35,619 Topics
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| | I'm still a noob in JavaFX, I can print the content of the table that I query, the problem is that I want the content to be placed inside the tableview. This is the code that I have done. public class TableViewController implements Initializable{ @FXML private TableView<studentInfo> tblViewer = new … |
| | Dear all, I am using linux fedora os. But i cannot able to set the java Classpath command. Step 1: whereis java java: /usr/bin/java /etc/java /usr/lib/java /usr/share/java /usr/share/man/man1/java.1.gz Step 2: vi .bash_profile export JAVA_HOME=/usr/bin/java export PATH=$PATH:/usr/bin/java Step 3: java -version java version "1.6.0" OpenJDK Runtime Environment (build 1.6.0-b09) OpenJDK Server … |
| | Write a program that reads a word and prints the number of syllables in the word. For this exercise, assume that the syllables are determined as follows: Each sequence of adjacent vowels a, e, i, o, u, y, except for the last e in a word, is a syllable. However, … |
| | hi guys I am practicing a java program and it goes like this. I am trying to this as a practice JAVA Object-Oriented program for a rental car company to create an inventory file(.txt) as a random access file which can easily be updated by users for the following specifications: … |
| | hi all, i want to convert array of short to array of bytes in order to send it in Datagram Packet and then convert it from bytes to short  |
| | hi guys havent been here for a while, but I have a question for you all. 1. how do you write a java object-oriented program 2. is it the same as a java program or different 3. does it have any similarities between both program |
| | I am having trouble writing the below java application. Here is what i am trying to accomplish Write a Java program that prompts a user to enter demographic information including year of birth (values 1900-2014), month of birth (values 1-12), day (value of 1-31) of birth, latitude and longitude of …  |
| | GregorianCalendar cal = new GregorianCalendar(year, month, 1); nod = cal.getActualMaximum(GregorianCalendar.DAY_OF_MONTH); som = cal.get(GregorianCalendar.DAY_OF_WEEK); for (int i=1; i<=nod; i++){// plz explain this line int row = new Integer((i+som-2)/7); // plz explain this line. int column = (i+som-2)%7;// also this line. mtblCalendar.setValueAt(i, row, column); |
| | So a lot of threads begin by some noob coming along and asking is c++ or c or java going to die and almost certainly, the answer, all have stood the test of time and this is simply panic nonsense spread by the spin doctors. http://www.infoworld.com/article/2613404/java/how-to-kill-java-dead--dead--dead.html But then it got … |
| | First Of all, I am trying to implement a video conferencing system using JMF. I want to access webcam of a remote computer to take images.I have successfully captured images from my local camera.But when i try to do this from "A" computer to access webcam of "B" computer , … |
 | Question: It seems my code won't work while looping. It's a simple password verifier, however entering subsequent passwords will return the same invalid as the previous password. The simple answer might be to set boolean values under the do so they reset everytime the loop runs. But if I do … |
 | Hello Dear! Hope You All are doing Fine. i have querry. i am trying to make a program of Bank Account Details with classes and OBjects. i have put change name, change typ, dopist, withdraw options. now i want to see teh history. what name it was before the change, …  |
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| | I'm currently reading about the JVM and how garbage collection works found here: http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html It discusses both the Mark and Sweep and the Generational garbage collection concepts. After reading through this tutorial, I'm confused on which garbage collection process the JVM actually uses. The whole time, I thought the JVM …  |
 | I am want to delete the first line of text file using RandomAccessFile class. My Input file "bulkwfids.txt" has the data as below: 234567 345578 455678 566667 Expected output needs to be(first line deleted): 345578 455678 566667 But the actual ouput I am getting is as follows: 78 56 345578 … |
 | i am working on a project. i have database and it has 20 coloumns for each row. i display rows in form of table. in table i am retrieving data from database and displaying it. <% While(special.next()){ %> <ul class="features"> <li><%= special.getString("company")%></li> <li><%= special.getString("catagory")%></li> <li><%= special.getString("place")%></li> <li><%= special.getString("verified")%></li> <li><%= special.getString("phone")%></li> … |
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| | My code performs separation of "**S12*T0*0832*B*86*N1C0~**S12*T0*0832*B*86*N1C0~"...Next i need to separate data between the "*" and utimately insert it into the database(ms-Access).i would like to recieve some code lines for that. Basically now the entire string i.e"**S12*T0*0832*B*86*N1C0" is being inserted into a column.i need to insert "S12" "T0" etc into separate … |
| | Greetings, I am new in Java programming language and I know that there are four platforms of the Java programming language Java Platform, Standard Edition (Java SE) Java Platform, Enterprise Edition (Java EE) Java Platform, Micro Edition (Java ME) JavaFX I already read about the four platforms through the below … |
| | So they dropped ODBC on Java 8. Thats somewhat a problem for me. I searched to find alternatives and UCanAccess is what looks like to be the most popular. But I was wondering if there are alternatives that are better or equal to UCanAccess? |
| | import java.util.Scanner; public class Program2{ public static void main (String []args) { Scanner input = new Scanner (System.in); int[] data = new int[256]; int inAscii; char inChar; String inString= input.nextLine(); for (int i = 0; i < inString.length();i++) { inChar=inString.charAt(i); inAscii=(int) inChar; data[inAscii]++; } for (int i= 1; i<256; i++){ … |
 | Hello guys, i never worked before with java and it was told to me to make a solution of cloud computing private for my university and i don't know how or even which How choose the layer to develop. Can you just help me please. |
| | Hi.. I’m trying to create circular menu bar,but my menu bar is nearly similar to tympanus circular menu bar(visit [Click Here](http://tympanus.net/Tutorials/CircularNavigation/index2.html)) but in tympanus if we want menubar we must click open/menu button I want menu bar(fixed) to be display without any any clicking and instead of button i need … |
| | from starting to end plz guide me its a new for me .Thanks in Adv |
| | A freight train has n railroad cars, each of which is going to be left at a di erent station. Assume that the stations are numbered 0 through n |
| | hi all how can I make this program to work? it is loopinging and this is wher it stop,it is no reading anything else where have i gone wrong here is the code and the output char F, f, H, h, C, c; double hrswrked, grosspay = 0, netpay, payrate, … |
| | theres a couple things wrong with this and i have no clue where to start. like the title says it has to be a really simple mortgage calculator, no gui or any other inputs. not yet atleast. my prof messaged me back saying i need "1. import goes before public … |
 | Hi, I have ubuntu installed on my pc with openjdk 8 but as i want to lern java ho can i create programs by openjdk or which is the place to write the coding. Plz suggest me with easy words Thanks,uxama |
 | Dear All, I need to choose the value of a list item in jsp. There are many employees in various departments and i need to choose that employees in department wise. Example. I have two list items in jsp 1. Select dept_no,dept_name from departments 2. SElect emp_name from employees, departments … |
| | **Here is what I am trying to accomplish with Java:** A simple guessing game asks the player to guess a number between 1 and 50. Hints are returned depending on how far from the number the guess is. Add other methods for playing the game omitted--you need not supply any …  |
| | char F, f, H, h, C, c; double hours_worked, grosspay, netpay, rateof_pay, total_deduction, deduction, overtime, extra_time; double comm_incent, fixedsalary = 0, taxfree_allow, totalgross_pay, totalnetpay, totalsales = 0; String empfirst_name, emplast_name, hourlypaid_workers, payroll_report, payroll_payslip, process_workers, monthlyfixed_workers; String commiss_workers; int taxes, emp_idnum, highest, lowest,highestpaid_workers, lowestpaid_workers, highestvalue_workers, lowestvalue_workers; char inputChar = 0, Char; … |
 | I have been working on role based access control in cloud for which I have coded some java programs. I would like to upload and run those java programs on a real-time cloud. I have no idea about uploading a "file" onto the cloud although i have a decent knowledge …  |
| | Hi How can I get the maximum digit from a number entered by the user? Example: if user inputs: 1521, the program should output 5 as maximum. Any help please? NOTE: I want it to be made using 2 methods. AND don't give me answers with arrays. :) This is … |
| | I need to write a Java program that uses a Monte Carlo algorithm to calculate the probability that next week’s lottery draw won’t have any consecutive pairs of numbers (e.g. 8 and 9 or 22 and 23). 6 numbers are drawn from 1 to 45. |
 | Alright, I've never done this before so this may not be the way to go about it, but here goes. I'm creating an Application that connects to a Server which executes SQL Queries. I am coding the Application as a prototype in Java currently and extending it later possibly with … |
 | package filehandling; import java.awt.event.ActionEvent; import java.io.*; import java.awt.*; import java.awt.event.ActionListener; import javax.swing.*; public class Filehandling extends JFrame{ JTextArea ja; JButton jb; Filehandling() { setBounds(400,400,400,400); setTitle("azeem"); setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container cont= getContentPane(); ja=new JTextArea (); cont.add(ja,BorderLayout.CENTER); JPanel jp= new JPanel(); jb=new JButton ("Save"); jp.add(jb); cont.add(jp,BorderLayout.SOUTH); setVisible(true); } public static void main(String[] args) … |
| | Hey, I'm looking for decent MySQL tutorials for connecting a Database in Java. I'm using Java 8 so preferably would like tutorials that correspond with newest code. Thanks! |
| | hi :) I'm wondering >>what is the use of (static) word in func.'s ? in this code what does it mean ??and if I didn't put it what would happen then ?? thanks :) import java.util.Scanner; class Average { public static double compute(int...x) { double sum=0; for(int item:x) sum+=item; return … |
 | Hi Guys! I'm having trouble on briefcases having the same value. for ex: i choose briefcase 1 = 5000, briefcase 2 = 5000 how do i make the briefcases have a unique value? Note: the value of briefcases are randomized import javax.swing.*; import java.awt.*; import java.awt.event.*; public class DoND extends … |
| | help me to write java code for reading recieved packet details such as source ip,source port |
| | Hi, I want to learn java as young but i use Arch linux since i was kid so how can i get the emulator or what required softwares.I have java 7 installed. Reply as soon as possible to noob guy. Thanks,uxama |
| | hi everyone, im new to java. and i was assigned to do a project that integrates java and .net(c#). here's the scenario: 1. the .net system will create a text file (.txt) based on some conditions --> i already did this part. 2. the txt file will then be pass … |
| | Hi, I just wanted to know about instance method? If static modifier is not applied before does it makes it an instance method ? Plz give an example Thanku |
| | Hi I have a Select element in my page, It looks like this [CODE] <select name="test"> <option value="1">Hi</option> <option value="2">Hello</option> <option value="3">GoodBye</option> </select> [/CODE] Ok, don't mind the syntax or if I missed something, everything works fine, the problem is that I want to get the selected option value from …  |
| | hi ^_^ I want to ask what is the difference between (System.out.println(B);) and (System.out.println(new string(B));) ?! actually it gives me the same output in my code! so then >>what is the use of [new string(array)] in general ??? thank U :))) public class CopyArray { public static void main(String[] args) … |
| | Hi there , We know that we can use taglibs in JSP page. Is it possible to refer tlds and its tags from the servlets. Can we have control over the taglibs in the servlet programmatically ? I googled but invain. All the results are about creating custom taglibs. Any … |
| | Hi, I'm considering writing a java applet that has a chess board and lets people solve puzzles. There are chess engines that are free that could be the AI to play against and they come in executable files (console apps) compiled for both Mac and Windows. Now i have a … |
| | I have generated wsdl2java code using axis 1.4 .One classes has 2 constructor methods (one default constructor and other one has 2 parameters). Other classes that inherit from one class have the constructor parameters in the wrong order.The schema files is correct as they come from the OTA specification Please … |
| | I am missing something in my check sub class and I can't figure it out I know its something simple and I for the life of me can not find it. package lab61; public class AccountClass { public double annualInterestRate; public double balance; public int Id; public java.util.Date dateCreated= new … |
| | everything is working fine except Encryption button. import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; public class encryption extends JPanel implements ActionListener { char [] str= {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z' }; char [] str1={'1','2','3','4','5','6','7','8','9','0','!','@','#','$','%','^','&','*','(','_','_','+','=',',','.','?'}; char [] a= new char [50]; char [] b= new char … |
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