Neversleepin

Hi everyone, i'm trying to code a Clock with 2 7segment (commun anode) with 8051 microcontroller in assembly language. i use only two 7 segment led because i want just minutes and secondes for hours i will see later. So i tried to code and when i run it, it's …

Hello, how can copy and save the console message to a file using logger. i try this :[Click Here](https://friendpaste.com/6FWNg0QIzY7DoPXisOyqpv) but it's only saving warning and info messages to my file. thank you

Hello everyone, i have a NullPointerException error in my code at line4. Can someone guide me please. the code is here:[Click Here](https://friendpaste.com/21WFtusmIesUcgQ8erTzT9) Thank you very much NS

Hi everyone, i want to set input verifier for a jspinner when the user click a value and if the value is out of range (0 to 10) it must display a message like "Please enter a value between 0 to 10" and it must validate until the correct value …

Hi, i have two buttons: Add button and Clear button one Jlist 1- when i click on Add button, it will add some data in the jlist. 2- when i click on Clear Button, it will clear perfectly the jlist. but when i re-click on Add button, here it add …

Try the java robot api

i'm trying to modify a java code. I have a jSpinner where the user have to choose a number like minimum 0 and after this step the user can continue by clicking the OK button and continue his steps... So here what i want is when the user didn't enter …

Hi, i try to handle a Neagtive number exception in my code. i tried this but it shows "illegal start of type" why please? Here is my code: public class JPanelTemporal extends javax.swing.JPanel { public JPanelTemporal() { initComponents(); } public void setDuration(int duration){ this.jSpinnerDuration.setValue(duration); } public Time getTime(){ Time time …

Hello, is it possible to display an Error message when we enter a number in jSpinner. I tried this, in Netbeans i right-clicked the jSpinner , then go to -Properties -tooltiptext and write Range 1 to 200 -Model i choose the spinnermodel/Spinner Model Editor/Model type = number model properties = …

As me you can find many tutrials in google. For example here: http://tutorials.jenkov.com/java-exception-handling/ or her http://en.wikipedia.org/wiki/Exception_handling This will help you Thanks

HI, could someone explain me this line of code: public void createTextFile(Layer layer, String prcString, String arString) { File fileStatPercent = new File(fileName+layer.getName() + "Test.txt"); try { BufferedWriter out = new BufferedWriter(new FileWriter(fileName + layer.getName() + "Test.txt")); out.write("something"); out.newLine(); out.write(prctString); out.newLine(); out.write("something"); out.newLine(); out.write(arString); out.write("\n"); out.close(); Thank you, i don't …

Hi, i have a JComboBox in a small java program. if i see the properties of the JComboBox i can see SelectedIndex = -1 SelectedItem = null But i can't the name of each item and i have 5 items normally. Where can i see them in the properties? Thank …

Hi all, Here is what i found with google to Find and Replace word in Java: [CODE] public class ReplaceAll { public static void main(String[] args) { String str="We want replace replace word from this string"; str=str.replaceAll("replace", "Done"); System.out.println(str); } }[/CODE] It works well but how to do the same …

Hello, i try the tutorial Get Attachment File Name from Java2s.com. What i'm doing is to read email from the Outlook Web Access Light. If i put the url address of the Outlook Web Access Light, i have the error: [CODE]Exception in thread "main" javax.mail.NoSuchProviderException: No provider for http at …

Hi, i'm trying to write a batch file that that copy the 10 first lines from a text file (myfile.txt) and paste it to an existing file(target.txt) at the top of the text. So i tried this after searching in google but it doesn't work as i want. [CODE]@echo off …

Hello, i would to import the last modified txt file from a directory (c:\Folder) using a macro in Excel. I have a folder which is incremented everyday by a new txt file. The goal is to import the last txt file added in the direrctory. I've already created a an …

Hello, i'm beginner in eclipse and i try the helloWorld.java with Eclipse After creating the JAR file, if i click it, i have an error message: [CODE]Failed to load Main.Class manifest attribute from D:\Ecipse\workspace\HelloWorld\[/CODE] I don't understand why i can't launch my HelloWorld.jar My java version is 6.1.7.600 and i …

Hello, i would like to know how to implement the FileNotFoundException in my code. my code concatenate files from a Folder, it's working well even if there is no file. So i want to throw a message something like 'There is no file in the folder" If there is no …

hi, i try to run java program with ProcessBuilder but it works only with .exe file and with .jar or .java i use netbeans 6.9 why please? [CODE]import java.io.*; public class Mani { public static void main(String args[]) throws IOException, InterruptedException { try { Process p=Runtime.getRuntime().exec("javaw -jar D:\\NetBeansProjects\\GetIPAddress\\dist\\GetIPAddress.jar"); } catch(IOException …

Hi, i have a text file containing data like temperatures, voltage... this file contains more than 2000 rows What i want is to import this text file with Excel using Java. because i don't to open excel then click on import then choose the file...etc If someone know a tutorial …

Hi, i'm trying to copy and paste 12 last modified files from a folder to another one. my code is working but it gets every files in the folder with any dates. any help will be appreciated. Thank you very much [CODE]import java.io.*; import java.text.*; import java.util.*; class FileFilterDateIntervalUtils implements …

Hi, i'm still beginner in java. Here is my simple question: if we have two java programs like: -test1.java which open a file for example. test2.java which move one file to another directory. Suppose these two programs are working well separately. if one day, we want to write just one …

Hi, here i just try to delete the content in text file between S and e letter. but i don't know to write the ReplaceAll() methode after this [CODE]String[] paras = Pattern.compile("^(S)(.*)(e)$").split(inputText);[/CODE] How could i use ReplaceAll() here? Thank you

Hi, i'm trying to use regex to delete lines which starts with a letter or a number. for example: if i have a text file with many lines and i want to delete every lines which starts with S and 2. What operator do i have to use? i tried …

Hi everyone, i would like to extract data from text like the following one: [CODE]........... 2011/01/12 The thread 001 title should clearly describe 2011/01/12 This describe or discussion topic. General 2011/01/12 This desc 002 nor discussion topic. General 2011/01/12 titles is 003 as 'Help Me' or 'Urgent' 2011/01/12 This describe …

Hello, in java, if we want to extract all values between 10 and 100, how could we express between in java. Is there any symbol like && || ..? Thank you

Hello, here is a code for retrieving some lines from a text file. i'd like to extract data from line2 to line4 ---> this is working but in the same time i want to data from Line10 to line12 here is the code, my conditions is not working: Thank you …

Hi, i know how to read specific line form a text file but if we want to delete lines by specifying the line number. here is the code, but it's not working: i want to delete line 1 and 2 of the text file. [CODE]import java.io.*; public class ReadSpecificLine { …

Hello every one, is it possible to get files from a file list display with System.out.println. I mean for example if you code something like: System.out.println("file.getName"); Then you get a file list. After how could we use this file list to for example copy or move or anything else with …

Hi, is it possible to get the list of last life added in a folder with java? i don't want to get the lastmodified file which return a date or time. i want to get the file name of last added in a folder. Thank you all

Hello, Could someone advice me for the best ide for GUI building in java? Thank you

Hi, I’m trying to code a small program which allows us to select multiple files from a folder and save the content of all files previously selected in one file. The code is very well without GUI (in console). But now I want to do the same with a GUI. …

Hi, i'm trying to create a "Save as" frame with my small program. It must open a Save As windows where i could choose the name of the file (txt) that i want to save. Is there any method to do this? i didn't find with google. Thanx

Hi, i'm trying to understand how actionPerformed is working. I'd like to know how to add more than one action in actionPerformed method. Here is an example of my code. I have two button b and c and the button b must open the gmail.com page. // this first action …

Hi, i'm trying to copy all txt files from a directory into one file to another directory. But i have the following error: "FileStreamsTest: java.io.FileNotFoundException: . (Accès refused)"" My txt files are located in the project folder of NetBeans. here is my code: [CODE]package FileStreamTest; import java.io.*; class FileStreamsTest { …