32,204 Topics
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| | Why this doesn't work? class Faculty extends Employee { private long[] officeHours; private String rank; public Faculty(long[] hours, String rank) { this.officeHours = hours; this.rank = rank; } public static void main(String[] args){ //some code here Faculty f = new Faculty(newToken[], tokens[tokens.length-1]); |
| | import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import javax.swing.ImageIcon; import javax.swing.JOptionPane; public class Main { public static void main (String[] args) throws Exception { Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/convocation","root",""); //ImageIcon icon = new ImageIcon("C:\\Users\\a\\workspace\\MysqlName\\img\\U.png"); //JOptionPane.showMessageDialog(null, "Custom", "Custom Image", JOptionPane.INFORMATION_MESSAGE, icon ); int id_convo= Integer.parseInt(JOptionPane.showInputDialog(null,"Please Insert Student Convo ID\n(eg:01,02,03)", "U …  |
| | 1. N-queen problem The n queens puzzle is the problem of placing n chess queens on an n×n chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagonal. Solutions exist for all natural numbers n with …  |
 | Hi guys. I'm working on a christmas present for my dad, it's a program that installs 8 Black Keys songs on his computer. I'm having some trouble with it though. I can't figure out how to get the files out of the jar file. I used to access them with … |
| | I am making my own component similar to the JOptionPane, but with some added GUI components specialised for my current project. I have finished with the GUI of the component, but I do not know how to make wait for the user to enter input before continuing, as the JOptionPane … |
| | hey you guys I just want to take this time to wish your guys a merry christmas and a bright and prosperous new year, I know that I will have to do over this programming course in the next semester even though i havent got any result yet. still havent … |
| | I have created a height score class by keep track of time. In this class top 5 score are saved in file using Preferences and than they are display on screen. First I am setting up top5Time array by filling in all zero's. Than I am getting top 5 time …  |
| | I have a 2d array and I want to check if its in increasing order. here is a example of 2d array increasing order: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, here … |
| | How can I create a TextureRegion into button in libgdx-android(java)? I found a simailar solution here: http://stackoverflow.com/questions/21488311/libgdx-how-to-create-a-button problem is that it is using BitmapFont and I am not. I upload a image using TextureRegion and now I want to turn this image into button. any ideas? |
 | Hello Geeks; In the eve of new year i have some fresh topics for you. I heard that web is full of real life oop design samples and comprehensive object oriented design guides. Which sites would you offer or which tutorial sequence should i follow ??? PS. Of course other … |
| | Need Assistance Please. My code is not adding the size and the toppins: import javax.swing.*; import javax.swing.border.*; import java.awt.*; import java.awt.event.*; import java.util.EventObject; public class PizzaCalculator extends JFrame implements ActionListener { JPanel westPanel = new JPanel(); JPanel eastPanel = new JPanel(); JPanel centerPanel = new JPanel(); JPanel northPanel = new … |
 | Hello I am studying for the 1Z0-803 (Oracle Certified Associate, Java SE 7 Programmer) exam and I have the hardest time with following the flow of nested loops. On practice tests I do ok on more complex concepts like polymorphism but I miss over half of question with nested loops. … |
| | Hello, I am working on project of developing video stagenograhy. i have referred following link. http://www.dreamincode.net/forums/topic/269189-video-steganography/ also read a lots of material on it and found total 10 encoding and decoding algorithm. please send/suggest me good material for video steganography. Just let me know how can encode/decode my message using …  |
| | hi all just a question. if you are making a if statement in a game and the compile is not reading the condition in the if statement and it jumping out and reading the rest of the codes what is the cause of that. I am trying to build my … |
| | hi Iam doing a payroll system for a compny where I have to implement a program to calculate workers pay. for commission paid workers, hourly paid workers and fixed monthly paid worker. i have done the codes but something is wrong somewhere between the codes. cant tell if it is … |
| | This project deals with EOF-based loops, using the while construct where we do not know the exact number of times a loop will iterate (perform the associated block of code). We will continue to build on our knowledge of if/else constructs. Use the variables given below to solve the problem. … |
| | it it is me again. I am know guys are probably thinking am bothersome here is my question. it is about the java game am building no I havent finish it yet, still having some trouble i have declare this syntax, I know that I have asked this question before … |
| | i want to populate jtable from database upon clicking on jbutton...how could i do this?? |
| | Hi I wanted to draw a field like this photo which I have attached. I would appreciate your help. I have wrote so much now: for (int x = 2; x < 12; x++) { for (int y = 2; y <= 12; y++) { g.drawRect(40*x, 40*y, 40, 40); } … |
 | product between 2 arrays of 2 dimensions and be the score is stored in another array using ecplise and gridsim for exemple: mat3[i][j]= mat1[i][j]* mat2[i][j] |
| | I can't figure out the code for, 1) Get an error message dialog when there's no input in the textfield. 2) Get an error message when you put alphabets or other characters except for numbers. |
 | SO i feel totally annoying but I got to ask for advice. As you see in the title im trying to call a constructor from an other class. Im trying to add and create a new gymMember for every weight that is found in the file into a new array … |
| | I got 1 when i pass button and if i pass the second timeis still 1 not is ++ int click = 0; public ButtonHandler(int x, int y, MineGrid g) { row = x; col = y; grid = g; } public void actionPerformed(ActionEvent event) else { click ++; JButton … |
| | How come this program doesn't run? Well.. not just this program, all my other ones. There are no mistakes, I wrote the code as this textbook says but its not running and its giving this error (on dr java): 1 error found: File: (no associated file) [line: (no source location)] … |
| | This class is designed to test the efficiency of the two search models. You will simultaneously populate both arrays with the same random numbers. This will guarantee that both arrays have the exact same content. Sort only ONE array using Arrays.sort. This sorted array will be used with the bin_search … |
| | Hi guys, Im trying some stuff out in java but im a little stuck and confused by stackoverflow answers so I wanted to ask here if its ok. I have a lot of code but I just took out this one little part that i wanna be able for a … |
| | Hi everyone ; Thanks to Dani, there are lots of links provided around the topics like this. I am a single Java programmer, writing short java programmes in Eclipse. However, i need to work with others and produce long but managable java codes. Briefly my ambition is : 1.Creating some … |
| | 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 …  |
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