32,199 Topics
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| | Hello I'm trying to get a jTextField to be updated by another class however the validate() and repaint() aren't working. However, it is saying that the text has been changed for my jTextField. Below is the code could anybody explain to me why its not updating the repainting the jTextField … |
| | Hi..I basically new wit java. i have a program called Transfer.java..n when i press button caleed "start Transfer" it executes FileServer.java [CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.Random; import java.util.*; import java.text.*; import java.rmi.*; class transfer extends JFrame implements ActionListener, Runnable { JButton btntrans,btnexit; ImageIcon bc; … |
 | Hi Everybody, I was wondering how to make a java image editing application. Basically, I really want to make a program that allows the user to drag and stretch images. I don't want the code. I'm only in search of a decent tutorial. Thanks in advanced for your help. |
| | Hi there, I have a task to Create a program that: -finds the shortest way which connects the root with a leaf in the Tree; -finds the closest common parent of two given nodes A1 and A2 in the Tree; -finds all nodes, which are simultaneously parents of nod A1 … |
 | Hi folks, Using shell script I'm running two java applications at background. The output of 'ps -ef' is UID PID PPID TTY STIME COMMAND Amar 2388 1 con 15:35:58 /usr/bin/bash Amar 1272 1 con 15:44:29 /cygdrive/c/Program Files/Java/jdk1.6.0_01/bin/java Amar 3972 1 con 15:44:55 /cygdrive/c/Program Files/Java/jdk1.6.0_01/bin/java Amar 1600 2388 con 15:46:12 /usr/bin/ps … |
| | Hello frnds, I am suffering with a problem. Please help me. The problem is when i am displaying a list of items or say component in to view then the list got weird or we can say jumbled(one item above another) comes for a short moment(less than 1 sec). i … |
| | NEed HELP starting it off..not sure what im doing wrong..Please!! The Percentile class The constructor of your class should have one parameter representing the capacity of the array that the class will contain. The array should be a double array with its length equal to the capacity. You will also … |
| | I`m taking java class and I`m thinking about getting one of those mini laptops just to do my school work and be able to access the internet. for the price and portability, I`m looking at the Acer Aspire One AO532h-2326 I`d like to get an advice from you guys. How … |
| | One of my programs work with MySQL (Connector/J Driver). The issue is, some of the contents I'm passing into the query string are read from a file that contains several escapable characters. When I try to commit the query (such as an INSERT) with a value that has unescaped characters … |
| | Hey, I am trying to make a program that has pictures on the GUI, but am having trouble making the picture show up. Here is the code: [code] import java.awt.*; import java.awt.event.*; import javax.swing.*; /** Quick example showing images (specifically ImageIcons) on JButtons and JLabels @author Sharon Tuttle @version 11-04-08 … |
| | Hey everyone, first time one here and i thought i would show my most recent university java assignment. I'm just looking for feedback... wanna see if i am developing good habits or bad. the assignment is completed and marked by my uni so i am not looking for help.. they … |
| | Im abit confused about the problem im solving right now. it says that i will create a program that would let me input any word, and count how many letters are there. and afterwards i will also make another statement letting me input any letter,then the program would determine if … |
| | Hello, I am a complete beginner at Java and I'm having a problem with something I don't understand at all. I'm trying to complete some homework in which I need to finnish off writing a small program which reads a text file and checks brackets in the file. Basically, it … |
| | Hi, I'm having trouble getting age 10 occurrences and then removing age 10 from the list. Then I want to be able to print the list without displaying age 10 in it. I trying to use my bag class implementation to do this successfully. My bag class is below. Any …  |
| | Hello..Im trying to read the HTML from a URL and I threw in yahoo.com as a test...for some reason, "n.readLine()" is coming back as NULL and the while loop fails...and ideas?? thanx [code] <%@ page import="java.io.*" %> <%@ page import="java.net.*" %> <%@ page language="java" %> <%@ page import="trader.webservices.util.Utils" %> <%@ … |
| | If you are writing a switch statement that takes in a scanner type, how do you prevent a runtime error if a string or char is entered. [CODE]Scanner s = new Scanner(System.in); int a; a = s.nextInt(); switch(a){ }[/CODE] So if i ran the code and entered "abc" then i … |
| | TYPE=WIFI|TIME=1263867778390|ID=00:24:c3:31:2b:e0|NAME=csusm|RSSI=-93|WEP=true|INFR=true TYPE=WIFI|TIME=1263867778390|ID=00:12:17:7b:33:04|NAME=csusm|RSSI=-80|WEP=true|INFR=true TYPE=WIFI|TIME=1263867778390|ID=00:1f:27:55:f7:70|NAME=USMHotspot|RSSI=-70|WEP=true|INFR=true TYPE=WIFI|TIME=1263867778390|ID=00:1e:13:ee:3e:40|NAME=USMHotspot|RSSI=-85|WEP=true|INFR=true TYPE=WIFI|TIME=1263867778390|ID=00:24:c3:31:b8:80|NAME=csusm|RSSI=-91|WEP=true|INFR=true TYPE=WIFI|TIME=1263867778390|ID=00:90:4c:60:04:02|NAME=csusm|RSSI=-94|WEP=true|INFR=true TYPE=WIFI|TIME=1263867778390|ID=00:1b:0d:d6:6d:50|NAME=USMHotspot|RSSI=-70|WEP=true|INFR=true The above is a part of my log file. The problem i faced is how to just get ID with its particular RSSI value ? Because i want to calculate the average RSSI value for each different ID . I tried split.string, delimiter, … |
| | Ok now suppose i have some code and there is a point where the user is asked to input some value into showInputDialog...and then the user must input a String value, but if the user inputs an integer value, the program crashes...please help me and explain me how can i … |
| | Hey everyone! If I have a matrix as follows: int[][] mat = new int[5][3]; Does that mean that the row size is 5 and the column size is 3 or vice-versa? I am really confused about whether the order is [row][col] or whether it is [x][y] in relation to the … |
| | Hi everyone, I am using the Struts 1 framework to develop a web application for my FYP. So far I have been able to access the properties file from all jsp in my application with example such as the following code. [CODE]<bean:message key="welcome.title"/>[/CODE] I want to have the entire web … |
| | Hello, everyone. I'm at the moment doing a homework assignment involving static methods and arrays. It consists of the following instructions. I'm to create a class known as ArrayStatisticsMethods and in this class, there are definitions to four different "public static" methods which will be described. I'm provided the use … |
| | Hey there guys, first post here :). The problem I have is regarding 2D arrays ofcourse. So I have a .dat file that is 1000x1000 in size, I then need to find what the [B]int[/B] is given a specific x,y co-ordinate. I scarcely know arrays and have no idea on …  |
| | in this program i have to use listners, and radio buttons and buttons....right now i am doing the first part of the program where when the user selects the radio button for circle two circles appear on the screen..... [code] import javax.swing.JFrame; public class shapes { public static void main(String[] … |
| | So I'm redirecting my print outputs to a stream, which becomes a char array. Then, when I use Junit, I use .toString() on the char array to make it become a long string. However, when I compare the string with the exact string that it should be, it says they … |
| | Hey guys! Would some kind soul please be able to tell me how i can add some form of text field (for user input) which can be positioned anywhere easily with X and Y values and has no border (or the border is removable).. I've seen it many many many … |
| | I have a program where my JFrame contains a tabbed pane with 3 tabs, I am wanting to make it so that when tab1/jpanel1 is doubled clicked it displays the contents of the JPanel on the second monitor. In my case the second monitor will be a large plasma screen … |
| | Hi, Im writing a java app that uses hibernate for DB stuff. The thing is that it takes some time to start hibernate, and I would like to have a progress bar to show the loading procedure, and maybe print what hibernate is outputting [code] public class HibernateUtil { private … |
| | Hi there, I'm working on a simple java program that allows a user to input numbers via console, throws an exception when a string is entered, and tallys up and prints the integers when the user simply hits enter with no input. i.e. Please enter a value: 5 Please enter … |
| | I have this hashCode function that I have been trying to implement with Eclipse but my Tests keep failing. I am trying to write a Hashcode function that returns that last 2 or 3 chars of a word or number. Here is my current code: [CODE]public int hashCode(String value){ String … |
| | if(mail.equals(usermail) && date1.equals(date) && title1.equals(title)) { System.out.println("record is matched"); returnFlag = true; break; } the if statement is not executing even though all the strings are equals. |
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