31,001 Topics
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| | public class Test { public static int f1( int m1 ) { return ( m1 + 1 ); } public static double f1( double m1 ) { return ( m1 * m1 ); } public static void main( String[] arg ) { double x1, x3; x1 = 2.0; x2 = …  |
| | I am little confused about @Repository in spring.does it define any class? suppose i've done @Repository("TryDao").. does it want to say class TryDao,i.e TryDao.java ??plz clear my confuse..  |
| | this is a code for an input window that takes in data from users i tried to save whatever data the user put in in axml file but it is giving me errors...what is wrong with it...help /* * To change this license header, choose License Headers in Project Properties. …  |
| | I have followed all the tutorials, but still I have a problem that I can't get an object from a form to the controller using Spring MVC. What might be the case? I am using Thymeleaf to format my jsp pages. <!DOCTYPE HTML> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>Getting Started: Handing Form … |
 | Hello to all! I have learnt VB.net and used IDE Visual studio 2012. Know I have started learning java. But I have a confusion that can Java be used with .NET frame Work? If Yes then which IDE is required for this. As we know that for VB.Net, C#.Net and … |
| | I have followed all the tutorials, but still I have a problem that I can't get an object from a form to the controller using Spring MVC. What might be the case? I am using Thymeleaf to format my jsp pages. <!DOCTYPE HTML> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>Getting Started: Handing Form … |
 | I am creating a couponing app where coupons are stored in a database and compared to local ads to let users know when to use the coupons. I have created a database that holds all of the coupons and also one for the user's personal library. I am having difficulty … |
| | Hello, For some reason javac errors when I import any of the Apache-Spark classes. I've gone through a number of setup guides to see if there's some environment variable I'm missing, but most don't have a step where an environment variable is set. Anyone have a clue what I'm missing? … |
| | Hi, I have to print the following pattern and I am having difficulty in figuring out how exactly should the looping work. The Following is the Pattern that I need * * * * * * * * * * * * * * * * * * * * … |
| | i have a jtable calendar program and i want the user to be able to click on the dates and i wrote a mouse listener and added it to the jtable nut its not firing .....what should i do my deadline is tomorrow.... |
| | i need to write a problem to store a information(Name,ID,GPA) about 10 students and print max gpa , min gpa by using array list |
 | 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(); … |
| | 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() … |
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