36,051 Topics
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| | Hi we need someone to help us with a project that involves creating a twitter bot that will take lists of common unigrams and bigrams along with a list of rgb codes with colour names and will use these lists to create new colour names and post these on twitter. …  |
| | Hello Friends. I am working in a Java assignment and I am seriously in need of a help. Since I am new to programming, I need an assist. The program which I have to do has the following specifications: Scanners should be used compalsarily The green grocer has asked you …  |
| | and i have more than one class this is my java file and im using netbeans import java.applet.*; import java.awt.*; import java.net.*; import java.awt.event.*; import javax.swing.*; public class sb extends JApplet { Thread threadABC; AudioClip gong; /** * Initializes the applet starbucks */ @Override public void init() { resize(920,700); /* … |
| | I've been studying computer science and computer programming for years now in high school. I've been accepted to universities that offer two different kinds of degrees. One is Computer Science and one is Software Engineering. I could go either way for which degree I get, I was just wondering if …  |
 | I have a class called Car, 6 other classes (Van,Cab,Truck, Taxi, Sedan and Motorbike) that implement this class. Each of the subclasses has its own mnethods and attributes. How would I go about creating an array of these vehicles with the type of car being randomly selected. that is I … |
 | The idea is to write a program that asks a user for 10 numbers and then displays how many positive and negative numbers were entered. Not really sure where I'm going wrong but this was an extra assignment to kill time while everyone else catches up. this is what I …  |
| | **Here is what I had to do:** In this project each individual will create a data analysis program that will at a minimum, 1) read data in from a text file, 2) sort data in some way, 3) search the data in some way, 4) perform at least three mathematical …  |
| | int randnum; randnum = (int)(Math.random() * 15 + 1); String p1, p2, welcomemsg, rulesofgame; int age, targnum = 0; int r1, r2,r3,r4,r5,r6; int largest, smallest, numtries = 0; char ans, y; int addscores, numoftries, numofrounds = 0, questions = 0, count; String userinput; for(count = 1; count<3; count++){ System.out.println("Welcome Students, … |
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| | hi im getting index out of bound error i cannot find exactly were the error is coming from.can anybodyhelp.tnks import java.util.*; class allshortinVector `{` static Vector<String> v2=new Vector(); public static void main(String[] args) { Vector<String> v=new Vector(); v.addElement("test"); v.addElement("hello"); v.addElement("JAVA"); v.addElement("Program"); for(int i=0 ; i < v.size() ; i++) { … |
| | Hi Guys, I am getting an error: Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: "jLabel4" With this code: public void insertCustomer() { Properties conProps = new Properties(); conProps.setProperty("user", "user"); conProps.setProperty("password", "pass"); int q = Integer.parseInt(jLabel4.getText()); try { con = DriverManager.getConnection("jdbc:mysql://91.208.99.2:3379/5thfloor_pos", conProps); con.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE); } catch (SQLException ex) { Logger.getLogger(AddProduct.class.getName()).log(Level.SEVERE, null, … |
| | I am trying to retieve the total salaries from a table where the customer name is X. I have the code below however there seems to be an error. public void total(String name){ double totals=0; Properties conProps = new Properties(); conProps.setProperty("user", "user"); conProps.setProperty("password", "pass"); try { con = DriverManager.getConnection("jdbc:mysql://91.208.99.2:3379/link", conProps); … |
 | I'm trying to implement a MiniMax algorithm with alpha/beta pruning. Totally stuck and can't see where I'm wrong. The class MiniMax contains a State and an Action. The method getAction returns an Action (supposedly the best action to take). The Game object has two methods, isTerminal returns true if the … |
| | Ive made a java program to do automated tasks for a game. It takes screen shots with java.robot every 250 milliseconds. The program is working great, but it will always crash at around the 30min mark Im running this program on my mac, and this is the crash report that … |
| | Hello there. Currently, I am trying to develop a graphical number guessing game in JAVA. This is my first project in java. Here is an insight in the application: When the application is first opened, a random number (1-100) is assigned to a variable. When the user enters their guess … |
 | Hello. I'm looking for a good tutorial for creating a chat messenger in java. I checked [this link](http://www.javaworld.com/article/2076864/java-concurrency/building-an-internet-chat-system.html?page=1) but it was not good and clear, was poor tutorial without clear explanation and details. Can you help me with another tutorial? Tutorial video or text both are good. (Let me mention …  |
| | <html> <head> <meta name="GENERATOR" content="Namo WebEditor"> <title>Insert title here</title> <link rel="stylesheet" type="text/css" href="css/main_style.css"> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> </head> <body> <center> <tr> <th style='width: 3%;'> S.NO </th> <th style='width: 6%;'> Company ID </th> <th style='width: 10%;' > Company Name </th> <th style='width: 6%;' > More Company Details </th> <th style='width: 6%;'> User Details … |
| | Hello all Im trying to make java robot hold down the command key. I have used the following code. robot.keyPress(KeyEvent.VK_META); robot.Delay(5000); robot.keyRelease(KeyEvent.VK_META); This doesant seem to do the trick. Yes I have searched on how to do this but cannot find a working answer. Am I using the wrong keycode? … |
 | I'm making one of those puzzle games that has the empty tile which you need to slide them around to finish the picture. When I refer to the "Active Tile" I'm referring to the tile that's empty on the board. I'm changing the position of the active tile and the … |
| | i got this error in java eclipse Cannot create extension org.eclipse.core.runtime.CoreException: Cannot create extension at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:296) at org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:235) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:318) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPart(CompatibilityPart.java:266) at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPart(CompatibilityEditor.java:61) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:304) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:877) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:119) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:333) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:254) … |
| | a java code that displays multilevel feedback queue scheduling[](http://www.) |
| | I can swap two tiles, however, when I need to shuffle them, I need each tile to have a unique position. I've tried setting up array's for the x and y position of both the tiles to be swapped checking against the randomly generated number to make sure it's position … |
| | hi :))) I have a pro. here which I can't use the keyListener and the buttons (ActionListener )at the same time !! I can use once a time either the keylistener OR ActionListener ! and in my prog. I should use both of them at the same time ! what … |
| | Write a Java application that computes and prints the grade of a student according to the following algorithm: 1) It should read from the user TMA score and MTA score. 2) If their sum is less than 15, the grade "FC" should be printed and the program will stop. 2b) … |
| | Hi! Firstly, here's the code: if(new File("ATM.xls").exists()){ System.out.println("File exists"); } else{ File excel = new File("ATM.xls"); } What I'm trying to do is check whether or not a file exists and then create said file, if it does not exist. This all works fine, but somehow, I'm unable to use … |
 | Hi, I would like to extract the return (currently false) value from the following XML: <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Body> <ns:isPumpOnResponse xmlns:ns="http://webservice.whatever"> <ns:return>false</ns:return> </ns:isPumpOnResponse> </soapenv:Body> </soapenv:Envelope> Is there a way of getting it out of the SOAPMessage object? SOAPMessage soapResponse = soapConnection.call(createSOAPRequest(webMethodName), url); Thanks. |
| | Hello I have a text file which contains a dictionery of phrases. I also have another text file. I need to see if any dictionery phrases are inside my larger text file and return the phrases which are in the dictionery. Here is my code so far: private static void … |
| | I do not know if this will be of use to anyone but i thought i would just leave it here because i saw a thread where someone asked how to determine if more than one button on a mouse is being pressed and this code below checks to see … |
| | How can i get i-report or jasper report tool free? |
| | Hello All. I have a program that automatically restarts itself atfer a certain amount of time. I am doing this to test some things out. The program is wrapped in a jar. I run the jar from terminal with java -jar ProgramName.jar It will run and will output all the … |
| | i am bca student,here is my main html page in that there is dropdownlist,in that thre r lots of root websites...n thre is textbox in that we hv to enter keyword,,,n accordind to that keyword after pressing search button it should be give me all weblinks related to that perticular …  |
| | Hi..... this is pradeep I'm intrested to create a better operating system than "Wintel"im also learnt the C,C++ languages.is there any possible to create operating system...........? |
 | 1. What is the format for the first line of a method? 2. How can you view javadoc for a class? For the (1.) I am totally understand by depending on the developer design of the method. But how am i going to explain this since the tutor won't ask … |
| | Hello, I am evaluating a string expression using recursion. It is not working for parenthesis, please help me. Here is my code // For Addition and Substraction static int evalAS(String e) { int p1 = e.lastIndexOf("+"); int p2 = e.lastIndexOf("-"); int p = Math.max(p1, p2); if (p == -1) return … |
| | Hi, I'm trying to make a label visible by clicking on a button. The following code will make the label visible, but will disappear in less than a second. I'm assuming its because the form is getting submitted in the java script, so the page is getting refreshed? Is there … |
 | Sort numbers random in array import java.util.*; class FillAndSort { public static void main( String[ ] args ) { if ( args.length != 1 ) { System.err.println( "java FillAndSort <number of doubles>" ); return; //*** exits main and, therefore, the program stops } int n = Integer.parseInt( args[ 0 ] … |
| | Hi, I have an issue with redirecting from my Spring controller to another servlet. Something similar to RequestDispather.forward. I get the below error. org.springframework.web.servlet.DispatcherServlet noHandlerFound No mapping found for HTTP request with URI [/xxx/xxx/xxx/abc.fcc] in DispatcherServlet with name 'dispatcher'. Is it possible to redirect directly to this url? |
| | I have problem to understand threads. Can someone help me to know how i can do rest of this program. Here is program text first: The program will read a file where the first line contains the number of words in the rest of the file, one word on each …  |
| | HTTP Status 404 - /grid/ type Status report message /grid/ description The requested resource (/grid/) is not available. Apache Tomcat/5.5.20 |
| | HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Servlet execution threw an exception root cause java.lang.LinkageError: JAXB 2.0 API is being loaded from the bootstrap classloader, but this RI (from jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%205.5/webapps/gridjet/WEB-INF/lib/jaxb-impl.jar!/com/sun/xml/bind/v2/model/impl/ModelBuilder.class) needs 2.1 … |
| | We are creating a work-flow in which a submitted form-data needs to be approved by dynamic number of people based on the designation of user who submitted it. So if User1 has submitted a form and there are 3 levels in between, before it goes to final approver Uuser5, the … |
| | Hi everyone :)))) there is a problem here !this code should draw a rectangle whenever I presse on the mouse ! but actually it doesn't do that !! when I execute the prog. it gives me the frame window ! but when I presse the mouse ,it should draw a … |
| | Help, I have a good pseudocode written that is supposed to get the title of a person and how many boxes in an order and print labels. Here is the pseudocode, please help. start Declarations string title string firstName string lastName string streetAddress string city string state num zip num … |
 | I am trying to execute the query on server side and send the result to the client but at the time of returning the value to the client the error occurs Am trying to achieve this using RPC Protocol but i could not find out how to send back the … |
| | Hello All, I am trying to implement a program that takes a prefix expression/string and converts it into a postfix string. I looked up the general algorithim for this converson and tried to implement it myself into this program. The following code is taken from my main java file. My … |
| | my code is as follows: class pottertr_Point{ private String name; private double x; private double y; public pottertr_Point(){ name="Org"; x=(0); y=(0); } public pottertr_Point getPoint(){ pottertr_Point p= new pottertr_Point(); p.name=this.name; p.x=this.x; p.y=this.y; return p ; } public void setPoint(pottertr_Point p){ this.name=p.name; this.x=p.x; this.y=p.y; } public void setName(String name){ this.name=name; } … |
 | I have recently been writing some code that asks the user questions about german. br = new BufferedReader(new FileReader("C:\\Users\\Patrick\\Desktop\\Java Workspace\\germanTool\\src\\germanTool\\lesson1.txt")); String[] engList = null; String[] deuList = null; int i = 0; while (br.readLine() != null){ lineCount++; line = br.readLine(); engList[i] = line.split("\t")[0]; deuList[i] = line.split("\t")[1]; } Using this code … |
 | When users interact with your web page and processes, it is important to provide them with continuous feedback. Without the feedback, a user is left wondering if you page is actually processing work, frozen, or just not working. This is especially true when incorporating Ajax requests that take more than … |
| | hi guys j is there a way on how to analyze java snippet of codes, like for loops, while loop to check to see what will be the result of it, whether it would run, what results, or if it would give you any kind of syntax error, run time … |
| | Create a class to represent a Book. A Book should have a title, author, edition, and number of pages. Choose the most appropriate types for each of these and make them private. Provide set and get methods for each of the instance variables. Also, create a toString() method that returns … |
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