31,001 Topics
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 | Hi, I have fixed some parameters to my constructor but unable to make them work. Here is my sample code:- [CODE] public MyConstructor(String filename, int value1, int value2){ this.filename = filename; this.value1 = value1; this.value2 = value2; File reading code BufferedReader fh = new BufferedReader(new FileReader(filename)); ................ } public static … |
| | Hi all, In java how can we login the remote node from the existing system.can any one tell it is possible and if tell me pls...! |
| | Hi, My code below :) - String parserConfigurationClassName = this.cli.getParserConfigImpl();//Gets implementation's name as a string Class parserConfigurationClass; try { parserConfigurationClass = Class.forName(parserConfigurationClassName); } catch (ClassNotFoundException e) { throw new IllegalArgumentException("Failed to load parserConfigImpl [" + parserConfigurationClassName + "]: Class not found"); } So as you can see, I am trying … |
| | Hello. I have come across a null pointer exception in my code. I understand this is got if there is no class/method/variable being referred to but in my case, I have a method in another class that is supposed to be called. However, the exception is thrown at the where … |
| | The environment of my application is as mentioned below : The application is a Router/Accounter library used to identify an appropriate Route (and also the price for that) when a destination for a Mobile number is queried through the API. The Route to be used for sending an SMS message … |
| | Hi guys, I need to open a file and extract numbers from it. The numbers in the file are like this 12 34 23 12 00 10 02 12 22 33 10 12 09 03 03 93 etc I am able to extract the numbers in string format and store …  |
| | Hi there, im using a java program call Blue J and im now learning something new on java, but it quite complicated on my coding and having some problem with it or may be i have screw up with my looping and linking another new java call addIntegers with it, … |
| | theres a login form that can be used by 3 types of people with different permsissions. on login the user in question is proccesed by a servlet and is redirected to a myaccount page, that depending on his permisions has 1-3 additonal href's; those too, should be generated dynamically; so … |
| | I'm trying to get a java applet from a website. The HTML page code looks like this: <APPLET CODEBASE="../applets" CODE="fourier.Interference" WIDTH="300" HEIGHT="350"> <PARAM NAME="waves" VALUE="2"> <PARAM NAME="handle" VALUE="fourier/greyball.gif"> </APPLET> Where would the applet code be located so I can download it? |
| | Hi, I am saving the password in the database using SHA-1 encyption. On forgetting the password i have to email the user his old password. But i am not able to decrypt the password saved in the database. Can anybody help me in creating a decryption code in java for … |
| | I am new to Java and really lost. Can someone help me out? I am not sure what is wrong here. import java.io.*; import java.util.Scanner; //For the scanner public class practice { public static void main(String[] args) throws Exception{ } BufferedReader in= new BufferedReader(new InputStreamReader(System.in)); String str; { //Create a … |
| | hello, everyone... I got an issue here, my db that bind at my applet doesn't load at the web browser but it run very well at appletviewer. here the error : [code] Java Plug-in 1.6.0_13 Using JRE version 1.6.0_13 Java HotSpot(TM) Client VM User home directory = C:\Documents and Settings\Admin … |
| | The following snippet throws an Exception in printin part.... [ICODE] ArrayList<ArrayList<Integer>> a = new ArrayList<ArrayList<Integer>>(5); for(int i = 0 ; i < a.size() ; i++){ a.set(i, new ArrayList<Integer>(10)); } System.out.println(a.get(a.size()-1).get(9));//exception thrown [/ICODE] can anyone explain why... thanks in advance... |
| | import java.util.Scanner; public class stack { /** * @param args */ public static void main(String[] args) { int result ; int output ; Scanner num = new Scanner(System.in); int input = num.nextInt(); for(int j = 0;j<input;j++) { int output1 = 0; output = num.nextInt(); for(int i = 0;i<output;i++) { if(output … |
| | The code found below takes command lines arguiments and displays. I want to modify this code in anyway that it would take 2 set of command line arguiments and produces 2 outputs. (That means , Open 2 command prompts and run the code) ex: first cmd prmpt -> java CmdLnArgmntExp … |
| | package casesar02; import java.util.Scanner; public class casesar02 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int key = 4; // scan.nextLine(); String str = scan.nextLine(); String encrypted = encrypt(str, key); System.out.println(encrypted); } public static String encrypt(String str, int key) { String encrypted = ""; for (int … |
| | Hi all, I have set up a project in Eclipse 3.1 and am using java 5.0 compiler. Here's my folder structure in Eclipse [code] DFS\RemoteClient\TestClient.java DFS is the project in Eclipse [/code] and this is how it looks my java class [code] package RemoteClient; import java.util.*; // other imports public …  |
| | Hi. I'm trying to write a program that, when ran, opens an undecorated JFrame, and shows a list of icons that when clicked on, run a program, or open a folder. I'm having trouble getting the actual Icon Image. When I try, it gives me one of the default Java … |
 | I got components in layout as I wish to have them. Unfortunately 2nd row doesn't start as expected bellow first one, but directly under it (you can see portion of text draw on panel, should be visible whole). [attach]10549[/attach] I know that [LIST] [*]toolbar should have height of 60 [*]sidebar … |
| | hi can any help me to develop aa complete mobile to browser end to end application like what technologies are used and what are the platforms. Thanks Poorna |
| | [code] package caesar; import java.util.Scanner; public class Caesar { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int key = scan.nextInt(); String str = scan.next(); String encrypted = encrypt(str, key); System.out.println(encrypted); } CAUSES public static String encrypt(String str, int key) { String encrypted = " "; for(int … |
| | i wish to display the substrings of a string with each move for the Jslider.what is the way to achieve that/?  |
| | I have this code here: it uses text files and hash tables to keep some student records: can somebody help me with the 'FindEntry' Method, i don't really get why it doesn't work.... [CODE] public class HashTable { public static class StudentRecord implements Serializable { public String name,family; public int … |
| | hi, i've just started JAVA. m facing some problems in making chat module using core JAVA. Plzzzz help me out..... |
| | Im new to java. I Created this code to get a better grasp and idea how files works. The code executes but the file never appears on my desktop, can someone tell me why and how i can correct this issue. [CODE] import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; … |
| | Hi all - This is my first time posting here, but I'm hoping someone can help me. My homework assignment is to make a GUI number guessing game with the number of guesses shown. I've gotten the entire program working, but for the life of me I can't seem to … |
| | When I compile a program in JCreator, I see this message: Error : Invalid path, "C:\Program Files\Java\jre6\bin\javac.exe" -g -classpath "C:\Documents and Settings\Kevin Mullin\My Documents\Data\Student Data Files\JavaClass" -d C:\Documents" and Settings\Kevin Mullin\My Documents\Data\Student Data "Files\JavaClass @src_ch01.txt" Note the extra " after the -d option. Where did this come from? I can't … |
| | I am a beginner in Java programming and I want you to provide me a code of the following steps: First: create 2-D environment 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 … |
| | 1) CarPool (for problem 1) Research several car pool websites. Create an application that calculates your daily driving cost, so that you can estimate how much money could be saved by car pooling, which also has other advantages such as reducing carbon emission and reducing traffic congestion. The application should … |
| | iam preparing now to get sun certified java program (SCJP)for the Java Platform, Standard Edition 6 and i almost finish the certification guide. So, i want the testking or testkiller or pass4sure for JAVA 6 J2SE "Exam 310-065" to study it before taking the certificate. if anyone can help me....... … |
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