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50 Posted Topics
 | Hi Team, I would like to increase the space between letters inside select tag. I am not sure how to achieve this. what i would like to get is like below ** letter >> l e t t e r ** ** Below is my html and external CSS code …  |
| | Dear All, I am working in Windows 7 Application Migration team. I need to migrate apps from IE 8 to IE 11. Requirement is 1. During Mouse Hover IE 11 buttons should look like IE 8 buttons. In IE 8 during mouse hover there was an orange border inside the … |
| | Hi All, I have an online screen in which a form filed is filled with Numeric Characters .. if the entered four digits are not numeric, it will throw an alert message saying "**Only numerics allowed**". Now the new requirement is it should accept alphanumeric characeters instead of Numeric Characters. …  |
| | Hi All, I am very new to C Programming. I am writing a C Program to run in an UNIX machine which is used to Archive Log files if it exceeds a particular Size. The thing is the program has to get the details of the file like file name, … |
| | Hi Team, I have a piece of code like below which works correctly in Windows Xp (Ie 7) but when i try it in W7(IE 11) rendering is wrong, when the application first loads the select menu is rendered correctly but when i select an option and again try to … |
| | Hi All, I have an application which runs in IE11. There is one link in the application which has pdf as attachment. when i click on it , IE11 shows a pop-up menu which only has two buttons "save" and "cancel". There is no option available to open the file …  |
| | Hi All, My application works fine in ie 8 but while running the application in IE 11, at first it loads fine. But after sometime when i click on any button or any links in the page, I am getting an error stating ** No action exist for view Null … |
| | Dear Team, Im migrating my application from ie8 to ie11. The below code opens a new window in ie 8 as expected but in ie 11 it opens a new tab. I checked in microsoft website, they told to change internet pop up settings. But i need to make some … |
| | Dear Team, I am having difficulties in changing the background color of a button when hovering over it . I am using IE11 in w7. I used the following internal style sheet in my application. I am using DOM explorer developer tool to alter the code for testing purpose. <!DOCTYPE … |
| | Dear All, I have an animal class and a thread class. Just to understamd the concept of Object lock in threads. I have used the Animal instance as a lock in my thread class. The program never ends. My question is is there a condition i can put before invoking …  |
| | Hi All, I came across this question in Cathy Siera SCJP book and the answer is really Strange and i dont understand. The question is below. class A { } class B extends A { } public class Comingthru { static String s ="-"; public static void main(String[] args) { … |
| | Hi All, I have come across Read and write method from InputStream and outputstream but im finding it hard to understand the logic behind it. Below is a simple example which reads a jar file from input stream and writes it to output stream. Please explain the logic on how … |
| | Hi Team, This is my first Spring Code . I just followed the code provided in the book and tried to run the class , but it throws the below error. Please throw light on it. package spring.hello; import org.springframework.beans.factory.BeanFactory; import org.springframework.beans.factory.xml.XmlBeanFactory; import org.springframework.core.io.FileSystemResource; public class Main{ public static void … |
| | Hi All, I have just completed studying Core Java and started to learn Spring Framework. I think its a silly question but still Im confused about this. Can i build a Dyanamic webpage / website using Spring Framework ? |
| | Dear All, In Java Swing, for all components there is a setSize method which takes int height and width as arguments. And we will pass parameters like 600,500 & 400,300 etc... My doubt is what is the unit of these height and width . I mean on what unit, the … |
| | Hi Team, I have two java Files 1. Print (Package A) 2. Apple (Package B.C) (Jave file is inside C:\Z\A\B\C\ I have compiled and kept Print.class file inside C:\Z\A\B\A\ Now i have made a Jar file of Print.class named MyJar.jar and kept it in Z\A\ When i try to compile … |
| | Hi Team, I am almost going to finish learning core Java and my employers said openings are available for Hibernate/Spring/Struts. I am just wondering whether can i directly start studying one of these frameworks after Core Java. Some people said these Frameworks contains JSP,servlets and important J2EE concepts so that …  |
| | Hi Team, Im preparing for OCJP and in one of the sample question is below Three version of MyClass.class exist on a file system 1. /foo/bar/ 2. /foo/bar/baz 3. /foo/bar/baz/bing And the system class path includes /foo/bar/baz And this is the command invoked from /foo java -classpath /foo/bar/baz/bing:/foo/bar MyClass Which … |
| | Inside the constructor of Inventory, you are calling displayProduct() method which does not exist in the class. |
 | Logical error in your program is you are intialising the String array "menuItems" inside the method addItem. So everytime when you call this method, a Array is created. so Atlast when you add the last item, for example "parallelogram" only that will be present in the newly created array. You … |
| | Hi Team, Im reading collections and there is a topic called Backed Collections. I could not understand the output below . Please throw some light on it. TreeMap<String,String> map = new TreeMap<String,String>(); map.put("a","ant"); map.put("d","dog"); map.put("h","horse"); SortedMap<String,String> submap; submap = map.subMap("b","g"); System.out.println(map + " " + submap); map.put("b", "bat"); submap.put("f","fish"); map.put("r", … |
| | Dear All, I am reading Generics, below method is confusing. It clearly mentioned in the Method parameter that it should accept only List. But when i give ArrayList as Argument it compiles. It should be only List right? eventhough Arraylist is an implementaion class. below is the code PLease explain. … |
| | Hi Team, Im reading Collections. It is mentioned that while intialising priority queue, it uses natural ordering by default. But my output is not like that. Below is my code and output. public class BackedCollections { public static void main(String[] args) { PriorityQueue<Integer> pq = new PriorityQueue<Integer>(); pq.offer(3); pq.offer(1); pq.offer(5); … |
| | Hi Team, I am working on Collections and in order to Sort ArrayList of Objects of a Class based on their instance variable, it is mentioned in book that I need to OverRide CompareTo Method. compareTo Method works fine but Iam not getting the clear idea of its sorting logic. … |
| | Hi Team, I have written a Sample Code in which I cast SubClass reference to point to SuperClass Object. It behaves like a SuperClass reference ( I mean when i try to use Methods which are not in SuperClass,it throws error so it means it is an instance of superclass) … |
| | Hi Team, I have learned RMI Applcation basics.I have a Doubt in setting the Codebase and security policy file in the program during compile time itself rather than manually giving it during run time . During run time we will give like below in the command prompt, C:\>java -cp .;c:\hello.jar …  |
| | Dear All, I am trying to understand RMI Concept and have tried the sample steps and programs written in Oracle website [http://docs.oracle.com/javase/tutorial/rmi/compiling.html](null) In this URL they have mentioned to run the command as below javac -cp c:\home\jones\public_html\classes\compute.jar client\ComputePi.java client\Pi.java mkdir c:\home\jones\public_html\classes\client cp client\Pi.class c:\home\jones\public_html\classes\client I have tried the exact command … |
| | Dear Team, I am Using Eclipse to Run my java programs. But when I try to run a Simple hello world program from Command prompt, I get the below error "Could not find or load main class Test" Test.class resides inside C:\ I Went inside C:\ in Cmd and typed … |
| | Dear Team, I am writing a Swing application for my project which gets the user information and saves it in a database and then displays in a JTable. I thought like, instead of manually updating the data from our client website, why not read the data from the site and … |
| | Dear All, I have studied in my book that after compiling the RMI server it will produce two Class files RMIServer_Skel.class RMIServer_Stub.class But I have succesfully ran the RMI server and made the client connection, but i could not find any Stub or Skeleton files in my workspace. Why is … |
| | Dear Team, I have decided to prepare for Oracle certified Java Programmer certification. When i searched in Oracle site, It showed two certifications for OCJP. 1. 1Z0-851 (Java SE6) 2. 1Z0-804 (Java SE7) For the the second exam which is 1Z0-804 they mentioned, we need to pass two exam first … |
| | Hi Team, I have been trying to understand the concept of RMI by writing a simple classes for 1. RMIInterface 2. RMIServer 3. RMI Client I have written three classes in eclipse and started RMIRegistry by running start rmiregistry command. When i tried to compile RMI server class im getting … |
| | Hi All, I have completed learning core Java and I want to move to next level in Java Study. I am really confused on what topic to cover next in JAVA . And I also don't know what are all the major topics in JAVA to study after Core Java. … |
| | Hi All, I have a questing regarding JTable. If i have two rows in JTable. if user selects a column in a particular row, I need to have the value of that particular column and also the values of rest of the columns in that row. Please advise how to …  |
| | Hi All, I am having a JTable which runs so strange. Jtable is very basic having three rows and three columns. If I use SetValue method to place data in any cell and run the program JTable is not visible. If i delete the SetValue Method from the program and … |
| | Hi All, I have a Jtable with six columns. I am displaying the contents of my database into my Jtable. Its working fine. But I am facing trouble updating the changes done in Jtable cells to appropriate database cell. In the below code when I tried to edit the First … |
| | Hi All, I have a table space in which i have eight columns. The first column is Index which i kept as Auto_Increment starting from 1 so that i can see the number of rows of data anytime. The problem is, for example i have one row of data and …  |
| | Hi All, I am having a tablespace named Incident which has eight columns . The first column is index which i kept as auto increment. The columns are 1.index(auto_increment) 2.ticket_no (String) 3.date(String) 4.description (String) 5.priority (int) 6.state (String) 7.follow_up (String) 8.status (String) Now i tried to insert test row in … |
| | Hi All, In MY GUI app, inside JFrame, i need to put two rows 8 column components first and then below i need to put one button in the center . I created one Jpanel having 2*8 grid layout and placed the components for two rows there and have put … |
| | Hi All, I have just finished reading fundamental topics in Java and now i have decided to do a New Project in Java which comprises all basic features of Java. I need help in Understanding/visualizing the architecture / Design model for my Project. Specification is : 1 . Develop a … |
| | Hi All, Please tell how to Stop Laptop from locking when closing the lid of Laptop |
| | Re: please help I have modidifed your code a little, see if this helps.... import java.util.Scanner; public class Elevator { public static boolean doorOpen=false; public static int currentFloor = 1; public final int TOP_FLOOR = 5; public final int BOTTOM_FLOOR = 1; static int op=0; public static void main(String args[]) { Scanner SO=new … |
| | Hi All, I am trying to write a code which checks whether the username and password stored in the database matches to the string created locally and displays it in console. The program connects to the database and gets the string from the table space correctly, but the problem is, … |
| | Hi All, I am new to use of database in Java. I am trying to write a simple java application which connects to my Database and sends some query and retrieves the output. I have downloaded MariaDB and then created a database named iff and created tablespaces which has some … |
| | Hi All, I have written an application for traffic Study which takes traffic load for seven days, inputting traffic load during morning,lunch,evening and night for each day. The output im getting is this Morning Lunch Evening Night Average Day 0 : 5 5 5 5 5 Day 1 : 5 … |
| | Hi All, Im still finding it hard to understand Paint method, Almost all websites i had gone thru, they are showing examples of how to use it in an applet. I just cant understand on how to use it in a GUI application by extending Jframe object. Here is one … |
| | Hi All, I have a doubt in paint method of the Component Class. I know how to use that in Applet but im finding it hard to use it in GUI app. Im posting my code here, please edit it to make the program use paint method to render any … |
| | Hi All, I have created a Java applet in Eclipse and ran it in eclipse, it works fine . To run the applet in Webbrowser it was mentioned to embed the .class file inside a webpage by creating a HTML file. My class name is MyFirstGUI. i have created a … |
| | Hi all, I have created an abstract class Named Employee and one Sub-Class named FullTimeEmployee. In my abstract class "Employee", i have defined two constructors one without parameter and one with two parameter, both used to intializee first name and last name. My aim is to print payroll for employee … |
| | Hi All, I have created a Class named Stock and have declared three Constructor . First constructor with no parameter, second constructor with three parameter, third with Two parameter. When I call my constructor inside a System.out.println(constructor); , it should display the variable Values right ? . but instead it … |
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