35,619 Topics
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| | Dear all, I would like to design a Quiz/ Test Application like Pass 4 sure, but I am stack on how I should store; (a)The Question, (b) The Answer and explanation ,(c) the multiple choice answers, and finally the (d) the Image for some questions that will have questions relating … |
| | Either nobody in the world from the myriad of forums and discussion boards I have been to knows how to do this, (which seems unlikely, as this does not seem a complicated procedure) or none of those people know how to answer a question concisely and in a straightforward way. … |
| | i am doing a project in which i simulate symmetric encryption in routers.so hav to store secret keys for mac encryption in a symmetric matrix.how do i do it?????????should i convert them to strings and then store strings in a matrix??????? URGENT HELP NEEDED!!!!!!!!! |
 | This is actually not related to jsp.... Its related to the Apache tomcat server..... :icon_rolleyes: I run the startup.bat file where is located in bin folder.. than tomcat was started...it use 8080 port ([url]http://localhost:8080):icon_lol:[/url] after that I created the jsp page using netbeans & rut it.tomcat was started & run..... … |
| | Hi friends I have a chat program. Client.jar is uploaded to my website and Server.jar is executed on my system. Any visistor just have to click link and my Client.jar is downloaded in his system and chatting start properly. But problem arises when visitor don't have JRE installed in his …  |
| | I want to provide report facility in my software.... I have seen jasper reports , crystal reports and many other.... In all of them i like crystal reports because they are easy to make.... can anybody tell me how to connect crystal reports with java app.... I dont have any … |
| | hi I have create a table with 11 fields with field1 is primary key and auto incremented. In java i use prepared statement.The code is working well without auto increment that is i add this value from my program. when i change field1 auto incremented and use prepared statement for … |
| | Hi , I am new in core java. i have develop an application. in that i am used the combobox in combobox i am displaying roll no. of students from sqldatabase. now when i want to find rollno when keypress on combobox. ie. if i have enter 2 then display … |
| | my program does allow it to build with no errors but when the answer is right or wrong, it doesn't actually draw the appropriate string. I coded it in a way that I feel like would make it work but after clicking on the check answer button, nothing happens. Any … |
| | see this is the code that is written in c# in visual studio 2005........In visual studio w can connect sql(not mysql) with c# and can even see the sql table visually......... can we do that similarly in java in netbeans7.0..... how can i connect sql with java.......do i need to … |
| | I need to read a .txt file into a list and then pass one element of the list to a method and return to the main loop, run through the loop again and pass in the next element... Thanks [code] File file = new File("pathToFile.txt"); List<String> contents = FileUtils.readLines(file); do … |
| | Hi, I'm having a problem getting the auto generated ID immediately upon commit. I have an entityBean mapping like this: [CODE] @GeneratedValue(strategy=GenerationType.AUTO, generator="SEQ_SETTLEMENT_TRANS") @SequenceGenerator(sequenceName="SEQ_SETTLEMENT_TRANS", name="SEQ_SETTLEMENT_TRANS") @Id @Column(name="SET_TRANS_ID") private long setTransId; [/CODE] and I am trying to get the Id like this: [CODE]setEntityManager(PersistenceManager.getEntityManager()); getEntityManager().getTransaction().begin(); getEntityManager().persist(settlementTrans); getEntityManager().flush(); getEntityManager().getTransaction().commit(); System.out.println("ID :: "+settlementTrans.getSetTransId()); [/CODE] … |
| | Hello, We have created a DLL in VisualStudio 2005 and installed it in Global Assembly Cache (GAC) through MSI to use in Internet Explorer as a plug-in. This DLL is working fine in Windows XP and Windows 2003 Server OS. For Windows7 OS, if we run IE8 as an administrator, … |
| | Learning about Abstract classes and interfaces, is there anything else I have forgotten about? [B]Abstract Class[/B] 1.Cannot be initated. 2.Can have concrete methods. 3.Abstract methods with no body 4.A class extending the abstract class does not need to use all the abstract methods from the abstract class. 5.A class can … |
| | So I need to make a table where all the records in my ACCESS database will reflect. The table should be editable. the table should have the basic functionalities such as ADD, EDIT and DELETE. I also need to make a search where a user can type what he/she wants … |
| | hi i am working on servlet using eclipse IDE .i have attached html form. I am unable to format drop down list. how to do it. how to align the drop down list.please help. |
| | I have made a single combo box and added it with table... Items are added from database. There are three combo box A , B AND C ... B depend on A And C on B. Now if i select anything from row one A combo box it will load … |
| | I'm having an issue that I've been working on most of the day. I want to get the user name, then return it twice, but can't seem to get the variable right. Here is my code. [CODE]import java.util.Random; import java.util.ArrayList; import java.util.Scanner; public class mlab { // instance variables - … |
| | [I]Hello all, I am looking for some help writing an application with the following attribuutes: An online retailer sells five products whose retail prices are as follows: 1. Product 1, $2.98 2. Product 2, $4.50 3. Product 3, $3.98 4. Product 4, $4.49 5. Product 5, $6.87 Write an application … |
| | So I have a program scenario for a postman who carries out an experiment: 1. He has mailboxes numbered 1-150 all of which are 'closed' 2. Starting with mailbox 2, he 'opens' all even-numbered mailboxes, leaving all others 'closed' 3. Next, beginning with mailbox 3,goes on to 'open' every third … |
| | i m using gettext() method in getting text from the form and pass it to the sql query to record in the mysql database. when i don't enter any string for textfield (for eg: phone no.) , i get sql exception error.. here is my sql query in the code.. …  |
| | Hi to all dear friends. I'm struggling with OpenLDAP integration into Liferay Portal. At the moment I'm on a Windows machine, but I tried also on a Linux one without any luck. So, this is the content of my OpenLDAP database on my Windows machine: [code]dn: o=uni,c=it o: uni description: … |
| | The following code is for a standalone applet that calculates a shipping rate based on a selected shipping method. Normally, the program would read the total price of purchases from the website but for the sake of this exercise, the user will enter the price on the applet. [CODE=java]import java.awt.*; … |
| | Guys, I want to get good at servlets and JSP .... please tell me what all I should do to achieve this ..... I know that theory alone wouldnt help me .. so what kind of stuff do i need to practice ..... and where can i find them Thanks |
| | Hello , I ask if any one can help me , by suggest tutorial . I need make java app GUI which take String from user , and write this String in web page text field . for example : username and password , when both are written on the … |
| | My program includes a code segment as following: [CODE]for (int j1 =0; j1<2;j1++) { for (int j2 =0; j2<2;j2++) { System.out.println("j1="+j1+"j2="+j2+" "+temp1.get(j1)+"----"+temp2.get(j2)); if (temp1.get(j1)==temp2.get(j2)) { System.out.println("find match"); } } }[/CODE] The program prints out sth like j1=0j2=0 7698380----7698380 the difference is 0 j1=0j2=1 7698380----7726365 the difference is -27985 j1=1j2=0 7726365----7698380 …  |
| | Same problem but with a file !! I have a file on a web site read by an applet. This file is now "corrupted". The applet can't read, the editor of this fiel can't read ! I use serialversionids for my own classes but I don't subclass all the classes … |
| | i want to know if is it possible for a client to consume a gui object like JFrame ot JTable by using jax-ws web service.for example for a server web method to return a JFrame so as for client to consume this method??? i've searched a lot.i want a useful … |
| | Hi all, I am generating a html report displaying the records. In that report their are 10 rows and 4 columns. In 4th column i am adding the button. Now i want to use button click event i.e onclick() . 1) how i call the javascript function/Javascript. 2) how can … |
| | hi, why explicit cast is *not* required here? [icode]static Float f3 = new Float(5.5); //causes compile-time error b'se, by default floating-point literal type is double[/icode] but requires here, [icode]//static Short sh1 = new Short((short)12); static Short sh1 = new Short(12); //causes compile-time error b'se, by default integer literal type is … |
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