35,618 Topics
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| | hi i m mateen frm india i have a problem with my java compiler i want to know how to set the path of compiler and how to execute the program i have already installed the java software someone answer to my question and help me out  |
| | Hello I am trying to use a MySQL database and connect to it using a Desktop App. I need to have it embedded and I am using netbeans and I am connected to the database I am also in the admin console for glassfish. I tried setting it up once … |
| | Hi people, Im trying to handle an exception in my servlet by res.sendRedirect to another page..but it is not redirecting to the page i want, instead its going to a HTTP Staus 500 error page detailing the full stack trace..can someone tell me what might be wrong here, ive attached … |
| | Hi, I'm trying to do something pretty straightforward (I think) but it's not working for me for some reason. Basically trying to create an object with an ArrayList as a attribute but i keep getting numerous errors saying '<identifier> expected', '; expected'. My code is as follows: [CODE]import java.util.ArrayList; public … |
| | This is my first working java game. I am thrilled it works. What I want to know is.... what can I do to improve it? I would like to use a simple datebase to collect every possible combination of computer names. I would like to collect new information every time … |
| | i have this problem with regards to java data the problem accepts input number and then output the sum of the square from 1 to the n(1 to the no. input) thus, if the input is 4 the output should be 288 because: 1 raise to 1 + 2 raise … |
| | Hi I'm a java intermediate student, I have been studying java for two years. I just wanted to offer my help to those students that are currently struggling with java in general, or those who need help on an assignment. Lately I have been ahead of my class so I … |
| | hi I use log4j framework for logging my program. i insert log4j.xml in my project an test it. everything was ok and logfile correctly was put in path. but when i made jar file and copy it to linux and run it it return error [CODE]log4j:ERROR Could not open [log4j.xml]. … |
| | Ok heres the problem Im working on a final project for a java course and one thing is blocking my path. import java.util.*; public class Controller { public List<CrewMember> list = new ArrayList<CrewMember>(); public void addItem() { CrewMember cm = Academy.load( MenuUtil.getAString("Enter the role: "), MenuUtil.getAnInt("Enter the id number: ")); … |
| | Hi, I'm a bit new to java and I would like to make a program that save's and load the saved data that the user had inputted in my java program. For example I done a sort of a Bank System and when I close my program and restart it … |
| | Hi basically I'm current doing a connect 4 program that consist of 3 separate programs Connect4Model, Connect 4 Column and Connect4View... I'm trying to compile and run my connect4View program but for some what reason I'm unable to do so. Below I have supplied the code for the 3 programs. … |
| | hi, i just need to pass the value from my html page to my servlet...it is not working...pasting the code below.. [CODE] <html> <head> </head> <body> <form name="frm" method="GET" action="http://localhost:8080/connect/ConnectServlet.java"> <input type="text" name="txtName"> <input type="submit" name="btSub"> </form> </body> </html> [/CODE] my Tomcat is running and i am able to run … |
| | Hi guys.. I am having some problem with snake game project using JAVA Applet. I already have the sour code of a snake game from my friends, but I failed to make it functions probably under a JApplet. I need to do a similiar UI like click a start button. … |
| | Hi i just have a question, i was doing the pass midterm the question is asking that " Write a class Jacket, which has a boolean instance variable isReversible and a static int variable numJackets. There are no methods " correct Ans: public class Jacket { private boolean isReversible; private … |
| | Hi guys, i need some help with a project, I need to print a table showing the numbers 1 - 10, thentheir factorials, i also need rthe sum of the numbers and the sum of the factorials:\ Number Factorials ======================= 1 1 2 2 3 6 4 24 5 120 … |
| | I was trying to figure out how to access variable values out of a class. if class x.java hold all the values can class y.java use getClass(??); to get values without making a new class instance(which will erase everything?). then class z.java access it later to get the values likewise? … |
| | Ok, I know most of you will read this and think I am a liar, but I am really just trying to practice with multiple classes and methods. So I picked out a programming challenge from my book to see if I could get through it. I wrote the class … |
| | Hey lads, Firstly apologies for the long message. I just thought it might be easier to explain my issues. I'm doing a website for myself and have been getting some amazing info from this forum. I've moved onto the database part to it. Now, for my website, user can sign … |
| | I keep getting NoClassDefFoundError so I cannot check if the rest of my program works. It works on the school computers but it does not at my house. I set up the path and classpath variables how my teacher told me for derby but it still will not work, any … |
 | Basically, I am having trouble figuring out how to work my if statements. The only one that works is the final statement and that is due to it not having the [CODE]if("#".equals(e.getActionCommand()))[/CODE] statement. So, how should I go about allowing the user to select the quantity in the combobox and … |
| | I am designing a cinema system I want to call a another class which has a arraylist method and then display the elements inside the arraylist. Please help I made two sample classes [CODE]Class cinema() . . . . public ArrayList<time> getTime() { for (Show show : getTime){ } return …  |
| | hi........ can anyone tell me the connection strings to connect JAVA JAPPLET to sql server 2005 database and also the execution of SQL statement in java thanks  |
| | Hi Guys, I am trying to create a game of a two way traffic with a human trying to move between the cars to the other side without being hit by a car. I can detect the collisions, but the main problem is my cars don't move. what maybe the … |
| | Hi I am trying to return a boolean value into another method, but it's not working. [CODE] public static boolean ItemFound(boolean item, String desc1, String desc2, JTextArea txt){ if(item == true) txt.setText(desc1); if(item == false){ txt.setText(desc2); item = true; } return item; }[/CODE] and inside the other method I have … |
| | Hello. Can someone explain what this InitialContext(): is looking for? [code] public JDBCSchoolofdbDAO() { try { Context initCtx = new InitialContext(); Context envCtx = (Context) initCtx.lookup( ModelUtils.getResource("JavaCompEnv")); dataSource = (DataSource) envCtx.lookup( ModelUtils.getResource("DataSource")); } catch (NamingException x) { ModelUtils.log(x); throw new InternalError(x.getMessage()); } } [/code] [code] DAO=schoolAppModel.dao.JDBCSchoolofdbDAO #///////////////////////////////////////////////// # DAO=jsfdb.model.dao.JDBCSubscriberDAO #///////////////////////////////////////////////// … |
| | My assignment is as follow: Create a class IntegerSet. The IntegerSet can hold integers in the range [1-100]. Define one or more instance variables to represent IntegerSet properties and store elements. Additionally, provide the following methods: a. One or more constructors. b. Method void add(int) inserts a new element to …  |
| | Hi, I got this piece of code from this forum and i was trying to modify it so that I can make it dynamic. I modified it a little bit to add multiple collapsible panels. But I need some help. 1. I need to add these panels dynamically. If I … |
| | Dear Guys I want to start creating mobile based applications and i am newbie in this field , where should i start , how to create a simple application jar file which can run on mobile devices , for example a simple interface with buttons , sound handling , graphics … |
| | (Payroll) Write a program that reads the following information and prints payroll statements in show message dialog box. These are the inputs: Employees Full Name (e.g. Mohammed Al Zakwani) Numbers of Hours worked in a week (e.g. 40 hours) Hourly Pay Rate (e.g. 6.75) Federal Tax withholding rate (e.g. 20%) …  |
| | G'day, My problem is not one that is overly complex but i have been unable to find a simple solution to my problem. My problem is that i have my given form with two submit buttons, for which I'm using images. Once i click on the images, how do i …  |
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