35,619 Topics
 | |
| | I need to display the loan table with the annual interest rate, monthly payment, and total payment for the number of years entered. When I run my program, it only displays the info for 8%, when I need to display all interest rates from 5% to 8% in increments of … |
| |  |
| | Hi, I am firs time on this forum. I am looking for somebody to develop smart card system for pay per use tanning beds. Anyone interested please contact me.  |
| | Forgive me for making a topic that has the potential of being too broad. I will do my best to avoid generalizations and get to the point. I have a development team that is experienced in C++, some Java, PHP, and SQL databases. We are trying to create a web … |
| | There is a jsp page on which I have to access the selected value from a dropdown list and then compare it's value with the field 'role' stored in mysql database. I have to comapre both values to authenticate the user. I can access the role from dropdown list but … |
| | This is a working program. But there is a logical error. Try this with the calculator: Press 2,M; Press R,*,2; Press R,*2; The output in the same order must be: 2 2*2 = 4 2*2 = 4 but the third one outputs 88 instead. M stands for Memory, it stores … |
 | WHAT i want to happen is, when i click the CALCULATOR menu item, my separate Calculator.java will run on the MenuShortCut JFrame. AGAIN, i want the separate .java file to appear on THE SAME JFrame of MenuShortCut class. here's what i've got [CODE=java] import javax.swing.*; import java.awt.event.*; public class MenuShortcut … |
| | Hi, I have some problems aka how to bring value of type double (or even array of double values) through socket from C++ server to Java applet client. I tried two possibilities. For example: [LIST=1] [*] Doesn't work, but I think it could be ok while working In c++ my … |
| | I wonder if i writing the correct code segment to read data from binary file.eg.the content file operation in constructor [CODE] try{ raf = new RandomAccessFile("record.dat","rw"); } catch(IOException ex) { JOptionPane.showMessageDialog(null,"Error create file"); System.exit(0); } [/CODE] write content to file [CODE] do { Name = JOptionPane.showInputDialog(null,"Please Enter The Account Holder's … |
| | What is Bottom up & Top-down approach And How it can be implemented in JAVA? |
| | hey guys i want an help from you guys to create a jar file for my keylooger project which i had developed in java and vc++ using jni technology.while i try to create a jar file for it using the specified command which create a manifest file ALSO it is … |
| | I am starting to try and learn how to use the google app engine with java. The first roadblock I hit (seems trivial but I can't find an answer anywhere) is logging in. I know how to use the screen google provides you (userService.createLoginURL(req.getRequestURI())) but that only gives you a … |
| | how do i increment the category book? eventually i will display it in summary *************** Summary Books 3. [CODE]public class ProductDB { public static String[] inventory = {" java", "jsps", "mcb2", "txtp", "sgtp", "tgif", "tcby", "myob"}; public static Product getProduct(String productCode) { Product p = null; if (productCode.equalsIgnoreCase("java") || productCode.equalsIgnoreCase("jsps") … |
| | I have created a simple struts application, my context name is --- > /LetStart I am using struts 1.3 When I am deploying this application to JBOSS 4.2 It is throwing deploy time exception, pls see below:-- 22:31:14,046 WARN [JAXWSDeployerHookPreJSE] Cannot load servlet class: org.apache.struts.action.ActionServlet 22:31:14,078 INFO [TomcatDeployer] deploy, ctxPath=/LetStart, … |
| | getting error when compiling. "java:60: non-static variable inventory cannot be referenced from a static context for (String show : ProductDB.inventory)" the showCodes class has to public static void. Here is code [CODE]import java.util.*; import java.text.*; public class ProductApp { public static void main(String args[]) { // display a weclome message … |
| | Hi wat's wrong with my "do while" loop it never allows me to enter the grade even if I enter 'A' or 'B' or 'C'..? [code] import java.util.Scanner; public class ArraysOfStudentDetails { public static void main( String [] args ) { Scanner in = new Scanner( System.in ); final int … |
| | Hello there. I've been contemplating on this matter for sometime, and now I'm left stumped. I'm a college student taking a Java 2 course, and was given an assignment that i've nearly completed except one problem. The program description asks you to read from a binary file using the .readUTF(); … |
| | im trying to get the same heat index that prints int the program to write to a file. i have copied the procedure from another program that worked correctly. any help is appreciated. import java.io.PrintWriter; import java.io.IOException; import java.util.Scanner; import java.io.File; public class HeatIndex { public static void main(String [] … |
| | Hello everyone, can someone help me with this please? Create class which will create tables in data base (Microsoft Access). About the tables: number of columns, type of data, lenght of the data. And mantaining the information (the data) in the tables- add data, delete data and edit data. So … |
| | Hi friedns, //Demonstrate the clone method [code=Java]class TestClone// implements Cloneable { int a; double b; TestClone cloneTest(){ try{return (TestClone)super.clone();}catch(CloneNotSupportedException e){System.out.println("cloning not allowed");return this;} } }[/code] [code=Java]class CloneDemo1 { public static void main(String[] args) { TestClone x1=new TestClone(); TestClone x2; x1.a=10; x1.b=20.98; x2=x1; //x2=x1.cloneTest();//clone x1 //System.out.println(x2==x1); // System.out.println(x2.equals(x1)); System.out.println(x1.a+" "+x1.b); System.out.println(x2.a+" … |
| | Hi. Im working on a problem and Im having trouble with it. In the class Mymath, write a method called lab51 that reads three doubles a, b and c followed by one non-negative integer k, and prints the values of the function `y = ax2 + bx + c` for … |
| | i m a stater with jsp .... have installed Tomact 5.0.28. Its displaying server page when i type [url]http://localhost:8080[/url] now i have made a simple context.jsp file----> [code=JSP]<HTML> <HEAD> <TITLE> Context </TITLE> </HEAD> <BODY> <% out.println("First JSP APPLICATION"); %> </BODY> </HTML>[/code] placed it in a folder ch in webapps folder … |
| | package MyJava; //change package name according to what the name of the package //the class would be installed to import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; public class [B]Calculator[/B] extends JFrame implements ActionListener{ private JTextField displayText = new JTextField(30); private JButton[] button = new JButton[16]; private String[] keys = … |
| | i have a tictactoe java code that has mouse events in it. my professor wants me to run it in a mobile phone... can anyone help me with that? please... thanks in advance. |
| | i am new in j2me programming and i want to code a file compression/decompression in series 40 phones. anyone could help me or could share their codes with me. thank you very much  |
| | Hi, the site [url]http://932gs.co.cc/secure_site.html[/url] loads fine for ie and chrome/chromium but for some reason the javascript wont load, can people verify this and if it is true, how can I fix it? |
| | I have this JSP code that i found online and it seems to work cuz it loops thru the xml file and writes the HTML code for the TRs and TDs but for some reason is not displaying the data. Am i missing something? [CODE]<%@page import="org.w3c.dom.*, javax.xml.parsers.*" %> <% DocumentBuilderFactory … |
| | Hi all, could anyone tell me how to read a unorder file into order output, I wrote a method that only read order file(begin with product). The following is my code. My input file like this: product Apples location 10 Downing Street London England quantity 382764 location Akihabara Tokyo Japan … |
| | hello everyone. when working with objects, how would one specify that the input of negative numbers is not allowed in the constructor part of the code? |
| | Hello I'm new to java & I am trying to convert a float to a string in my simple program. But I get an error on that line. Can you tell me why or what I need to do to fix it? Maybe I haven't imported the right things or … |
The End.