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Java Programming | Forum profile
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Forum profile page for Java Programming on http://www.codeguru.com.
This report page is the aggregated overview from a single forum: Java Programming, located on the Message Board at http://www.codeguru.com.
This forum profile page summarizes the general forum statistics such as: Users Activity, Forum Activity, and Top Authors, which are reported in either a table or graph below for a given reporting time period.
Additional forum profile information for "Java Programming" on the Message Board at http://www.codeguru.com is also shown in the following ways:
1) Latest Active Threads
2) Hot Threads for Last Week
Warning: These statistics are generated using 'best efforts' and can experience delays and reporting errors at times. Please note that such statistics do not constitute a forum's popularity and/or exact posting volumes at any given reporting period.
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Posting activity on Java Programming:
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3 Months
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Threads:
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45
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226
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634
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Post:
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119
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610
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1,732
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Java Programming Posting activity graph:
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Top authors during last week:
user's latest post:
Help writing a java anagram solver
Published (2009-11-05 14:25:00)
Quote: Originally Posted by Jamais_Vu would there be a way to break the word into individual characters A word could be String containing the word characters. If you look at the String API you'll see a number of ways to access individual characters. Alternatively, you could use an array or ArrayList of characters. Quote: ... then find the words that use no characters other than those from the divided word? This is a logic question, not a...
user's latest post:
Merging two data file
Published (2009-11-04 09:26:00)
I've just noticed this is a duplicate of this thread
user's latest post:
Table locked and session was...
Published (2009-11-05 08:09:00)
Quote: Originally Posted by tarek.mostafa hey ProgramThis, First of all, thanks for your reply, i found the thread link you posted completely useful. You're welcome Quote: Originally Posted by tarek.mostafa hey ProgramThis, But what actions by users can lock a table in the database?!! everything i read explained that oracle databases is designed in order not to lock any tables. You are confusing locking the table at the database with...
user's latest post:
Help making a driver
Published (2009-11-05 09:08:00)
Are you getting confused on the name 'driver' and stumbled on this. Think of it this way: "Write a third class, which inside of a main method, will create some students and put them into groups". That shouldn't be very difficult, right? That's the basic idea. Then you can extend it to something like "Write a third class, which will allow you to manage students and groups" , so you will...
user's latest post:
Java IO problem
Published (2009-11-02 12:10:00)
Q1: Sorry dlorde could you explain to me how does private static final String NEWLINE = System.getProperty("line.separator"); this work Q2: Scanner abbrFullName = new Scanner(""); if (abbrFullName.hasNext()) { word = abbrFullName.next(); } If Scanner is "" how did you scan for the abbreviation? wouldnt word = abbrFullName.next(); be nothing?
user's latest post:
Help writing a java anagram solver
Published (2009-11-05 21:14:00)
Ok, I think I have a java specific question that hopefully you will be able to answer. My new strategy is to take the input word and put it into an array of characters (which I have accomplished). Then, the program will start going through the dictionary of words. The first word will be taken and also put into a character array. So, the question I have then is how would I go about comparing the two character arrays, to determine if the...
user's latest post:
Queue problem
Published (2009-11-04 15:06:00)
Actually I got it work. Thanks so much for the help! I changed the method itself too because there was a logical error. It was so stupid but I have to do it the way the teacher want.
user's latest post:
Videos not playing when building...
Published (2009-11-04 14:21:00)
I made a few smaller programs with a single purpose of playing a video file, and they also failed to work when building the project. I've followed the JMF instructions to the letter but I'm not going to give this any more effort. I created another program which the purpose of just playing MP3s which uses another .jar addition and that works fine. So it's a problem with fobs/jmf specifically. My workaround is using a users...
user's latest post:
calendar help
Published (2009-10-31 15:31:00)
alrighty... what about making a loop to line up the number with the correct day...for example if the 1st of the month is a wednesday... how would I make the number '1' start under wed?
user's latest post:
scrolling background
Published (2009-11-02 18:44:00)
Alright, I understand what you are saying. Thanks. That should not be too hard to do.
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Latest active threads on Java Programming::
Started 5 days, 6 hours ago (2009-11-04 18:24:00)
by dlorde
Forget the Java until you have figured out an algorithm (i.e. some procedure) to generate the different permutations in a sequence of characters (the word). This is a simple exercise in logic, not a Java problem (you can probably find such an algorithm online). When you have worked out an algorithm on paper that will generate all the possible arrangements, then you can think about translating it ...
Started 4 days, 14 hours ago (2009-11-05 10:15:00)
by Londbrok
Write a widget that listens to System.in, respond to the keys you choose, eg. left and right arrow. Write the next resulting text with the right word bracketed to the System.out. Not sure, but you may be able to clear the console with System.out.flush()
The widget could be made using eg. Scanner. Widget would have a " selection method", in which it loops the possible options with arrow keys, ...
Started 5 days, 10 hours ago (2009-11-04 14:00:00)
by ProgramThis
You should read this thread from these very forums. You should always check if there is a thread similar to yours before posting.
That being said, it is never a good idea to connect directly to your database from the JSP, especially if you are doing it client side via JavaScript. If you are having problems with concurrent users, you DEFINITELY do not want to do this. A database connection...
Started 5 days, 6 hours ago (2009-11-04 18:15:00)
by dlorde
Do you realise your two-argument getStudent method actually sets the specified student?
Show us the code you have so far for the driver class - given the code you've already posted, you should be able to write most of it - exactly which bit is causing you problems?
We think too much about effective methods of teaching and not enough about effective methods of learning. No matter how...
Started 5 days, 5 hours ago (2009-11-04 19:00:00)
by dlorde
[correction]
Have you counted all your parentheses?
We think too much about effective methods of teaching and not enough about effective methods of learning. No matter how good teaching may be, each student must take the responsibility for his own education...
J. Carolus S.J.
Started 4 days, 18 hours ago (2009-11-05 05:37:00)
by dlorde
Quote:
Originally Posted by David2010
If a java applet main function has to extend java.applet.Applet then how is it possible for me to make multiple files and have multiple inheritance?
The question is nonsensical. Methods (functions) can't extend classes, the Java Applet class doesn't use a main method, none of ...
Started 1 week, 1 day ago (2009-11-01 09:33:00)
by Martin O
Quote:
Originally Posted by goldest
Even though when I set my path to C:\j2sdk1.4.2_12\bin
That should have worked. One possibility is you need to re-start your command prompt after setting the path. JAVA_HOME shouldn't make a difference. Before you type 'java -version' type 'echo %PATH%'. Make sure java doesn't ...
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Hot threads for last week on Java Programming::
Started 2 weeks, 3 days ago (2009-10-23 12:18:00)
by keang
Your program jar will contain a manifest file and that manifest file will need to contain a classpath entry specifying the other jar files. A basic manifest file looks something like
Code:
Manifest-Version: 1.0
Main-Class: mypackage.MyProgram
Class-Path: lib/RequiredJar1.jar lib/RequiredJar2.jar
There are a lot of optional lines that can be in the manifest but you will ...
Started 5 days, 6 hours ago (2009-11-04 18:24:00)
by dlorde
Forget the Java until you have figured out an algorithm (i.e. some procedure) to generate the different permutations in a sequence of characters (the word). This is a simple exercise in logic, not a Java problem (you can probably find such an algorithm online). When you have worked out an algorithm on paper that will generate all the possible arrangements, then you can think about translating it ...
Started 1 week, 1 day ago (2009-11-01 09:33:00)
by Martin O
Quote:
Originally Posted by goldest
Even though when I set my path to C:\j2sdk1.4.2_12\bin
That should have worked. One possibility is you need to re-start your command prompt after setting the path. JAVA_HOME shouldn't make a difference. Before you type 'java -version' type 'echo %PATH%'. Make sure java doesn't ...
Started 1 week, 2 days ago (2009-10-31 15:17:00)
by dlorde
Quote:
Originally Posted by hugo84
Hi i need help.. i have not been able to sovle the max_linewidth problem to print out properly
So you want to know how to limit the output so it isn't greater than max_linewidth ?
Every time you have a word to print, get the current length of the line, add the length of the ...
Started 5 days, 18 hours ago (2009-11-04 06:26:00)
by dlorde
You don't need to create your own class to hold chars - Java has a Character class for this. You really should be aware of such basic Java before you start writing code, or you'll struggle to progress.
You don't need to write your own Queue class, either. Java has a variety of queue classes based on the Queue interface.
If you must implement your own queue class, it is advisable prefer ...
Started 1 week ago (2009-11-02 09:38:00)
by ProgramThis
I can't open up the pic you presented (blocked at work) but can you actually see the DOM element id for the time/date field? When you try to pull the element, are you doing it in a servlet or script?
getElementById("")
If you are doing it in a servlet, are you using:
request.getAttribute("time")
or
request.getParameter("time")
Started 6 days, 10 hours ago (2009-11-03 13:44:00)
by keang
Please use code tags when posting code.
The problem is down to an extra opening curly brace between the class declaration and the main method, and presumably there's and extra closing curly brace at the end of the file.
Started 1 week ago (2009-11-02 13:57:00)
by Deliverance
Another thought is to add some objects that move on the screen that have a negative depth in terms of z so they appear to be behind the main scene, and they are moving at a random function of time (their position relative to y change if it's top-down or x position if it's side scrolling). Each time your re-paint is called (which is very often) they are re-drawn to their new coordinate location
Started 5 days, 5 hours ago (2009-11-04 19:00:00)
by dlorde
[correction]
Have you counted all your parentheses?
We think too much about effective methods of teaching and not enough about effective methods of learning. No matter how good teaching may be, each student must take the responsibility for his own education...
J. Carolus S.J.
Started 5 days, 10 hours ago (2009-11-04 14:00:00)
by ProgramThis
You should read this thread from these very forums. You should always check if there is a thread similar to yours before posting.
That being said, it is never a good idea to connect directly to your database from the JSP, especially if you are doing it client side via JavaScript. If you are having problems with concurrent users, you DEFINITELY do not want to do this. A database connection...
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