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Replied To a Post in Recursive method with static call
"Unreachable code" You need to remove the `break`s that come after a `return`, because executing the return means that the `break` that follows it can never be reached. "This method … -
Replied To a Post in Recursive method with static call
No, the `break` is optional in a switch statement. It's often omitted in code like switch (something) { case 1: case 2: case 3: do something for cases 1, 2 … -
Replied To a Post in Event handlers: which event class and which event listener interface
OK, that's your choice. Personally I would question why anyone would spend time struggling to master the syntax of anonymous inner classes when they just became obsolete (unless they are … -
Replied To a Post in choose primary value for combobox
OK. Exacatly how do you want to display the cabinets in the combo box? Give an example. -
Replied To a Post in choose primary value for combobox
Can I confirm what you are asking? You have some Cabinets, each with a number and a title. You want to display the title in the GUI, but get the … -
Replied To a Post in get data by scanning image using java code
Hi Please do not hijack other peoples' old threads. Start a new thread for your question, and give as much information as you can. -
Replied To a Post in Event handlers: which event class and which event listener interface
Sorry, but yes, the answer *is* in the API doc! Just look for the addXxxListener methods (being alphbetical, they're conveniently near the beginnning of the summary list). Dopn't forget to … -
Replied To a Post in ImageIO problem
ImageIO is a class that is provided as part of the standard JavaSE installation. You just need to import it, as in inport javax.imageio.ImageIO; -
Replied To a Post in printing elements in the arraylist
For x = 1,2,3 you display 4,6,8 elements. No need for those if tests. You can do that in a single loop if you use a simple formula to covert … -
Replied To a Post in Recursive method with static call
Yes, static methods are no more thread safe than instance methods - ie not at all unless you synchronise them yourself. I think the question of modifying the parameters may … -
Replied To a Post in 2d sheet optimization program in Java
Hi Usman. We get a lot of posts here from people wanting us to do their homework for them, which typically get replies like the above. My guess is tha … -
Replied To a Post in Recursive method with static call
The pattern here is a recursive method with a number of obscure parameters that are involved in controlling and tracking the recursion. In order to make it easier to use, … -
Replied To a Post in How print following structure in java
Your code increases the number of asterisks by one on each pass of the loop because you are using ++ to add one to the variables that control the number … -
Replied To a Post in java.util.set
I have no expertise in Hibernate, so I can't answer your latest question, other than to suggest using a List, which will definitely be ordered. -
Replied To a Post in How print following structure in java
DaniWeb Member Rules (which you agreed to when you signed up) include: "Do provide evidence of having done some work yourself if posting questions from school or work assignments" http://www.daniweb.com/community/rules -
Replied To a Post in Virtual Methods In JAVA
The Java Language Specification does have "virtual methods" or "virtual functions" These are jargon from another language. If you have a question about C++ this is the wrong forum. -
Replied To a Post in java.util.set
option #2 is perfectly OK for this purpose. option #1 will also work, but makes it less clear that insertion order is important. No matter how you declare or refer … -
Replied To a Post in Virtual Methods In JAVA
The Java Language Specification does not have "virtual methods" or "virtual functions" These are jargon from another language. If you have a question about C++ this is the wrong forum. -
Replied To a Post in java.util.set
No. The order is determined by the precise type of Set that you create, not by how you declare the variable that refers to it. If you don't want to … -
Replied To a Post in java.util.set
In the first case all you are asserting about linksSet is that it is a Set. Anyone using linksSet will only be able to use Set's methods. Maybe later you … -
Replied To a Post in comparing characters
Ahha! Just seen the significance of those 4 letters. stultuske had the answer: they should be an enum, although there's no need to add the number because enums have a … -
Replied To a Post in comparing characters
chars in Java are numeric types - they are 16 bit integers that are used to represent characters in unicode. So its pefectly OK to compare them with > or … -
Replied To a Post in Love tester program help
another solution is to randomly shuffle one or both of the arrays of names. Then you can simply pair up boy[0] with girl[0] etc -
Replied To a Post in Help with grade calculation program
As you can see from the above posts, there's little tolerance here for people who just want someone to their homework. If you want to continue then please explain what … -
Replied To a Post in testing against a long variable.
literal numbers like that default to int. For bigger numbers append an "L" to indicate that you want a long value. -
Replied To a Post in Help with shortest path problem.
Just 3 cities - you can search all possible paths. TSP is only interesting when you get many cities. -
Replied To a Post in can someone help condence this code; recursive binary tree
Yes, if only one is null it will throw an NPE, so it's not the same. -
Replied To a Post in Data cannot be retrieved from a Resultset
I'm not familiar with DataSet. There's no such class or interface in the JavaSE 8 API. (Was it part of the annotation-based SQL stuff that was in the 1.6 beta … -
Replied To a Post in Data cannot be retrieved from a Resultset
The next thing to try is a better JDBC driver. That JDBC/ODBC bridge has always had problems, and I believe it's been removed from Java 8. Have you tried the … -
Replied To a Post in Data cannot be retrieved from a Resultset
> I did not unserstand the last quiz. There can be a problem if you have text with Greek, Arabic, Hebrew, or any other letters that are not a-z,A-Z. Java … -
Replied To a Post in Data cannot be retrieved from a Resultset
A little bit of research reveals that this is a known problem with 64bit OS and less-than-current verisons of Java and the JDBC/ODBC drivers. Are you running 64 bit? Thye … -
Replied To a Post in Data cannot be retrieved from a Resultset
What do you see when you print rss.getString(2) ? -
Replied To a Post in Data cannot be retrieved from a Resultset
> rss.getString(1) > Second column of my table is a type of varchar(10) For some perverse reason the ResultSet get methods use indexes that are 1-based, not 0-based, so getString(1) … -
Replied To a Post in Love tester program help
Was that a joke? If you have a compiler or runtime error message post the complete message plus the actual code it refers to. If your code is giving an … -
Replied To a Post in Love tester program help
> I've encounted some problems after I run the program You've been around here long enough to know that's useless as problem description! EXACTLY what "problems"? Don't expect us to … -
Replied To a Post in input to Server
Thats because the code that sends the result is in an if test that's only true for the second input. I would keep references to both ClientThreads somewhere in the … -
Replied To a Post in Need help please
It's not hard to test each char to see if it's a numeric or an operator -
Replied To a Post in input to Server
No, it's more like (just a sketch) while(true){ Socket clientSocket = serverSocket.accept(); new ClientThread(clientSocket).start(); } class ClientThread extends Thread { ClientThread(Socket clientSocket) {etc p v run() { PrintWriter out = … -
Replied To a Post in input to Server
After your `serverSocket.accept();` you need to start a new thread to handle that connection (pass the Socket object to the construtor of your new thread). Then in that new thread … -
Replied To a Post in Need help please
You're going to need some sort of parser that can separate numbers and operators -
Replied To a Post in Help in understanding and inter-reacting with real devices
What exactly are the error messages? -
Replied To a Post in Need help please
That's what you probably wan to do, but your code breaks up strings into individual chars, so the 20 gets broken up. -
Replied To a Post in AVL tree question
A bizarre answer... 1. This thread has been dead for 3 years, it's a bit late to answer ir. 2. That method doesn't return anything. In fact it has no … -
Edited Deathbycaptcha
Can someone help me with implementing the deathbycaptcha API into Denodo? Thanks -
Replied To a Post in Threading
Client-server automatically needs multiple threads. No matter how you do it at the very least you will be waiting for the local user to do something and simultaneouly waiting for … -
Stopped Watching multithreading in parallel in java
I am to create a program which creates multiple threads, has them do work in parallel, and terminates when the last thread is finished, sounds simple right? Here is the … -
Stopped Watching Html Tag occurence counter
I am supposed to complete an java assignment which satisfies the following constraints 1)read an .html file which is given as input(This is not an weburl) just an file stored … -
Replied To a Post in Adding handlers to buttons created with for loop
Yes, you add the actions in the simple loop, but you need to define all the actions one at a time. I think the idea of the original question was … -
Replied To a Post in Series
This looks like a case of premature coding. There's no way you will magically come up with the right code if you don't understand the algorithm it implements. The way … -
Replied To a Post in Adding handlers to buttons created with for loop
OK! We now have 3 Java 7 solutions to getting the value when a button is clicked, all sensible ideas, but all sharing the same issue that Violet spotted earlier …
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