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Member Avatar for dennysimon

hello all I wonder how to fill datagridviewimagecolumn with an icon. I mean if I place cursor in rows[2],Cells[3] and then i press right mouse down,then certain icon placed in that cells if I place cursor in rows[4],cells[3] and then press left mouse down,then another certain icon placed in that …

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hi all is there an installer for jar file ? (hopefully free ware) so client run setup.exe to install jar file ? thank you denny

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hi i am a university student from Mauritius and i am going for my final year project for my course Bsc in Information Technology. I am good at php,mysql, but now i want to make use of java, android for my final project. So i am already on the track …

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I'm a having a serious problem creating variable. I am creating an application that gets its datas from a database, and before you can access the application you must login first. My problem now is my Login class can do all the validations but I don't know how to set …

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I have a text file that has two columns one with time in milliseconds and the other with (x,y) coordinates. I created a JFrame in a class that extends JPanel. It shows a model of constructed ladder that we use in our experiments. Now I want to print some small …

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hello all I create simple software say it's name K.jar ,I place it on desktop I double click it , it run nicely.I close it. I install Nokia Suite (it available on net) When I double click my K.jar ,Nokia Suite run ,my K.jar doesn't run If I uninstalled Nokia …

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hello all what is the meaning of : "Value@a90653" I just try to print a variable but the result is "Value@a90653" thank you denny

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hello all how to put more than one JLabel in a vertical direction,and right align by computing the length of each of JLabel.Text so the appearance like below Name: Position: age: thank you denny

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hello all I need answer for my question Each time I double click exe file , antivirus raise warning that this is an exe file can harm your computer and bla bla bla . My question is : without deleteing anti virus,is there any way to eliminate this warning. Because …

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hello all I use notepad++ to create my code I use dos command to javac the code some times when there is error in my code the the dos console shows many lines of error message my question is : if the error lines's message is 100 lines or more …

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hello all how to read from a text file which is not only run at the developer machine but also run at the other machine (after jar ing) I have tried ,the code run at my own machine but cannot find the text file on other machine thank you denny

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Hi all I tried todo javac command on two classes (one after another) the problem is when I javac the first it gives me error ,because class of the second not already exist,the same happen when i javac the second ,class of the first also not already exist. how to …

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Hi all when I run commend : "C:\LJava\project\KTest2>java -cp .;org.freixas.jcalendar;.\build components.KTest2" my code runs well I then made a jar file with the command "C:\LJava\project\KTest2>jar -cf KTest2.jar .\build\components\*.class" my MANIFEST.MF 's content is : Manifest-Version: 1.0 Created-By: 1.7.0 (Oracle Corporation) Main-Class: components.KTest2 but when I run command "C:\LJava\project\KTest2>java -jar KTest2.jar" …

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hello all my part of code give me message to recompile with -Xlint:unchecked How to fix this code so the message gone thank you denny [CODE] if(file.exists()) { FileRead fr=new FileRead(); String astring=fr.Read(filePath); System.out.println(astring); /* delimiter */ String delimiter = ","; /* given string will be split by the argument …

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Hello all I have classes all bundled in a package The name of the package is components All the classes placed in a directory c:\LJava\build\components The names of the clases are a.class b.class and c.class How to jar this package ? I use dos prompt(not net beans) main class is …

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hello all how to make window's short cut that call command line: java javaclassname.java thank you denny

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usualy I run java app ( I create by my self) by click it's jar file. How to run it via click an icon on desktop ( how to link between icon and the jar file thank you denny

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Hello all My question is : how to fill an image into a datagridview cell via keyboard For example by type R in datagridview cell(1,1) , a red circle will occupy that (1,1) cell. thank you denny

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hi all, Is there simple example out there where image is made by drawing lines on the panel ,and then print it on paper thank you denny

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Hello all Does Caret Event only for one component only ? I tried to find example for more than one TextField which added with CaretListener,but cannot find one. Anybody know website or has example like I need ? I need to know how to detect which component arise the CaretEvent …

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hello all how to create image from a text file (only from two or three sentences) thank you denny

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hello all when I do javac ,I often warn to use -Xlint ,and then the result has one or more warning. As example I attach the javac's result below.The question is how to eliminate warning thank you denny C:\LJava>javac -Xlint -d build src\KwitansiJava04.java warning: [path] bad path element "%classpath%": no …

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Hi all in code below ,after I got the object aobj ,how can I identify which component aobj actualy is.And where is it Location ? thank you denny [CODE]CaretListener listener = new CaretListener() { public void caretUpdate(CaretEvent caretEvent) { Object aobj=caretEvent.getSource(); Component comp=aobj. System.out.println(aobj.toString()); } };[/CODE]

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hello all I have one textField and one textArea. How to move the cursor to the end of Text of TextArea when -cursor is in textField,and keyboard [Enter] pressed thank you denny

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hello all i just learn java syntax to extrac jar file we command : jar xf jar-file but there no information where the extracted files will be located and what is the sign if the command successfull or not any info ? thank denny

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hello all where is the directory to place file below import com.toedter.calendar.JDateChooser; is it correct if the extracted folders and files be placed in folder c:\com\toedter\calendar\JDateChooser ? or because i place my source file in c:\java\src do i have to place the extracted folders and files in c:\java\src\com\toedter\calendar\JDateChooser ? I …

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hello all is there available code to remove line numbers in front of each line of a text file thank you denny

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hello all how to create JTextArea with border look like standard jTextField 's border ? thankyou denny

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hello all I just learned about addActionListener there are many example about TextField.addActionListener for one TextField only ,but if there are more than one TextField,and all of them have been given Action Listener ,how to differentciate ,from which TextField the Event is come from ? Where can I find example …

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