35,619 Topics
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 | Hello Everyone, I am experiencing errors when trying to compile a project in Java 8. The errors are caused by swing components. The code I am using is the following: import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class Main2 { public Main2(){ JFrame f = new JFrame (); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setSize(100, …  |
| | Write a Java™ application using NetBeans™ Integrated Development Environment (IDE) that calculates the total annual compensation of a salesperson. Consider the following factors: A salesperson will earn a fixed salary of 60,000 dollars. A salesperson will also receive a commission as a sales incentive. Commission is a percentage of the … |
| | Hi i have an assigment that is giving me a hard time . I want to make a media player in java by using netbeans Can anyone give me an efficient way to do this assigment. please help me shoaib in java [Click Here](http://www.daniweb.com/software-development/java/9/contribute) |
| | Is it possible to OCR an image using java? Any links to logic or examples or APIs would be appreciated.  |
| | I need to crearte pdf file from database table using java with multiple rows and column format design . |
| | Hi , Can anyone point me to fillPolygon source code , In Graphics.java it is declared as abstract class . - Nataraja G |
| | hi everyone system.out.println("thank you all for the birthday greeting!!!!!!!!! much appreciated.) hi james it has been quite a while. sorry that I had upset u the last time I was here. I am trying to build a payroll system for a community college in java. and the calculation is off. …  |
| | Hello guys, I'm trying to add an object called product into an ArrayList of orders. I'm getting an error: no suitable method found for add(Product). Did I miss anything? This is my addOrder method: public void addOrder(ArrayList<Order> orders, Product product){ orders.add(product); } I've passed the ArrayList of orders and the … |
| | Square A square is a specific two-dimensional shape. Square should be implemented as a subclass of TwoDimensionalShape, a concrete class. A square has equal sides in both dimensions. This is how to create a square: public Square( int x, int y, int side ) /* use super constructor to set … |
| | Could someone please look at my ose and let me know where I may be going wrong. The problem to solve is define a class Odometer that will be used to track fueland mileage for an automobile. The class should have member variables to track the miles driven and the … |
| | Hello guys! I'm trying to call a method in main called "buyProduct" which displays all products to the user. I' a getting a NullPointerException though. Here's what I have: public static void main(String[] args) { OnlineShopping shop = new OnlineShopping(); ArrayList<Cart> carts = new ArrayList<Cart>(); ArrayList<Order> orders = new ArrayList<Order>(); … |
| | i did a simple interface programme where one interface extends two interface.so,no error is showing,but no output is showing..here is the code.. interface a { int add(int x,int y); } interface b { int mul(int x,int y); } interface c extends a,b { int div(int x,int y); } class d … |
| | I have a arraylist which i want to store in database.I am using preparedStatement so how can i pass my arraylist as parameter to store it in database. my code is: public void insertEnquiryRecord(StudentEnquiryEntity enquiryEntity) { // TODO Auto-generated method stub System.out.println(" hi from vivek.."); ConnectionFactory connectionFactory = null; connection=connectionFactory.getConnection(); … |
 | i am getting the value of button by request.getParameter and comparing by .equals.....but the values are not getting stored in the database(it is not entering the if condition)...hoping for a solution.  |
| | Hello , When we do an XOR operation between two rectangles ( one is completly inside of the other ) output in GPC & Clipper is something like , exterior Rectangle + a Hole ( which is interior Rectangle ) for my application output has to be a set of … |
| | Hello guys! I'm working a project and it seems that there's something wrong with my switch-case. For example, in the user menu, the user can input the number 2 then it would allow them to deposit, but somehow, it keeps displaying the first switch-case. switch(resp){ case 1: users.get(0).displayProfile(); users.get(0).editProfile(); break; … |
| | hi everyone ! I'm working on a network strategy game with 3 components one reffere will define the mission and 2 players will make moves and attacks in a turn based way . in the end of each turn , the reffere will generate a rapport of each player action … |
| | I am working on an 8 queens problem, I am to place all 8 queens on the board before figuring out if they will attack one another. I am attempting to do this using a 2d array. How do I create random queens (1's) for each row, but making sure … |
| | Hello , Can anyone give me an efficient way to do Rect/Polygon filling as below/Attachment .   as of now I'm drawing lines & single pixel rectangles to do this and my application has slowed down so I'm looking for an alternative . This is an extension … |
| | i have this code to make sodoko board with 9*9 cells(button cells ) but i cannot made all Jpanels contain my buttons i made the first Jpanel only import java.awt.Color; import java.awt.GridLayout; import java.lang.reflect.Field; import javax.swing.BorderFactory; import javax.swing.JFrame; import javax.swing.JButton; import javax.swing.JPanel; public class Sodoko extends JFrame { private Sodoko() … |
| | Can anyone help me out ?....... I have written a code for a form. the first five fileds in the form must be filled automatically by capturing the user id from login page. I have been able to capture the data and print it on the screen But, Iam not … |
| | Hello all, Need help with a little assignment in java assignment : user inputs sentence, replaces all lowercase letters in string to uppercase, and vice versa. ive created for (int i = 0; i < s.length(); i++) { if (Character.isUpperCase(s.charAt(i))) { to DETECT if there is an uppercase letter found … |
| | Hi, can anyone pls help to understand why its throwing class not found error, i am trying to learn how JWS works. i just followed this blog, though every thing looks ok.Attaching the files as well. http://examples.javacodegeeks.com/java-basics/web-start/java-web-start-getting-started/ Pallab |
| | Hi Anyone uses Bootstrap?...Which version of JSF compatible with Bootstarp? Thanks Sabari |
| | ok well i just started with Java and i have an assignment that is giving me a hard time what i'm supposed to do is take an entry number(int) and then arrange its digits in an ascending and a descending way, the problem is i don't know much about arrays … |
| | Hi All need discussion upon server application  |
| | Hello All, I want to sort my list order by sno. This is my code, List<Employee>list=new ArrayList<Employee>(); Employee class has fields, one of field is sno (its String type); this field values are like this format 1.2.1 1.2.3 1.5.5 1.5.3 I want to sort this serial no. I used comparator … |
| | I have a class that implement all my workflow method. At some pointing time, when the request is approved by the workflow, I need to update status in database. For this I need to call the respective service class to save the status. The following method is saving the status … |
| | I want to remove the specific nodes from xml file under song tag whose id =2 from the following file in Android (Java): <music> <song> <id>1</id> <albums_id>1</albums_id> <title>Someone Like You</title> <artist>Adele</artist> <duration>4:47</duration> </song> <song> <id>2</id> <albums_id>1</albums_id> <title>Space Bound</title> <artist>Eminem</artist> <duration>4:38</duration> </song> <song> <id>3</id> <albums_id>1</albums_id> <title>Stranger In Moscow</title> <artist>Michael Jackson</artist> <duration>5:44</duration> … |
| | i have these buttons what i wanna do is when i press any of them change the button name to "Ouch!" import java.applet.Applet; import java.awt.Button; import java.awt.Color; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class sudokou extends Applet { Button num[] = new Button[9]; int x, y, i, j, n … |
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