Get objects out of Arraylist

Hi I have this code, below, The set methods in the class Website work just fine to get the data into the arraylist, but i just can't figure out the get methods to get the objects back out to compare. Could someone please help. i'm almost finished with this thing!!
Iterator itr1 = Websites1.iterator();
Iterator itr2 = Websites2.iterator();
outer: while (itr1.hasNext()) {
while (itr2.hasNext()) {
//Object site1 = new Object ();
//Object site2 = new Object ();
Object site1 = (Website)itr1.next();
content1 = site1.getCon();
date1 = site1.getMod();
Object site2 = (Website)itr2.next();
content2 = site2.getCon();
date2 = site2.getMod();
if (date1 != date2 ) {
if (content1 != content2)
alert.play();
//do other stuff//
else;
else;
continue outer;
class Website {
public String WebsiteName, WebsiteContent, Content;
public Date LastModified, Modified;
public Website() {
WebsiteName = "";
WebsiteContent = "";
LastModified = null;
public Website (String Name, String Content, Date Modified) {
WebsiteName = Name;
WebsiteContent = Content;
LastModified = Modified;
public void setName(String Name) {
WebsiteName = Name;
public void setContent(String Content) {
WebsiteContent = Content;
public void setModified(Date Modified) {
LastModified = Modified;
public String getCon() {
Content = WebsiteContent;
public Date getMod() {
Modified = LastModified;

I think that worked (duh i should have noticed it earlier), but now i'm getting a real weird error when i try to compile on my custom get methods
missing return statement
public String getCon() {//(points to this)
and the same thing on the public Date getMod() method
any ideas?
I'm lost now i've never seen that before

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Message was edited by:
mistah-java

Getting items out of arrayList

Hi everyone
I have the following scenario:
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<%@ page import="java.util.*"%>
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798642 wrote:
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Assignment.ChatImp$User@11121f6
Assignment.ChatImp$User@f7f540

This code is brain dead.
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* Created by IntelliJ IDEA.
* User: Michael
* Date: Dec 2, 2006
* Time: 9:59:11 AM
* To change this template use File | Settings | File Templates.
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this("", "");
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sorry for my not-clear descprtion...thc for your help....i got a problem on store some data to a file ....u can see my from demo..
Step1: i try to prompt the user to enter his/her cd `s information
and i pass those cd `s information to an object "MuiscCd" ..and i am going to add this "MuiscCd" to the arrayList " MusicCdList ". i am fine here..
Step2: and i want to save the object that `s in my arrayList " MusicCdList " to a file....i got stuck here..<_> ..(confused).
Step3:
i will reopen the file and print it out..(here i am alright )

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| | C | Mn | Si | ....
125654 | |0.20%|0.10%|0.05%|.....
i should have to be able to search on the number and read the differend % (C, Mn, Si). This % are used in a formula to calculate a value that is used for DAQ
I can do this action with an acces DB, but not with excel. The problem is that they used excel for some years now (where i work) and changing the excel file to a DB would be a very long w
ork.
If someone could help i'd appreciate it
thx

I tried it like you said, but i get the error: -2147217865
exception occured.
[Microsoft][ODBC Excel Driver] The microsoft jet database engine could not find the object 'Sheet1'. Make sure the object exists...
So he doesn't seem to recognize a datasheet as a table (if i may compare it like this) when i choose the microsoft Excel driver with the workbook as described in your answer.
Any ideas?
i putted some attachements, maybe they make it easier to understand
Attachments:
test_excel_query.vi ‏37 KB
test_query_excel.xls ‏90 KB

Map.get(K) and Map.get(Object)

When I first saw the new 2.0 generics compiler, I was very pleased to see that the signature of Map.get() has changed (since 1.3) from:
    interface Map<K,V> { V get(Object obj); }to:
    interface Map<K,V> { V get(K key); }because it means buggy code like this:
    Map<File,Integer> fileSizeMap = new HashMap<File,Integer>();
    Integer sizeOfFile = fileSizeMap.get("/tmp/foo");
    if (sizeOfFile == null) {
        System.err.println("File not found in map");
    }(where I have mistakenly called Map.get() with a String rather than a File) will now get a compiler error rather than a fault raised several months after the application has gone live.
So, as I say, I am very pleased with the new signature for Map.get(), although I would also like to see the following methods changed:
    boolean containsKey(Object)   -> boolean containsKey(K)
    boolean containsValue(Object) -> boolean containsValue(V)
    V remove(Object object)       -> V remove(K)However, I just read on http://cag.lcs.mit.edu/~cananian/Projects/GJ/Bugs/v20/map.html that Neal Gafter says that putting Map.get(K) into 2.0 was a mistake, and that it will be put back to Map.get(Object) in the next version.
I do hope I haven't missed something obvious, but keeping these methods with Object parameters seems to me to be a backwards step from the excellent type safety benefits provided by Generics.
Does anyone else agree with me that having get(K) would be beneficial in allowing the compiler to identify bugs that would otherwise only be discovered much later?
Or, could someone explain to me why having get(Object) is preferable, and whether this reason is more important than the type safety issue I identified in my example code above?
Many thanks in advance
Geoff

Gafter wrote:
The reason the argument type is Object and not K is that existing code depends on the fact
that passing the "wrong" key type is allowed, causes no error, and simply results in the
key not being found in the map.But "existing code" does not use Generics, and therefore as with all other non-generic code, the authors of that code can choose to either leave it as it is (in which case their Maps will become Map<Object,Object> and Map.get() will then take an Object), or to upgrade it to Generics, and take advantage of the helpful compiler messages that may highlight some design flaws in the original code.
In Jakarta Commons Collections (this is "existing code"), there's a class MultiHashMap which extends HashMap. When you call MultiHashMap.put(someKey, someValue) it appends someValue to an ArrayList that gets stored as the value in the HashMap. However when you call MultiHashMap.get(someKey), it returns a Collection of values, rather than just a single value.
If they try to upgrade MultiHashMap to Generics, they are going to come up with a problem: they would be needing something like this:
    public class MultiHashMap<K,V> extends HashMap<K,V> {
        public V put(K key, V value) { ... }
        public Collection<V> get(K key) { ... }
    }which of course is not allowed, since Map<K,V>.get() returns V, not Collection<V>.
Now, I don't hear anyone saying: This "existing code" relies on Map.get() returning an Object, so in Generics we're going to make Map.get() return Object rather than V.
No, instead we (correctly) say: That MultiHashMap code was wrong to abuse the flexibility provided by the use of Object as the return value of Map.get(), and if it wishes to use Generics, it will either need to become MultiHashMap<K,Object>, or if it insists on being MultiHashMap<K,V>, it will not be allowed to extend HashMap.
I really don't see the problem in using Generics (and a typesafe Java Collections API) as a means of highlighting problems in existing code. As I said before, existing code will continue to work as before, because List will become List<Object> and Map will become Map<Object,Object>.
This is no worse than "accidentally" trying to get() with a key of the right
type but the wrong value. Since none of these methods place the key into the
map, it is entirely typesafe to use Object as the method's parameter.Suppose for a moment that when String.endsWith() was first written, it took an Object parameter instead of a String. If I were to say to you: This method needs to change its parameter from Object to String, would you tell me that that there's no need to make the change, because a String can only ever end in a String, and so it is entirely typesafe to use Object as the method's parameter?
Geoff

Backslashes getting stripped out of my regex

I am trying to automate some find/replace routines in dreamweaver using javascript.
dreamweaver.setUpFindReplace({
        searchString: '<table width="\d+',
        replaceString: '<table width="100%"',
        searchWhat: "document",
        searchSource: true,
        useRegularExpressions: true
    dreamweaver.replaceAll();
This query gets passed as: <table width="d+
Problem: when the query string is passed to the setUpFindReplace object, the backslashes get stripped out. Backslashes are key to regular expressions. How do I get them passed from JavaScript to Dreamweaver?
I am using CS6
Ben

I am still looking for a smart person to answer, but in case anyone else is having same problem I found a work-around.
I think Java uses the backslash as an escape character and so it is not passing it to Dreamweaver. The only thing I found that works is to set a variable with the regex text, and escaping all the backslashes, then passing the variable to Dreamweaver.
var myFind = '<table width="\\d+"'
dreamweaver.setUpFindReplace({
        searchString: myFind
        replaceString: '<table width="100%"',
        searchWhat: "document",
        searchSource: true,
        useRegularExpressions: true
    dreamweaver.replaceAll();
Note: double backslash \\d+ and single quotes ' " " ' used because query string contains double quotes.
I tried escaping the double quotes in the search string \" but this did not work for the same reason.
Ben (not a Java developer)

[SOLVED]txlive-localmgr: Can't get object for collection langukenglish

Hi,
I just had issues today with tllocalmgr not working at all. Every command hangs with:
[jwhendy]$ tllocalmgr
Initializing ...
Can't get object for collection-langukenglish at /usr/bin/tllocalmgr line 103
Line 103 in /usr/bin/tllocalmgr is:
my %tlpackages = $tlpdb->archpackages;
And $tlpdb seems to refer to this line:
my $tlpdb = new TeXLive::Arch (root => $ROOT) || die "cannot read $ROOT/tlpkg/texlive.tlpdb"
I tried removing ~/.texlive/texmf-var/arch/tlpkg/texlive.tlpdb to see what it would do and it just regenerated one and produced the same issue.
The only google results for collection-langukenglish refer to /usr/share/texmf[-config]/tex/generic/config/language.dat. I checked that file out and commented out all languages except english seeing if that would help. No luck.
Any other thoughts? I'm truly puzzled. I just installed some texlive packages from CTAN within the last week... two at the most. Is this on my end or perhaps with some momentary glitch in CTAN, like being out of sync somehow?
John
Last edited by jwhendy (2010-09-10 02:26:19)

Hmmm. Wonder if it really was the mirror. After a few 'yaourt -R texlive-localmanager' and 'yaourt -S texlive-localmanager' iterations... the problem is gone!
John

Get objects out of Arraylist

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