32,204 Topics
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| | in Attached Files there is Question i do not understand the last step how to coount it ? [CODE]package javaapplication178; public class JavaApplication178 { public static void main(String[] args) { int x[][]={{14,7,5,0}, {9,20,25,12}, {25,25,40,30}}; for(int i=0;i<x.length;i++) { for(int y=0;y<x[i].length;y++) { System.out.print(x[i][y] + " "); } System.out.println(" "); } PrintStock( x); …  |
| | Hi, i am beginner in java. I doing my final year project in Java Swing. So far, somehow through some online tutorials and articles, i learned to finish 30$ of my project. Now, i need to know how to insert the data from my database into Jtable and display it.... … |
| | I need to just make the column headers invisible in JTables, as i need to create a matrix. How can I do that? |
| | now I try to develop the tcp chat server So what I have done so far -my server can only received string from the client -My server can show the total of the connection So what I want to ask what do I need to do to make the server … |
| | hello, is there any function in java that can give me 2^n binary combinations. as an example, if the value of n = 2, output should be: 00, 01, 10, 11 ?? |
 | I need my overall data to all be output as double, but my counter is an int, and i imagine you cant use a double as a counter, so when it goes to compute my data, theres a mismatch between my counter and the rest . i need a way … |
| | I need everything to come out as a double rather than an int. I dont know how to do this other than creating lots of variables! Is there a way i can convert? my counter is causing the problem but i dont think theres another way to do it.The program … |
| | Greetings Everyone. I'm working on a program that will take the number of calories and grams of fat, and give the user the percent of calories from fat. The problem arises when I use the Calculate button. [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; public class FatGramsPanel extends JPanel { … |
| | I want to create a code that will allow me to calculate bonuses based on the 10 salarys. i need if statements for this, i need to then assign the new value to my other array i have set up called total, and then i need to display that as …  |
| | Hello. I got an assignment and I've ran into some troubles. I have 3 classes. The first class could be labeled as the main class, and the other two classes must be linked to the first one. The 1st class is named "Holiday" and has 2 key attributes: tour_guide and … |
| | Hello, I am working with the AudioClip class. It has methods for playing, stopping and looping an audio file (.wav/.au). Is there a way I can check when an audio file has completed playing? The stop() method is void. Is there any other class I can use? Thank you! |
| | Hi, please look the following code and help me solve the question I mentioned in Comment([B]Line number 85[/B]) below: [CODE]import java.io.InputStream; import java.util.HashMap; import java.util.Map; import org.jacoco.core.analysis.Analyzer; import org.jacoco.core.analysis.CoverageBuilder; import org.jacoco.core.analysis.IClassCoverage; import org.jacoco.core.analysis.ICounter; import org.jacoco.core.data.ExecutionDataStore; import org.jacoco.core.instr.Instrumenter; import org.jacoco.core.runtime.IRuntime; import org.jacoco.core.runtime.LoggerRuntime; public class TestClass { public static class TrgClass { … |
| | Hello, The following is a bouncing ball applet. When I do double buffering (variables, g1 and image), I still see the flickering . I would be grateful for any help. [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.lang.Thread; public class Ball_Bounce extends JApplet implements Runnable { private Thread blueBall, redBall; … |
| | javax.naming.NameNotFoundException: Name evn is not bound in this Context at org.apache.naming.NamingContext.lookup(NamingContext.java:770) at org.apache.naming.NamingContext.lookup(NamingContext.java:140) at org.apache.naming.NamingContext.lookup(NamingContext.java:781) at org.apache.naming.NamingContext.lookup(NamingContext.java:153) at org.apache.naming.SelectorContext.lookup(SelectorContext.java:152) at javax.naming.InitialContext.lookup(Unknown Source) at listener.MyContextListener.contextInitialized(Unknown Source) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3972) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4467) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at … |
 | How to we know that there is the error of javac. "I studied that javac is not internal or external command". This is the error so how do we know that this error has evolved? |
| | The code on which I am working, suppose to read the contents of a file "applicants.txt" linewise and store it in a string array. Each element of array should hold one line and so on. I also want to automate the code so that when end of file is reached … |
| | Code 1: [CODE]public class Ticket { private int nextSerialNumber = 100; private int serialNumber ; public Ticket () { serialNumber = nextSerialNumber; nextSerialNumber = nextSerialNumber + 1; } public int getSerialNumber () { return serialNumber ; } public static void main( String [ ] args ) { Ticket t1, t2, … |
| | I need to use a GUI for a program (with a main, superclass and subclass) that I've already written (am quite proud of actually. LOL). I'm super new at this so I want to keep it simple and just display the output of my program (an array of inventory objects) … |
| | Pls. help me to revised my code , i base my java calculator code on youtube tutorial but it was denied because almost half of our class base their code on the youtube tutorial and i need to pass the code by monday.or if possible , can you give me … |
| | can anyone help me out with the errors .. please [CODE]import java.io.*; import java.util.*; class Directory implements Comparable { int id; String name; String address; int phoneNo; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } … |
| | Hi guys well I have two class's 1 class for my methods and another class for my GUI. In my method class I have my update statements for my database and in my GUI class I have obviously my gui and all my buttons that will produce a result when …  |
| | Hi, I've used g.drawRect(----) and some other stuffs and happily accepted o/p but really want to enhance myself in knowing how to code it if I want to draw the same figure in reverse direction. |
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| | NEED HELP .. where can I do start if I want to create a simple application that do have a record file and a java file ? any suggestions or recommendations |
| | I need some help with a project that I'm working on. I have to make a program which can store hierarchical data to represent an employee referral system (and who has referred who/who was referred by whom). This needs to be able to traverse both ways, I.E. Bill has referred … |
| | i was writing some code for a small project i'm working on and form somke reason, it never displays the main function. it just makes the user input 7 times before crashing. any ideas? i can't seem to locate my error. [CODE]package rtnasm; /* * RTNASM - n64 assembler * …  |
| | Hi Everyone, Does anyone know how to add the user input into an array in java. for instance I have a table of 3 columns and 4 rows the 3 column is designed to allow the user to input 1 or 0. so whenever they typed in anything I want … |
| | So I'm writing a program that has a main class ArrayDrawer and two classes; square and triangle. Currently, this is what I have; [CODE] public abstract class ArrayDrawer { //Global Data /** * Create array with object scope to store squares in */ protected Square[] squares = new Square[10]; /** … |
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| | want to append information onto a file based on user selection of minutes (1 min, 15, 30, 45min etc) through radio buttons. for each radio button there are case in switch statement. I am finding it difficult to update the file on a regular interval, continously, does anyone know how … |
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