35,619 Topics
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 | Hi, I have been working on JNI. I have one doubt. When I call any native method from android activity (Java code), then we get jclass object from jobject instance we get in the native method as a parameter. Why do we need it actually? Here is a snippet from … |
| | I want to build apps using play framework. I have looked on for [play framework for Java](https://www.eduonix.com/courses/Web-Development/learn-to-build-apps-using-play-framework?coupon_code=offer10) giving guide to build apps. If you are having some additional resources, pls share.  |
| | I would like to delete a binding group from my java code, Netbeans does not allow me to do it.I try to do this by right click >Refactor > Safely delete , but a warning appears and the group is not removed. How do I go about deleting this?  |
| | Hi, I have problem I can't add to the JTable new row (public void addRow(ArrayList<Object> newRow)) from the other class with action of the button Main.java import com.sun.javaws.Globals; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import javax.swing.event.TableModelEvent; import javax.swing.table.AbstractTableModel; import javax.xml.bind.annotation.XmlElementDecl; public class … |
| | Anyone here know a good java library for XADES signing? Tried my luck with Xades4j, but that didn't go anywhere, couldn't find any API for that. Please provide code examples if you can. |
 | Hi guys, I wonder if you can help. As I've started as a programmer, I've been told I have to practice OO a bit more. I've done the theory, but I think I will have to take another look at it. , Above all though, I have to do exercises. … |
| | I'd like to start from the basics if I may please. I've read a few tutorial here and there and I've just created a test application with probably the simplest RPC calls you can possibly have (basically I want to use the RPC call to call a method to print … |
| | I want to learn java for competitive programming . I'm actually aware of all the great books on java like thinking in java , effective java etc. But those books are very detailed . i want to learn enough for competitive programming without going into too much of unnecessary details … |
| | Hi all; how can i find equal string in 2D array in java in this program,, i mean in this code i have 2D array 2 rows and 4 columns,for example in my code the equal string is "orange" ,,so how can search for any equal string in 2D array … |
| | Hello , I'm new with java and I have a work to do, but I don't understand anything :( Can someone please help me ? Create a program composed of two classes called: GradeCalculator (with main ( ) method ) and Student. The Student class structure is presented below: Student …  |
| | How to add bookmarks and hyperlinks in pdf using itext? can any body tell example. Thanks advance.. |
| | Someone could help me fix my problem. Im using netbeans and im developing a system as part of our ojt to create a system. I had a little problem of how to move tab or switch tab after i clicked a button. Please help me. thks :) |
| | A farmer with his wolf, duck and bag of corn come to the east side of a river they wish to cross. There is a boat at the river’s edge, but of course only the farmer can row. The boat can only hold two things (including the rower) at any … |
| | Design and implement an application that determines and prints the number of odd, even, and zero digits in an integer value read from the keyboard. (java) using for loop |
 | Hey everyone, I'm looking for some help with coming up with a system to communicate data between client and server sockets. I was thinking of a command system, but that would only work when the client is sending a request to the server, not when the server is returning data … |
| | Hello guys. I am currently developing a Case Management System with a versioning function. The versioning function will allow top management to see the different versions of a document and the different changes that were made by either the lawyer or top management. My problem is, how would I start …  |
| | i want the for banking application that users should be taken in array list and operations like deposit withdrawal and fund transaction from one account to another user..... |
 | I am writing a code for a user to choose numbers in a progress bar. For some reason the progress bar does not fill up or empty when the int progress is not exact. For example: The progress bar value is 5 at the moment. The user chooses 250 Million … |
| | Can anyone help me out with this program import java.util.Scanner; public class Quadratic { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("Enter three coefficients for a quadratic equation: "); double a = sc.nextDouble(); double b = sc.nextDouble(); double c = sc.nextDouble(); if (a == 0.0) System.out.println("Error: … |
| | Hi, this was my previous post https://www.daniweb.com/programming/software-development/threads/504670/need-help-with-a-java-program-that-will-indent-code-from-another-java-file#post2204763 I heard it would make more sense if I put all the code on one line and worked on it from there. I already have code that will indent properly, but I need code that will properly separate the text in Code.java This … |
 | How to copy folders from one system to another within the network. We would need to provide username pwd for authentication to establish connection. Is it possible to achieve this using java? |
| | I'm trying to write a method that returns a sub lists and each containin the max value of strigns from a larger list. I'm using iterator and backtrack recursion to achieve this, however - I'm not familiar with backtrack recursion. Any suggestions on how to make this work. Or if … |
| | any body help me to convert php multi dimensional array to php multi dimensional array format $data = array( array( "emp_name" => "ramu", "department_name" => "cse", "Number" => 15 ), array( "emp_name" => "ramesh", "department_name" => "eee", "Number" => "56", ), array( "emp_name" => "ravi", "department_name" => "it", "Number" => …  |
| | Hi, so I'm trying to create a Java program that will read a Java file that is incorrectly formated and properly indent and format it. This is what I have so far. import java.io.*; import java.util.*; public class Project3 { public static int SPACES = 0; public static void main(String[] … |
| | How to handle org.springframework.web.multipart.MaxUploadSizeExceededException in spring 4 am uploading a file in java it will accept only 2omb but i have uploaded 30mb its giving org.springframework.web.multipart.MaxUploadSizeExceededException how to handle in spring 4 How to handle org.springframework.web.multipart.MaxUploadSizeExceededException in spring 4 am uploading a file in java it will accept only 2omb … |
| | I'm working on an Anagram Finder program. One of the methods I'm writing introduces the concept of **recursive backtracking** which I'm completely new to. I'm hoping to get some suggestions of how this works/how to make it work. I'm trying to implement recursive backtracking in order to display a list … |
| | Hi, I want to translate text from one language(eg, malay) to other languages(eg, english) in java/jsp . How to do this. Help me please. urgent! Thanks |
| | My program draws numerous rectangles in a JPanel; the location, dimensions and colors are determined by a random number generator. I want to save the panel contents as a jpg. I believe this requires converting the panel contents to a buffered image using something like this: BufferedImage awtImage = new … |
| | Hello. We're going into Constructora and super, using extends, subclasses etc. I have this code: class Student { private String name; private String matric_no; public Student(String n, String m) { name = n; matric_no = m; } } class UndergradStudent extends Student { private String programme; public UndergradStudent(String n, String … |
| | how i create notification system in jsp  |
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