32,199 Topics
 | |
| | [CODE] public class test { public static void main(String [] args) { Person p = new Person("ABC"); p.setName("DEF"); changePerson(p); System.out.println(p.getName()); } public static void changePerson(Person p) { p.setName("GHI"); p = new Person("JKL"); p.setName("MNO"); System.out.println(p.getName()); } } class Person { String name; Person(String name) { this.name=name; } public void setName(String n) … |
| | [code=java] import java.io.*; class Factorial{ public static void main(String[] args) { try{ BufferedReader object = new BufferedReader(new InputStreamReader(System.in)); System.out.println("enter the number"); int a= Integer.parseInt(object.readLine()); int fact= 1; System.out.println("Factorial of " +a+ ":"); for (int i= 1; i<=a; i++){ fact=fact*i; } System.out.println(fact); } catch (Exception e){} } } [/code] Trying numbers … |
 | are there any good (comprehensive) tutorials that anyone knows of for the SAX parser? i cannot find a good one |
| | Hai friendz ,iam doing project in mobile i done small application in j2me its working fine when i send via bluetooth to mobile but iam trying to download jad file from apache tomcat server its working fine when download in my system, when iam trying to download jad file from … |
| | I just started research and playing around with Java a week ago. My uncle's company gave me all the necessary software and everything, and now I am trying to learn as much as I can in the fastest possible time. Browsing through the first page, I realized that I wanted …  |
 | I'm getting ridiculous results in my program! Seconds work fine Decaseconds (1/10 of a second) work ok Centiseconds seem a bit off Milliseconds are completely off... Here's the code-- [code=java] import javax.swing.*; import java.awt.event.*; public class Clock{ private Timer t; private long startTime = 0, finishTime = 0; private boolean … |
| | when creating jar file i use following command in DOS [CODE] jar cf UIA.jar *.class *.jpg *.html *.xml *.jhm *.jar [/CODE] then i adding manifest by typing following command in DOS [CODE] jar cvfm UIA.jar mainClass.txt [/CODE] when i double click the jar file, nothing come out, i think maybe … |
| | Does J2EE support TCP connection? If yes, how can I use these in J2EE: java.io.DataInputStream, java.io.DataOutputStream and java.net.ServerSocket Some one said to me there is no chance: Specifically, enterprise beans should not: listen on, accept connections on, or multicast from a network socket! Is this correct? Please help!?! |
| | Is there anyway to create a new thread..basically create an object of a class within an existing thread and kill this existing thread so only the newly created child remains? |
| | Hi All, I am thinking, it would be best to generate the complete Javascript Code for the navigation menu within a Java-Class and call this functionality out of the JSP page. To make it easier to maintain the menu-structure and all the therefore needed information, we had the idea to … |
| | Hi, I am taking a course that is Java based over the summer and the prerequisite class which I took a year ago was in c++ and has recently been switched over to java. So now the class expects me to have a good background in java but there is … |
| | just started playing around with CSS and find I have a weird little problem related to printing and hidden divs. a page contains hidden divs (hidden on screen) - the page uses a print css file so that these divs will be printed when the page prints there are also … |
| | Hey guys, Most embedded devices suc as the Amtel boards seen to require C / C++ programming, why don't they support Java? Is it question of performance? Or am I overlooking something?  |
| | Alright. Usaly in the tool bar, there is the java symbol and it says java is running. Well my dad went on a spaz and Closed that. So now if I try to enter a chat room or watch a video (Not all videos) its just a blank field, nothing … |
| | Hey all I started learning java and I installed it on my Desktop(XP) and it was fine I could run the programs I made it was all good. When I came round to installing java on my laptop running Ubuntu I followed the guide here [URL="http://www.wikihow.com/Install-Java-on-Linux"]http://www.wikihow.com/Install-Java-on-Linux[/URL] I I followed the …  |
| | hello everyone...i am a graduate in computer science.... i have read and i have learnt core java..... but please clarify to me about J2EE, J2SE, javascript etc etc what are all these????? pls explain the difference between these and the basic core java that i learnt....... thanks in advance. |
| | Hello All, Now please do not laugh at me, I am trying my best here. As you all know, I am taking a Java programming introductory course at the local city college, and the instructor has mentioned that any program that contains code that he did not discuss in class … |
| | Hello, I am wondering if it's possible to hide/show components on a form, depending on which radio button is selected. For example lets say i have two radio buttons (in a buttongroup) and two buttons. When i select the first radio button i want the first button to show, and … |
| | I hae been trying to run some arguments in the cmd through java and it isn't giving me any errors. I know it is opening cmd and it executes the last argument to create the file. The only problem is that the output is not writed into the file. If … |
| | public class pan extends JPanel { public void paintComponent(Graphics g) { super.paintComponent(g); Color col1=jc.getColor(); g.setColor(col1); g.drawRect( 30,30,800,600);//600 = width 400 = height for(int i=30;i<=620; i=i+20) { g.drawLine(30,i,830,i); //for Horizontal lines change only y value (both shud be same) and x shud be 0 } g.setColor(Color.white); for( Integer i=10;i<=620; i=i+20) { … |
| | Hi all, I'm developing a drawing tool using Java. This will support drawing diagrams ( basically electrical components in a network ). As the drawing panel ,i have uesd a JPanel within JScrollPane so that user can scroll their diagram. The origin of my drawing panel is the top-left corner … |
| | I am currently working on sending a file that contains one or more sentences through a parser, using command prompt. C:\ exe argument1 file is the format it must be sent it in command prompt The parser works and will return the parsed sentences in the command prompt ranging from … |
| | Hi, I am doing a computer home course and they have asked me to practise the use of the switch by creating an class which I then instantiate in another program to invoke the method that the switch is in. Phew. Anyway, the book I am currently learning from is … |
| | [COLOR="Red"][B]how can i use clrscr() function in java programming.....[/B][/COLOR] |
| | Hi, I am creating the updateuser.jsp page. For that I create search.jsp where one can serch users and after submitting this page.it should display the updateuser.jsp page where I can update the details of user. Here is my code of searchuser.jsp: [code=JSP]<% Connection connection = null; Statement st = null; … |
| | Hi, I am new to programming in java...can you recommend me some study material from which i can practice and get started.I want some reference where there are basic sample codes from which i can learn and start applying them in problems |
| | Trying to retrieve the OS environmental variable for a user... I looked at this code [code] import java.io.*; import java.util.*; public class ReadEnv { public static Properties getEnvVars() throws Throwable { Process p = null; Properties envVars = new Properties(); Runtime r = Runtime.getRuntime(); String OS = System.getProperty("os.name").toLowerCase(); // System.out.println(OS); … |
| | How to read file from https post with certificate. This is my code public static void postHttp(String Linknya) throws MalformedURLException, IOException { File source=new File(path+"hasilnya.csv"); if (!source.isFile()) { source.createNewFile(); } source.setWritable(true); if (source.canWrite()) { BufferedInputStream bis = null; BufferedOutputStream bos = null; try { URL url = new URL(Linknya); URLConnection … |
| | I am wondering if there is a way to load up a image and trim the white space of it? like imagemagik for php have that feature but for java wonder if there is anything that can trim white space |
| | I really need help understanding this, I have to write 200-300 words due this week though I can not seem to understand what little my book tells me about it. Sadly this is all i got from my book...Multiple parameters can be declared by specifying a comma-separated list. Arguments passed … |
The End.