,4,2,4,1,4,4,4,4,1,3,1,1,4,2,1,2,1,2,3,2,1,3,3,1,1,2,4,2
the file writer out2 and out3, i used to print another output but i'm not finished yet
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ok, then go ahead. looks quite good so far.
You might create a Parser object to do the dirty job for you - I don't know if this fits your class or your teacher is pleased with that, but that's also a common thing to do. Keep the main as clean as possible.
regards Torsten
I never finish anyth...
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thank you.
we used code & it worked so goooood.
http:
http:
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Always wrap your code in pre tag.
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How can I disable my Window 7 Desktop in Java while showing some warning? I am making a Timer program in java and need to disable the desktop if the time is over and enable again if the admin allows it.
I just want to know the keyword of disabling and enabling the desktop. Just like this
To shutdown a PC = shutdown -s
Any help is appreciated.
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I am curious to know why are you trying to Disable your Window Desktop. whatever you can go there[^] to get something to learn how to Disable or Enable desktop using java.awt.Desktop API
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The purpose is the user will not allowed to do anything on desktop. Only the user allowed to access the desktop if the timer start again. Any other idea?
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maybe you should use API of windows; I have another way to realize this, you can use java.awt.Robot to control your machine.
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Is there a good reason for this? Consider the way Windows has been designed. The user can perform one or more tasks at the same time. What exceptional knowledge has your app got that says nothing else can be performed while it is active?
Panic, Chaos, Destruction. My work here is done.
Drink. Get drunk. Fall over - P O'H
OK, I will win to day or my name isn't Ethel Crudacre! - DD Ethel Crudacre
I cannot live by bread alone. Bacon and ketchup are needed as well. - Trollslayer
Have a bit more patience with newbies. Of course some of them act dumb - they're often *students*, for heaven's sake - Terry Pratchett
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In my apps every minute the Timer will check the Admin specified time and it will stop if it's equal. It will also disabled all the active apps in my desktop except this Timer itself. For the reason that they are restricted to use the PC if their specified time is over.
How was that? Do you guys have a better idea now?
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So you allow a user x minutes on the machine then lock it? I would not try this using Java, you will find it is going to be easier to use a lower language such as C++.
Panic, Chaos, Destruction. My work here is done.
Drink. Get drunk. Fall over - P O'H
OK, I will win to day or my name isn't Ethel Crudacre! - DD Ethel Crudacre
I cannot live by bread alone. Bacon and ketchup are needed as well. - Trollslayer
Have a bit more patience with newbies. Of course some of them act dumb - they're often *students*, for heaven's sake - Terry Pratchett
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Yes that's it thanks I will convert to C++ now.
Thanks for all your help guys..
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flashery wrote: How can I disable my Window 7 Desktop in Java while showing some warning?
Not possible.
Best that you can do, maybe, is produce a full screen view and that is far from disabling.
The generic term for a box with an application where the application completely controls access to the box is 'kiosk' as that type of software needs to do exactly that. And typically there are quite a few things that one needs to disallow, remove and/or intercept to pre-empt all access.
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now you've heard so much things you CAN'T do.
Here is what you can do:
Make a pop up dialog that is top most. It will appear in front of all other applications and must be confirmed. You can also let that dialog play some annoying sound.
regards Torsten
I never finish anyth...
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Yeah that's right but you can access some window which is not its parent. What I want is a pop up dialog that will surely disabled all the access of the desktop except the pop up dialog itself.
Can I do it in java?
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you can't disable other applications - but the dialog will pop up in front of all applications and stay there. The user can work on other applications but has always the popup in sight. An alarm sound can be looped until the user acknowledges the alert.
You can make it impossible to work with other applications if you make the dialog of the popup a bit bigger, but that's more annoying than useful.
regards Torsten
I never finish anyth...
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