brianlevine

I'm getting an error that I don't understand. It's a Null Pointer Exception, but neither of my arguments in line 118 is null. According to the documentation, ImageIO.write will throw a IllegalArgumentException or an IOException, but it isn't throwing either. I'm not sure what could be null here. You can …

I am Trying to write a Java Program that animates 4 arcs to make it look like a moving fan. As of now I have the arcs drawn and Im trying to make buttons for my slow, med, fast and off settings Im getting the following errors: DrawArcs.java:6: cannot find …

I'm having trouble getting ant to delete files. I'm working through a basic spring tutorial and it has included an ant target to clean the build: [CODE] <target name="clean" description="Clean Output Directories"> <delete> <fileset dir="${build.dir}"> <include name="**/*.class"/> </fileset> </delete> </target> [/CODE] It seems pretty basic to me, but it's not …

Hi there, I'm unable to run the demos java files. I followed the ways according to the prefuse tutorial. It says, 1) Go to "build" folder 2) Launch demo of interest java -cp prefuse.jar:demos.jar prefuse.demos.<name of demo here> and I inputted e.g. java -cp prefuse.jar:demos.jar prefuse.demos.TreeMap.java Please advice. [COLOR="Red"]*Screenshot Attached![/COLOR]

[QUOTE]Can anyone help me what would be the best way to transform a text file data into a trendchart... using a Jpanel! The data file would have the type of errors and the quantity that each error has appeared... Then in the Jpanel would get the trend chart composed by …

This class is moving too fast and I only know simple Java programming so far, but we're getting into multiple classes for this savings account program. If anyone can do this I will spam +rep on your for the remainder of your DaniWeb life. ---Data • the identity number for …

I wish to ask How many editors are there in Linux and which editor is set by default, also wish to know is it mandatory for a web developer to learn LINUX, Kindly help

Hello, I’ve just found an amazing list of 350+ web directories to submit your website into, to increase number of visitors to your website into thousands… [url]http://www.scriptinn.com/misc/submission_directories/[/url]

I am writting a program that takes in a number that ranges from 0-255 from an input file and a chip number, then I have to do a CDMA encoding on it. I am having a couple problems with the seeded random number generator. I need to have a 4 …

Hey guys! I'm trying to build a program that will evaluate boolean expressions. For example: a>(b>(a^b)) or maybe ¬a>(a^b). It doesn't really matter if you know boolean logic or not since i'm ok doing the calculations. The only part i'm struggling with is parsing the formula. I need to read …

Hi Folks:) , Problem: how to run unix "find" Command in Java Program using Cygwin Environment. I have been using the Runtime & Process classes to run the unix commands in java program,i can able to run the grep ,cat command etc.. But i Couldn't able to run the "find" …

HI my project involves making an index structure for a corporate or intranet. hence i need to store the urls in one file and then one by one count the frequency of a pre-specified word in each of these urls. i haev already made a package containing classes to count …

Hi I was hoping somebody could help me I have installed the s60(nokia) java on my laptop and i am trying to get the helloworld program running. The javac and preverify are working. But when i go to the directory for the program helloworldplus i am getting 32 errors when …

I am working on a program that reads in a text file as a command line argument, then goes through the file, breaking the file down into strings, special symbols (such as .:!;?) and integers. The program stores each type into its own collection. I have all the collection methods …

Hi, i am currently working on a java assignment which require me to create a binary search tree and then get the value of the deepest node which refer to the last level of the binary search tree with level by level traversal. I did the insertion and level by …

Hey, I have a program that has to draw a polygon, then apply a recursive function that fill the polygon with a color. Unfortunately, I cannot use the fillpolygon() function, but have to make my own function. I have developed a code for any small polygons. But if I apply …

Hi I have a program that has a JTree that lists of all the directories on my computer. I also have a JList in and an add button. Now I am trying to select or highlight a directory in the JTree, click the add Button and then update the JList …

# If balance is private,[B][U] what is the upper bound on the number of lines of code [/U][/B]which must be examined to make the change to the Account class? \ What is the "upper bound on the number of lines of code" referring to?

The situation is the following I used phpmyadmin 2.11.5 on localhost when creating databases, but I have phpmyadmin 2.11.6 installed on my hosting account. I am planning to upload databases to hosting really soon and I have some questions about uploading databases to hosting. Can phpmyadmin version difference cause any …

hi guys i like to open as many frames user wants to open, i mean they can keep clicking the button and i like new frame keep opening. so this is something i got, now i know i have to use int to keep track of how many frames are …

Hi there folks. I have an app that has several classes but for some reason one of these classes isn't giving me a return value. What I want to check is whether or not this code will return the expected string... [code] String seatLayout; public String showAllSeats(String flightNumber){ fn = …

I was just wondering how those of you with large communities handle site searches? With very large forums, even MySQL fulltext isn't good enough, nevermind the search feature built into software like vBulletin or phpBB. Anyone play with [url]www.sphinxsearch.com[/url] or something similar? Or are we all switching to Google's CBE …

Hi, everyone. For my programming homework, we have to write a code based on the Soundex algorithm that is used by New York State Immunization Information System. Here are the instructions/rules:[url]http://www.cis.temple.edu/~ingargio/cis67/homeworks/homework6f08.html[/url]. My problem is that (besides having no idea what to do) I have an infinite loop somewhere in the …