32,204 Topics
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| | I am having a problem with my program it has NO syntax errors but when I right click the class the "void main String [] args" option dosent appear so I cannot test my program I have no idea what it wrong PLEASE HELP [code]import java.awt.*; import java.awt.event.*; public class … |
| | Like the title says I need help to display a doubly linked list in a forward order. No matter what I do, I can just get it to display in its regular reverse order. Here's the code: [CODE]public class DoubleLinkedList { private Node h; public DoubleLinkedList() { h = new … |
| | As the title of the question states, my program is not able to store an integer from a seperate text file provided. For instance, instead of printing the desired output: "$45.00 17 2222 Chuck Taylor All Star" It prints: "$45.00 17 0 Chuck Taylor All Star" So even though I … |
| | hi, I'm trying to insert values from a java page in to a mysql db the foll is the code [CODE] i1=st1.executeUpdate("insert into commissiondtls(CompanyCode,BranchCode,LineNo,PartnerCode,CustomerName,InvoiceNo,InvoiceDate,InvoiceAmount,ReceivedAmount,CommissionPer,CommissionPayable,PaymentRef,PaymentDate,InstrumentNo,InstrumentDate,BankName,BankBranch,CommissionPaid,Narration) values('"+CompanyCode+"','"+BranchCode+"','"+commissionDtlsmaxid+"','"+PartnerCode+"','"+CustomerName[i]+"','"+InvoiceNo[i]+"','"+InvoiceDate[i]+"','"+InvoiceAmount[i]+"','"+ReceivedAmount[i]+"','"+CommissionPer[i]+"','"+CommissionPayable[i]+"','"+Paymentno+"','"+Paymentdate+"','"+chequeOrDdNo+"','"+chequeDate+"','"+bankName+"','"+bankBranch+"','"+Amount+"','"+narration+"')throws SQLException"); [/CODE] this doesnot insert values or shows any exception,. what do u think might be the prob? pls help [CODE] public void CommissionDetailsSaveTransaction() { … |
| | In my previous post I asked the forum to help me make a race with an existing program I had made. I figured out a way to do this but now I got an error and I cannot solve it. If you need any additional information just ask ^_^  |
| | Hi I have an assignment to do where I have to make a race between two cars (this assignment is a continuation of a previos 'mini' assignment where I had to do the 'race' with one car). The commands that I implemented for the cars is foward (increases distance travelled), … |
| | Hello, all! I have a (hopefully) quick question: I have an array of 128 ASCII characters called blockData[] that I am trying to convert into a string. [code] for (int i = 0; i < 128; i++){ blockStuff = inFile.read(); blockData[i] = blockStuff; if (blockData[i] != 0){ String aChar = … |
| | So, I want to work with a some media files and try to do some really cool stuff. The problem is that I don't have any Idea of where I should start, my experience with java hasn't dealt with video or audio so I'm a bit lost. Does anyone know … |
| | i am new to Java and programming i just joined faculty of computer science and i am doing good but i think that all what i had until now isn't enough for my curiosity what should i do to master Java and become a Java expert and increase my programming …  |
| | ok so what i am trying to do is create a random int and save it into an arraylist and sum up the contents of the array list. then ask the user if they would like to roll again. any point in the right direction would be appreciated. so far … |
| | public class MyDeque { private int maxsize; private int [] queArray; private int front; private int rear; private int nItems; public MyDeque (int s) { maxsize = s; queArray= new int[maxsize]; front=0; rear=-1; nItems=0; } public void insertRear(int j) { if (rear==maxsize-1) rear=-1; queArray[++rear]=j; nItems++; } public void inserFront (int … |
| | Hi again............ I have got something new that........... i was using MS Access as the database with my JAVA Japplet.... In my applet i used JTextArea to display the output ..... The output to display is fetched from the database which is connected using DSNless connection as with connection string... … |
| | Hi I've been told that for the next term i must do a programming project of my own choice. Any ideas on how I can impress? |
| | Hello Everyone !! I read a program to create a simple moving banner from my book Java Complete Reference by Herbert Schildt, and after a few days I tried to make it myself from what I understood then.....but unfortunately mine doesnt work properly, even though I think I've done everything … |
| | 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 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 … |
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