I am doing a project on password encryption and decryption using AES algorithm.
I need to store the key of type SecretKeySpec in the database(ms-access) and have to retrieve it.
How can i ... |
REALLY SORRY FOR THE BAD QUESTION. HERE'S AN EXAMPLE OF MY CURRENT CODING.
BASICALLY I TAKE THE INPUT FROM A TEXTFIELD.
SO HOW DO I STORE AND RETRIEVE THE INPUT?
String input = txtInput.getText();
StringBuilder ...
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I need to store all encrypted messages so it may be retrieved and displayed by pressing a button, that is, press the button 3 times for the last 3rd message;
After retrieving ... |
My data access classes often have a method called loadDataToEntity or something similar. This method takes a resultset for instance and populates an entity class which is passed on to be ... |
I am developing an application using java, my application would be accessed by number of different users simultaneously and the database resides in a central server. The access of the database ...
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In Java Web Application, i would like to know if it is a proper (or "standard"?) way that all the essential data such as the config data, message data, code maintenance ...
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I'm looking to create a Java program that retrieves data from Microsoft Access database (and possible store onto it).
Is this possible? If yes, is it complicated to do? Also are there ... |
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This is a java related question so I will move it to the appropriate forum. If you question is regarding your coding, please be sure to start the thread in the ... |
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Hi, i'm new to bytes. can anyone help me to find the solution for retrieving informations from database and publish into excel sheet/spread sheet? i have done the designing part in ... |
Posted: Mon Jun 08, 2009 7:11 am Post subject: Retrieve Data From Database I am developing a mobile application in Java Me (MIDP) using the java programming language. ... |
Hi, I have this database called "Accounts" that is connected to my netbeans project. In the database I have a table called "Account" where the primary key is "Account_id" and the ... |
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hi: How can I retrieve a big list from the database without consuming so much memory? In my model, I use transfer objets to bring the data from the database to my application. Basically, I read every row from the ResultSet, then I encapsulate it into a corespondent object. But, what will happen if I have too many rows in the ... |
Hi: I am redesigning a module that has to get records from the database corresponding a collection of objects. In the current implementation, for each object in a collection a JDBC call is made to an oracle database and information for that object is obtained and mapped to an object. Obviously that causes a lot of database calls. Is it possible ... |
Gaurav, i think that is is the problem of space Do you mean that the problem is because "jai mata di" contains spaces (which is the way Jeanne understood it, I think)? If Jeanne's interpretation is correct, then spaces have nothing to do with it. There simply is no row in the GENERAL_INFORMATION table where the value of the NAME column ... |
hello sir i m making one forum amd when i post some topic and when then i retrieve then it is not reading the "".like............. i have written......... JAI SHRI RAM JAI MATA DI then while retrieving from database it is showing it as ......... JAI SHRI RAM JAI MATA DI it is not reading the ... plz tell me that ... |
Hi all I have a simple question, Can I retrieve data from the Mysql database on page load. i.e i am storing the information from page one and i want to retrieve that stored information on my page two. And this should be retrieved on page load. Is this possible, if yes could anybody guide me with some tips. Thanks With ... |
Hi friends, We are running with a problem in our design for getting datas from our database. Issue : We have a some thousands of records in our database, By getting user input thro jsp servlet is getting a some hundreds of datas from database. We are creating some temp. tables for storing the details and then displaying Some tens ... |
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Statement stmt = null; //The object responsible for executing the queries. ResultSet rs = null; //This object will hold the DB values String dbString = ""; try{ stmt = connection.createStatement(); //it throws SQLException rs = stmt.executeQuery("SELECT * FROM table_name"); if(rs.next()){ //next() moves the cursor to next record which is the first now dbString = rs.getString("column_name"); } rs.close(); stmt.close(); }catch(SQLException e){ //do ... |
Actually i am retrieving data from database and generating a word file. on that word document i have to display one image. I have inserted that image manualy to the database. but i dont know how to retrieve that image. if you have any idea to solve this problem then please help me. |
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Just a thought on a how different way this could be done. create a method within a bean that inserts the html code along with the image source. for example in your database you could have a column called imageurls the values of the row/column would be then in a jsp page you would import the ... |
Originally posted by mocca az: use java.util.Date class to get current date/time, whatever you need and store it to the variable exp. where you have your link |
Hi all I have a simple question, Can I retrieve data from the Mysql database on page load. i.e i am storing the information from page one and i want to retrieve that stored information on my page two. And this should be retrieved on page load. Is this possible, if yes could anybody guide me with some tips. Thanks With ... |
import java.io.*; import java.sql.*; import javax.servlet.*; import javax.servlet.http.*; import oracle.sql.*; import oracle.jdbc.*; import com.oreilly.servlet.MultipartRequest; public class Final extends HttpServlet { public void service(HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException { PrintWriter out = res.getWriter(); MultipartRequest multi = new MultipartRequest(req,"C:\\HR\\Resumes",5*1024*1024); String s1 = multi.getParameter("fname"); String s2 = multi.getParameter("lname"); String d1 = multi.getParameter("dob1"); String d2 = multi.getParameter("dob2"); String d3 = multi.getParameter("dob3"); String s3 = d1 ... |
First thing...you must have very good idea about Java Web Application Architecuture. How you can configure and use servlets, web.xml, web-app directory structure etc. Good serverlet Container is Apache Tomcat. If you don't know these, I think it is useless even if you get ready made code Resources, Of course java.sun.com Regards |
I agreed with Nadeem's solution, except the creation of a "MyValueObject" really depends on how frequently you need this object. Its it of a very temporary nature and you know the number of columns returned by the query, I suggest a typed array such as: ArrayList result = new ArrayList(); while (rs.next()) { String row = new String[3]; row[0]=rs.getString("testValueFromDB"); row[1]=rs.getString("testValueFromDB"); row[2]=rs.getString("testValueFromDB"); ... |
Hi, This is Shashank here. I have created a user_table with 2 fields: user_name and pass_word. I want to design a GUI that has a textfield (text) and password field (pass), that allows the user to enter name and password and checks them with the user_table for correctness. I wrote the following code: // actionPerformed method try { String name= text.getText(); ... |
I am developing an application using netbeans but facing problems in writing SQL statements. Though I can open a SQL Editor and run many statements one by one. But one thing I am unsuccess to do is how to associated these SQL statements with the components. I have read the product documentation also, but not found the satisfactory solution. In its ... |
Hello everyone - first post here, I'm a beginner, and have searched through the forums for something like my problem with no clear success... So, I have an Access database, specified as a data source in control panel (as KanjiQuiz) and accessible by a small Java program that I wrote, based on code elsewhere on the web. The data in the ... |
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Hello, I am developing a twitter-like service and am having a hard time to find the best solution for the following issue: When a user logs in, he sees a list of all of the latest status updates from their friends. The way the system is built now, there is a simple relation between the user and the status updates they ... |
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public class databaseConnection { private int photo; public void loadDriver() { try { Class.forName("com.mysql.jdbc.Driver"); System.out.println("Driver loaded"); } catch (Exception ex) { System.out.println("not Connected, com.mysql.jdbc.Driver class not found"); } } public void connect() { Connection conn = null; try { conn = DriverManager.getConnection("jdbc:mysql://www.scoobie.nl:1025/photo_dbs","scoobie","xxxxx"); System.out.println("Connected"); Statement stmt = null; ResultSet rs = null; stmt = (Statement) conn.createStatement(); rs = (ResultSet) stmt.executeQuery("SELECT id, photo ... |
package form; import java.io.PrintWriter; import java.io.StringWriter; import java.sql.*; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JTextArea; import javax.swing.event.DocumentEvent; //import javax.swing. //import java.lang.NullPointerException; public class form extends javax.swing.JFrame { // private IntTextField intField; JFrame frame; PreparedStatement pstatement = null; PreparedStatement statement = null; String url = "jdbc:mysql://localhost:3306/"; String db = "entry"; String driver = "com.mysql.jdbc.Driver"; String user = "root"; String pass = "aaaa"; Connection ... |
Hi, i'm new to javaranch. can anyone help me to find the solution for retrieving informations from database and publish into excel sheet/spread sheet? i have done the designing part java swing. i have stored the data into mySQL database. now i want to retrieve the stored one and execute in excel sheet/spreadsheet. Is there any code or API or JAR ... |
Hi guys and gals, I'm a Java Developer who is new to all this databasing business. I know MySQL and I know Java, but I don't know how to bring the 2 together. I have set up an external Oracle 11g datasource on my Eclipse Workspace. I have previous production code which is based off of Struts, Hibernate and JSON and ... |
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import java.io.*; import java.sql.*; public class TableCols { public static void main(String [] args) { Connection con; Statement stt; ResultSet rs; ResultSetMetaData rsmd; int cols; try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newI nstance(); try { conStud = DriverManager.getConnection("YourDataSource", "YourID", "YourPass"); } catch (Exception ex) {throw new Exception(ex.getMessage());} stt = con.createStatement(); rs = stt.executeQuery("select * from YourTable"); rsmd = rs.getMetaData(); cols = rsmd.getColumnCount(); for(int i=1; i |
Hi, is there a way to determine the encoding (e.g UTF-8) a database was created with via JDBC? The goal is to determine that the database encoding is UTF-8 but it needs to be operable with as many DBMS as possible. If not is there a way to get this info from DB2 only? thanks in advance. |
I'm using Aqua Data Studio 4.5 and I would like to ask if a certain column is used to store html codes, then when I retrieved it from the DB, I want it to display the result from the html codes and not print out the whole html codes. Anyone knows how to do it? Thanks. |
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Hi all; I have been trying this for some time now. I have found some tutorials so far but none of them addresses my concern. Here it is: I have built a web application that can connect to an Oracle DB. I have a table called "employee", where I record any employee details, among which the employee picture. I stored the ... |
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Hi, How can i retrieve image from database (in java). i am using MySQL. i have created a table which contain a column of blob type and manualy i have stored one image. after retrieving i will display it in word document. Please help me...... Edited by: netai on Mar 14, 2008 9:11 PM |
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