Join the social network of Tech Nerds, increase skill rank, get work, manage projects...
 

java problem

  what is the problem here?please help me package help; import java.util.Date; import java.sql.*; import java.util.logging.Level; import java.util.logging.Logger; public class Help { public static void main(String[] args)...

Difference between an Interpreter and a Compiler?

Hello Everyone, I am stuck somewhere and it would be really great if you help me out regarding this query in order to clear my confusion. What's the difference between an Interpreter and a Compiler? Thank you

How can i arrive at the my expected output in my android project?

Hello friends how can i arrive at my expected output in my android project? Currently, I am getting all the output values such as brand,model,type,variant as integers instead of text. Actually i need my result as  RegNo: TN10D5551 B...

Write a program in java to evaluate and print the value of mathematical function: f(x,y) = 2x2 - y + 3

Write a program in java  to evaluate and print the value of the following mathematical function: f(x,y) = 2x2 - y + 3 Vary the values of x and y according to the following table and prints the values of f(x,y) as shown in the table. ...

Attachment Download Feature : Streaming huge(> 1 GB) data string from javascript to JSP

Hi All, Feature Goal : To send a huge(sized) string data from javascript side to JSP and download that data as an attachment to user's machine. Current behavior : We are sending limited sized data in post body (<= 25M...

How to get difference between two or more arrays in PHP?

Hi everyone, I am a beginner and have been learning various programming languages like PHP, DotNet, Java etc. I faced an issue regarding php programming in which I wanted to learn how we can find out the difference between two or more arrays base...

Server Side Programming

1.Modify the web.xml to turn off the three test filter filters and turn on the LogResponsesCookiesFilter filter. 2.Note how the filter works with the cookies. 3.Modify the LogResponsesCookiesFilter. The filter you implemented needs to add a...

How to resize attach image and view it (can see original size)?

Hye. I am Nabilah and below is my Java code at Jframe in netbeans. It is code about attach file or imageto display to Jframe.  Here I hope someone can help me 1. how to resize image (stadardize the size I upload) that already attached and...

Is it a good option to opt for game development for pitching up my career ?

Can anybody explain to me if libgdx is a worthy option to get into game development? I just came across it in my research for taking up Game Development as my career path but am confused like what are its advantages and limitations?  

Passing XML string to a stored procedure?

I am really really confused about how to convert string data that I get from a form and convert it to a XMLstring and pass the XML string to a stored procedure in Java. Please help me out. So, Let's say:- Post () method- String a = r...

Ask to complete the class

Hi, I was given a test to complete but unsure how I can use the apache commons in some methods. I have attached the file. Appreciate all your help.   package interview; import java.text.ParseException; import java.text.SimpleD...

Help in my test for Apache Commons

Hi, I was given a test to use the following in my methods. Those were pre-imported and I need to figure out how I can use it in the class they provided to me   import org.apache.commons.lang.StringUtils; import org.apache.commons.l...

Getting Springs, Hibernate Exception in Java

Can someone help me with this exception in Java,Springs,Hibernate.   Caused by: java.sql.SQLException: An SQLException was provoked by the following failure: java.lang.InterruptedException at com.mchange.v2.sql.SqlUtils.t...

Java Arraylist loop problem

import java.util.InputMismatchException; import java.util.Scanner; import java.io.IOException; import java.util.Random; public class StringVariables { public static void main(String[] args) throws NumberFormatException, ...

images from database to jtable. Java

I have an app that contains a database using java sql, and has a jTable that displays the database info. It works fine, EXCEPT for when I am trying to store and display images to one of the columns. I used the  jTable1.setModel(DbUtils.resul...

Close to having database queries displayed to Jlist, what am I missing?

Hello, I feel like I may be very close to having my app display the rows from my database in the Jlist the way I would like (with every column from each row  displayed as one item on the Jlist. I think the problem might be in connecting the ...

BufferedInputStream in java

How internally BufferedInputStream work in java? During read from a file, how or who bring bytes from the file to the internal buffer? Wether BufferedInputStream read 1 byte at a time from internal buffer?

Handling JSON in Java

Can anybody here recommend a few best practices for handling JSON in Java?

How to add video background without slowing down the page?

How can I add a video background (see an example here: http://gamentio.com/) without slowing down my page? Is there a limit to resolutions also or can I use a high resolution video also? Any help would be appreciated.  

Android - Information leakage flaw OutputStream

I have developed an application in the Cordova Framework, and I have added a camera plugin for capture functionality. I am getting an Information Leakage flaw in the code below i think i need to initialize , using veracode to scan APK. Do i ne...

How to sort array without using Collection.sort method?

I need to sort an array but I don't want to do it by using the default Collection.sort method. How can I use Comparator to achieve the same result? Any help would be appreciated.

Suggestion for scalable java based socket server?

Hello everyone,  I have some doubts. Can I get some suggestions for scalable java based socket server ?  Please give some examples. Any help will be highly appreciated. Thank you

How to sort an arraylist of objects?

Hello everyone, I am stuck somewhere. I need to sort an Array List of particular type of Objects in java. Please explain with the help of an example.  Thank you

Email Address from given string java

Hello everyone, Can anyone help me with the below query- I want a code packet in java to check if a given string has an email address if yes then return the email address or return empty string.  

Why are annotations used in Java?

I have certain queries regarding annotations in Java. What is the usage of annotations in java? What are the major applications where we can use it? Can these be used to replace XML based configuration completely and is it language specific...

RMI Registery java.rmi.connectexception connection refused to host

Below is my code:   import java.rmi.*; import java.rmi.server.*; import java.net.*; import java.io.*; import javax.swing.*; import java.awt.event.*; import java.lang.*; import java.awt.*; import javax.swing.filechooser.FileSyst...

Solve null pointer exception

Here is my Code: import java.sql.*; public class dbcon { Connection con; Statement st; ResultSet rs; dbcon() { try { Class.forName("net.ucanaccess.jdbc.UcanaccessDriver"); Connection con = DriverManager.getConnection(...

count pixels under each finger in multi touch in android

Hello I need to count pixels that are covered by each fingers in multi-touch.When fingers down one by one it should plus pixels in count and finger up it should subtract pixels of that finger.I have did this but it is not getting exact counts i d...

How to delete rows from a JTable using swingworker?

Am trying to create an application that sends messages(SMS) to a list of people in the JTable and each time a message is sent to the recipient who is a row in the JTable i want that row to be deleted and i want the sending of the message to be do...

Desktop application like word web (http://wordweb.info/free/)

I need to make a Desktop Application with following features : Once installed, it gets launched at the time user logs in and runs in the background. If the user selects some text from browser or from notepad and clicks a particular key combinat...

How to prevent and USSD code from running in android?

I want to see how can I prevent a specific USSD code from running in android java? for example if the user dials *1234# an error pops or just make it not working. I want to create an application that prevents dangerous USSD codes from runni...

Autofill functionality for website forms

I have a website whose source code cannot be changed.It has several forms which has repetitive fields so for reducing manual filing of repetitive fields i want autofill functionality.I will have another website from where data will be stored and ...

Sorting singly linked list which takes only one argument

I want to write a recursive method which sorts the singly linked list and takes only one argument. And do not write another auxiliary method to support this recursive method.

Convert object to xml

i want to make a program that will create automatically XML data structures. I will not know from the beginning which is the class, and which the attributes so i cant use JAXB. For example, if the input is: Employee, name,id Employeelist, co...

find the longest sub-array that all of its elements are less or equal A[i]

I have an array A[1,...,n] of positive numbers, for example: [1, 2, 5, 3, 7, 2, 8, 4] I need to build an array S[1,...,n] according to the definition: S[i] = max {k|∀i−k <j≤i :A[j] ≤ A[i] and k ≤ i} It m...

Can someone explain the algorithm of this java program?

I found it in the net and I want to know the explanation of it's algorithm. I'm having a hard time to understand this. thank you so much :) import java.util.Scanner; class BinarySearch { public static void main(String args[]) { ...

ArrayList is not synchronized

What does it mean when we say an ArrayList is not synchronized?

Permission Access

How to block or access specific permission of specific application through android code? (Without accessing manifest file of specific app?

Java Need

Hello I want to learn Java programs from easy to expert Level can you suggest me some sites for It?

java web app is not uploading images

Hello, I need help to understand why my java MVC doesn't upload images. There is no errors just nothing happening. My project is on dropbox DropBox Please help me because I'm totally stuck with this. Please look on it and tell me if there is...

How to start debugging on a specific frame while debugging an android app using android studio?

I am using android studio. While debugging my app I want to jump to the specific frame and start debugging from that frame, skipping the other frames in the frames tab. I want to see the frames that are only related to my android application a...

Java database statment problem

Hello all, I dont know what im doing wrong, i only want to check the username and password in the database if they exist show, you are logged in but if they do not exist to show.. you have no access to db public void logIn(Student student) ...

Java bit processing

Hello, I want to process a file.txt at the binary level by removing every 5th bit if it is equal to 1. Save the new processed binary file and repeat the process until it can no longer find any more 5th bits equal to 1, then save the final file...

No options for import in Eclipse IDE

I am trying to import a gradle project into eclipse. However, when I do File -> Import, it gives no options. How can I fix this? Thanks.

Insert Data into MySQL database from HTML SubForms

Hello EveryOne, I have 2 HTML Forms: 1. Register/Login 2. After User gets Login, He used to update details of him. I used MySql database in order to save Login details of User. And also i have another table for updating details of him aft...

How to check if string arraylist is sorted?

Hello everyone, Can anyone help me with the below query- How to check if string array list is sorted or not?
Sign In
                           OR                           
                           OR                           
Register
Forgot Password
Fill out the form below and instructions to reset your password will be emailed to you:
Reset Password
Fill out the form below and reset your password: