32,207 Topics
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| | getting following error: incompatible types: vmpr cannot be converted to JFrame JFrame VendingMachine = new vmpr(); import java.awt.Container; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JLabel; import java.awt.*; import javax.swing.*; import javax.swing.JFrame; public class vmgu extends JFrame implements ActionListener { public JButton button[]; public JLabel label; public JLabel label2; public …  |
| | I need to create stateful web pages consisting of various forms to be filled up by the user. I want to make UI tools look something like that DOJO framework provides. My problem is what tool is better suited for this type of website?? DOJO+JSP ? (but i'm confused about … |
| | hi guys remember that I had a game to build and was asking for help, well I spoke with my lecture and the game what I was talking about is more or less a program. it is a Java multiplication table math game but I have to build it like …  |
 | Hi I wonder if anyone can help please. I am stuck after unmarsheling complex type from JAXB in my web service operation. I can successfully unmarshal and loop through it which is fine however i am performing a search and want to return all the elements that match the search. … |
| | I have this hex code and i want to convert to binary. 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 but I don't know how to convert this kind of data. Thank you in advance. |
| | Hi guys I have no idea how to go about this but I would like to create a form that displays results in the text area . For example if a user fills up his/her details on the form and clicks the submit button , his/her information would be displayed … |
 | I need to calculate the digest value of the x509certificate and insert the siging process time. The signature format is XADES-BES  |
| | Hello, I'm new to the DaniWeb community and I am in need of some serious help. I am taking a web design class, but the teacher I currently have now has no idea what he is doing; he is an Info Tech teacher, but we have two classes at the …  |
| | I could use some assistance My final project in a python class is to calculate the distance between 2 lat/long points. My code is really just managing the input & output portions, while using existing code (properly credited) in a function to do the actual calculations. I've got it working … |
| | hi guys how are you all, I sincerely hope that you all christmas is shaping up very good. I am doing my individual assignment, yes another one, a take home this time, I am to implemented a payroll system into a company using a for loop and which i did. … |
| | Below is the question from a core java interview. Could somebody please help me? There are designation and employee objects. Designation Employee Designation object --> Designation object is in employee ArrayList<employee> emptemp = new ArrayList<employee>(); emptmp.add(R1); emptmp.add(R2); .. .. .. Now we need to write an helper class or utility …  |
| | HELLO guys IM beginner using java IM asking what is my problem of my codes?? can you fix it?? import java.applet.Applet; import java.awt.Color; import java.awt.Graphics; public class invalid3 extends Applet implements Runnable { /** * */ private static final long serialVersionUID = 1L; private int x0 , y0 , incx … |
| | I am doing this assignment in my Java class. I have never done any programming in my past so I am a complete beginner. I have typed up a program that will ask for employee name, the hourly rate, and the number of hours worked. The program needs to run … |
| | My program compiles with no errors, but when I try to use it, the results do not show up and there is an error. Please help!!! import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.text.*; public class RetailSales extends JFrame { // declarations Color black = new Color(0, 0, 0); Color … |
| | How do i put a flag on location that the user right click on it. and how do i put an img to all mine in game board when game is end? I try to put an img but wont work? How can i fix it? here is what a … |
| | Can someone please! Fix this for me? My program : loop reads 10 double numbers after that inserts them into an array list. after that print MAx and MIn And AVg THIS MY PROGRAM WHY I CAN NOT MAKE COMPILE Fix this for me : import java.util.Scanner; import java.util.ArrayList; import … |
| | Is string primitive value in java? What is difference between primitive value and primitive data type in java? Thanks in advance. |
| | Row 1[ item1, item2, item 3, item 4, item 5, item 6, item 7, item 8] Row 2[ item1, item2, item 3, item 4, item 5, item 6, item 7, item 8] Row 3[ item1, item2, item 3, item 4, item 5, item 6, item 7, item 8] Row 4[ …  |
| | Example of problem: Pattern one is: 1, 10, 1: 1 Pattern two is: 10, 10, 10: 0 From this extremely simple pattern we will know that a small value followed by a large increase and then a large decrease means it is a 1. Otherwise its a 0. Using something …  |
| | hii I have a list having m1 m2 m3........ m922 and in each there are a1 a2 a3 a4 are there like m1=a1 a2 a3 a4 a5 a6 m2=a1 a2 a3 a4 a5 a6 m3=a1 a3 a5 a7 a8 a2 etc and i want this as m1=a1 a2 a3 a4 … |
| | Hello i need some help on what to add to the following if statement for the out put to read the value of sum times the actual number of sum: public class ICMA42 { /* instance variables */ private int alpha; private int bravo; private int sum; /** * Constructor … |
| | public class ICMA42 // instance variables - replace the example below with your own private int alpha; private int bravo; private int sum; /** * Constructor for objects of class sum which initialises sum to 0. */ public ICMA42() { this.alpha = 0; this.bravo = 0; this.sum = alpha + … |
| | Following Error is shown well going to DGFT India Site. How to Resolve ERROR WHILE SENDING OUTPUT access denied ("java.net.SocketPermission" "164.100.128.143:8100" "connect,resolve") |
| | Hey Guys, I am building app using a huffman tree, and am building this java program to just test a few things and I am having some trouble. I have everything working except that I am having troble decompressing a huffman string back into the original string. I would appreciate … |
| | Is there a way to calculate large numbers without using BigInteger? I am calculating an exponent without using the math class. |
| | I am having problems with it continuous loop at the end of the program. Any help would be appreciated. Thank you. Below is the coding so far. [CODE]import static java.lang.System.out; import java.util.Scanner; import java.io.*; public class Investment { public static void main(String[] args) { double principal = 0; double interest … |
| | hi all I have a question. I am still trying to build this game/program but I declared a console and was told to import it which i did, the problem is that I am constantly getting an error line underneath the console, can u guys tell me why is that. … |
 | Hi, If you look trough my code you can see that i have tried to print out some values (the mean value) with a scanner from a csv file with the help of an enhanced for loop (the absolut last loop) and it gives me NaN (not a number). And … |
| | I am trying to convert my code into generic and I get an error at o1 + o2 stating that cannot find symbol for o1 and o2 then bad operand types for binary operator on the push(pop()+ pop()). public abstract class MyStackGeneric <E> extends ArrayList <E> { protected abstract E … |
 | Hi! Newbie Java Programmer here! I've done a cash register program. this error's pretty unusual to me. i dont know how to fix this. import java.text.*; import javax.swing.*; import java.awt.*; public class CashRegisterV1 { public static void main (String[] args) { DecimalFormat fix = new DecimalFormat("0.00"); //QUANTITIES int Nido = … |
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