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Member Avatar for mr.sweetchuck

Hi, I'm trying to use the replace() method to take out all instances of " " , (space) with an underscore, ("_"). I'm doing this because I'm using URLs to connect to a servlet. I keep getting this error: [code] replace(char,char) in java.lang.String cannot be applied to (java.lang.String,java.lang.String) url.replace(" ", …

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Which is the best book or site for learning JAVA perfectly? What should i install on my PC to learn programming in JAVA environment?? I dont know anything abt JAVA. I am just a beginner. please help me out thanks

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Member Avatar for mr.sweetchuck

Hi, I was asked to rebuild a compaq nc6000, (reformat disks, reinstall XP Pro and software) Since the rebuild I haven't been able to connect the laptop to the domain. I get the following error: <quote> A domain controller for the domain (DOMAINNAME HERE) could not be contacted. Ensure that …

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I am working for a small firm which is uses an XP/SBS 2003 backbone. Some of the users require off site access to their mail (exchange) and used webmail to do so. Unfortunately, there's a cert error. I think it's for two reasons. Firstly, the cert is issued by the …

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Member Avatar for mr.sweetchuck

Hi, recently I decided that I wanted to break away from just using the Windows OSs, (I'm an IT graduate and want to expand my tech base). I picked up a copy of Ubuntu and decided that the best way to go about it would be to partition my hard …

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Member Avatar for sushilover25_78

I am trying to figure out a way to write a program that takes the "digital product" of a number (has to be positive). Like if I had 123456789, it would take 1*2*3*4*5*6*7*8*9 which is 362880. It would then take 3*6*2*8*8 (leaves out zeros) which is 2304. Then 2*3*4 which …

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Member Avatar for mr.sweetchuck

I'm writing a Java ME app that will access servlets on a tomcat server, (version 5.5) and I'm having a problem. In my client I'm trying to use a HTTP connection to the servlet, like so: [code] if (command == select && currentForm == login) { HttpConnection connection = null; …

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Member Avatar for bluebird

Hello, Please help me! I have stored values ( many types of variables) in an arraylist. They are values of linguistic pattern, trigger word, relevant count, irrelevant count and total count , relevant rate, rank. Their length is different from one to another. For example, linguistic pattern may be such …

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Member Avatar for mr.sweetchuck

Hi I'm trying to write a multi-formed J2ME app. I keep getting a null pointer exception in the startApp() method. [code] public void startApp() { display.setCurrent(currentForm); } [/code] I have currentForm created above and the first is mapped to it, (with the plan of mapping each new from to currentForm. …

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Member Avatar for ajay_tabbu

hello friend i want to make java program to slove trigomeric eq but i dont know how to stare as i m new in java i don't 9 how trigomeric eq can slove bye java can u tell me how i should thikg logicaly i need u r logical help …

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Hi, I'm trying to write some code to connect my MIDlet to a database and I keep getting this compile error: package javax.servlet does not exist It does infact exists and I just can't figure out why I'm getting this error. :confused: What am I donig wrong? Thanks, chuck

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Hi I am trying to write a simple J2ME application, (I've only started learning it), and am getting the following error: Unable to create MIDlet null java.lang.NullPointerException at com.sun.midp.midlet.MIDletState.createMIDlet(+29) at com.sun.midp.midlet.Selector.run(+22) I don't know what's wrong. Any suggestions would be greatfully received. My code is as follows: [code] import javax.microedition.midlet.*; …

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Hi, I am writing a little GUI application and I want to set them up, so that they have a Windows look and feel. So far I can't seem to find anything workable.

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