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Java Programmer
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Hi, In C program Function has three parts, Function Declaration. Function Definition. Function Calling. In java i cannot able to declare a function .Is it possible to declare a function in Java. For example: [code] import java.io.*; import java.util.*; class Fun_example { // show();//Cannot able to Declare a Function ? … |
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I am trying to develop an application where user will upload a file from screen, the file will be processed in server side. I am using Adobe Flex for UI, Spring 3.2 as middleware and Java 5. I can successfully upload the file and in server side can get the … |
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I have a question - how mwmory is allocated when any data structure is declared? Suppose I have declared a list as follows - List<Integer> lst = new ArrayList<Integer>(); How many bytes will be allocated for that variable or initially no memory will be allocated? Memory will be allocated when … |
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I have found a strange problem in my Ubuntu 12.04 laptop. When the machine is started, everything is working fine. But if I press the Right Shift key, the keyboard starts to work abnormally as follows - 1. All the letter keys is displayed in uppercase even if the caps … |
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* I use Remmina as remote desktop client to use my Windows 7 machine from Ubuntu 12.04 machine. It was working fine, but suddenly stopped working. Whenever I try, get the following message - **Failed to startup SSH session: Connection refused**. Then I tried with another Remote Desktop client such … |
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I have a requirement where value of one field in an object will be determined dynamically using a configurable table. For example, suppose I have the following table - Pk | Reference_column ---------------------- 1 | TAB_REF.AMOUNT where TAB_REF is a reference table and AMOUNT is one of the column of … |
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Hi team, Can any one say what is instance Method in java ? *Method Overriding Concept? Thank you, with Regards, Prem |
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I was trying to run a shell script and run it through Cygwin terminal in XP environment. The script I have written is as follows - [CODE]#!/bin/bash read -p "Enter Your name - " fname if test "$fname" == "abcd" then echo "Thank you abcd" fi[/CODE] When I am trying … |
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I was trying to run a shell script and run it through Cygwin terminal in XP environment. The script I have written is as follows - [CODE]#!/bin/bash read -p "Enter Your name - " fname if test "$fname" == "abcd" then echo "Thank you abcd" fi [/CODE] When I am … |
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I am trying to write a shell script which will read a file and counts the number of vowels in the file. The code which read the file is as follows - [CODE]while read -n 1 c do l=$(echo $c | tr [:upper:] [:lower:]) [[ "$l" == "a" || "$l" … |
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I have two OS in my Dell vostro laptop - Windows XP and Ubuntu 10.04. In XP, the wireless is working fine, but in Ubuntu, it is not working. I have checked the wirless driver from System -> Hardware Drivers, it is installed and is in active state. The wired … |
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I am a newbie in linux. After installing ubuntu 10.04, I tried to install google talk in linux. For this, I installed Wine and then downloaded the gtalk exe. But when I am trying to open the gtalk exe using Wine, it blocks the application with message it is not … |
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Hi, I am a new users to Linux and I am using Ubuntu 11.04. In my laptop, I have two logical drive C:\ and D:\. I have installed Windows XP in C drive and Ubuntu in D drive. From Ubuntu, I can mount the C drive and can access the … |
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I have Ubuntu 10.04 installed in my machine. I have set up audio drivers properly so that it was working fine. But when I was listening music in Youtube, it suddenly stoped working. Though the headphone is working, but the speaker is not. I have checked, all the drivers are … |
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Hi, I got a problem connecting my wirelss network from my Dell Vostro laptop. The OS is Windows XP-SP3. The network card is Dell 1394 Adapter card. When I checking the device manager, it says the device is working properly and the driver also installed. The m/c can detect all … |
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I am using Ubuntu 11.04 and using Empathy as chat client. I have added my gmail and yahoo account in the Empathy and they are working fine. I can now chat with friedns without any problem. But when I am trying to voice chat, I can't hear from friends but … |
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I am trying to write a simple servlet program. But getting the error The requested resource (/servletexam/LoginServlet) is not available. I have created two servlet classes as follows - [B]LoginServlet[/B] [CODE] public class LoginServlet extends HttpServlet { Hashtable<String,String> users = new Hashtable<String,String>(); public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, … |
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I am trying to write a simple servlet program. But getting the error [B]The requested resource (/servletexam/LoginServlet) is not available[/B]. I have created two servlet classes as follows - [B]LoginServlet[/B] [CODE] public class LoginServlet extends HttpServlet { Hashtable<String,String> users = new Hashtable<String,String>(); public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, … |
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Hi all, I have implemented some code for simple columnar encryption. The algorithm is encrypting properly as I want. But during decryption it's giving me some errors. Please go through and suggest me if any idea [code] public static void encrypt(RandomAccessFile f,RandomAccessFile d,int columns) throws Exception { d.seek(10); // SEEK … |
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Hi I need help with the while loop and read from a file to find monthly mortgage payment from the input of Principle, Interest & Term in years. I know I may did something that doesn't make sense here, please take a look and let me know. Thank you in … |
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How do you determine what the main hard drive is? This is what I have: [CODE]filename="savefile2.txt";[/CODE] and this is pseudocode for what I want: [CODE]filename="MainDrive:/JavaProject/savefile2.txt";[/CODE] My problem with it is, what if C: isn't the name of a person's hard drive? F:\ for instance. And also, if the folder name … |
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[CODE] class Switch { public static void main(String args[ ]) { String season; int month =10; switch(month) { case 12: case 1: case 2: season = "Winter"; break; case 3: case 4: case 5: season = "Spring"; break; case 6: case 7: case 8: season = "Summer"; break; case 9: … |
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what is the use of constructors in java when we can intialize objects directly |
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hi all,, i really don`t know what its wrong in my code ,,, what i want its the user print the sentence and the program count eash sentence and devide it here is my code,,hope u help me :) [code]import javax.swing.*; public class tracing { public static void main(String args[]) … |
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Hey! I started using java this year and I finished a java project but when I try moving it somewhere else in my directory it does not execute anymore. My project directory tree goes like this (I am using eclipse)... (ignore the "-") /Root - /bin -- JavaProgram.class -- JavaProgramMain.class … |
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I am writing a tiny program to learn Spring framework. My application will just print a message which is binded with the view in the server side. My jsp is as follows : [CODE] <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <html> <body> <p>This is my message : ${message}</p> </body> </html> [/CODE] … |
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in my laptop, some of the key which has some functional value associated with it is not working properly. For example, if i press the 'i' key, the value displayed is 5. But if i type Fn+i, it prints i. Similarly m - 0, k - 2, l-3,u-4, p - … |
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I had an assignment to create a calculator in two ways, 1) Method returning values. 2) Method without returning values. I've done this with methods returning values but how could i add, subtract, divide , multiply without returning a value from methods ? [CODE]import java.io.*; class first{ int a=5,b=2,c; public … |
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I was trying to develop an application with Derby. I have java 6 installed in my machine. But I couldn't find any derby.jar or derbytools.jar under my java installation directory. Should I have to install it seperately? As per as I know, it installed automatically with JDK 1.6. |
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Currently, reliance icall does not support any versions of linux. Is there any way to install it in any linux versions using some bridge software or third party software? |