35,618 Topics
 | |
| | Hi, i am having trouble with an assignment. i need to create an array, store numbers in the array... sqaure, cube and square root those numbers individually using different methods. display the resuts with a dialog box. after that i need to find the sum of the numbers in the … |
| | Thank you for your help earlier, I am just about there. I got the below code to work as I wanted below. Basically it imports the int's from a file (earlier help thank you) , then I find the min, then I sort by polar angle (all counter clock wise … |
| | Hi, I have written a program that outputs numerical results to the console in java(using eclipse). The problem that i have is that i want to copy or save the entire console content to a .txt file. How could i do this please? Thank you for your help  |
| | i have two radio boxes in a jsp using html and i want to make one checked based on a condition. I can do that in php but i don't know how to do that using jsp. Can anyone help me. [code]out.println("<tr><td>Billing Model"); out.print("<tr><td><input type='radio' name='appStatusDescription'value='0' >Prepaid<br>"); out.print("' </td>"); out.print("<td><input …  |
| | Hello Java Experts, Suppose I visit 10 web sites , some of them open pop up window even when I have blocked them in IE , then I get say 5 additional pop up window , is there an easy way to write java program to close all such pop …  |
| | HI This is the simple code you seethere'a an for loop, so there are many submit buttons ! when i click a submit button on page how should i know which button it was Thanks [code] <table> <jsp:useBean id="o" class="shopping.shop"/> <jsp:setProperty name="o" property="id" value="${userid}"/> <% String f[]=o.listshop(); for(int i=0;i<f.length && … |
| | I am trying to use an action listener to fill an array, however I want to fill ONE array from two different sources: ComboBox Selection & JList selection. so I am trying to create an Array that will look similar to this format(each line is representing a different subscript) ComboBoxData … |
| | i want to add the value in map to a float value what should i do?s |
| | Hello, I am having a hard time with understanding arrays and most importantly implementing them in methods and etc. Does anyone know a good source to learn about arrays from a to z? I really need to nail down these guys. Any help will be appreciated Thank you |
 | Guten Tag, What we need to do is to call a variable (numbersToEnterInteger) from the main method to the total_average method. Also how do we pass the entire array to this method, rather than a single array element. Thanks in advance. Oh and also heres the code. [code] /** * … |
| | Hello, I am having a hard time with understanding arrays and most importantly implementing them in methods and etc. Does anyone know a good source to learn about arrays from a to z? I m looking for things like book, website or some other media. I do know about Sun … |
| | [code] import java.util.Scanner; public class encryption { public static void main (string[] args) { int temp, first,second, third, fourth,encryped; int a = first,b = second,c = third, d = fourth; int a = c,c = a; int b = d,d = b; System.out.println("After swapping a = " + a + … |
| | i want to add the value in map to a float value what should i do? |
| | I am new to java and many of the nuances to this language. For my class assignment we need to finish our methods which I have already done and do not want any help with. What I need help with is reading the data from the file with in "main". … |
| | Hi, I am trying to make a gui in which I import and combine 4 seperate classes JPanel classes that I made into one interface. But I am running into an obstacle that I am uncertain about. Here is the situation: 1. I have container using a BoxLayout that has … |
| | Hi all, I am trying to write a simple program but I am having an error message that I am working on it for three days. The aim of program is to convert entered value depending on the clicked radio buttons. Please can someone help me about it ? Thanks, … |
| | Please give me the code of a swing program which displays a button with an image on it.The image on the button should change when it's clicked. |
| | I have many projects in a software. Although some files and classes are shared within these projects, there are classes used by most of these projects. How do i creat classes that can be shaed among different projects . Is there anything in java that can function the same as …  |
| | hi all, I am having 2 combo boxes in my jsp page. one is of country and the other one is state. when i select the country value all the states of that country need to come in statecombo from database. any ideas please share with me. |
| | hi please can some1 help me out with this project,this is the project write a program to process a set of student marks. Each line of the input file follows this format: a name (which may be considered as a unique key for the purpose of this assignment) followed by … |
| | Hi Everyone, Days that I'm on that problem. I have to calculate a substitution score. Below my code: [code] public void calcSubstitutionScore() { substitutionScore = (average + examMark) /2; } [/code] I previously created the method average, and I try to add to it examMark divide by two, which is … |
| | Hi, I am working on a Java assignment of developing a University diploma program as follows: uni-diploma (one-to-many) diploma-module(one-many) module-lectures(one-many) lecture-student(many-many) class [I]uni[/I] contains TreeSet diploma all set and get methods for adding each new diploma in the set and association to class diploma. class [I]diploma[/I] contains TreeMap module all … |
| | Hello,I have a user input and trying to write a precondition that will give an error if the user inputs number or some other odd character (except ' and .) I am thinking of writing and if statement that if my search method finds anything like that it will prompt … |
| | I'm learning GUI, can anyone show me how to display an image on a panel. So far I have this: [code=java] import java.awt.*; import java.awt.event.*; import java.awt.image.*; import java.io.*; import javax.imageio.*; import javax.swing.*; import java.applet.*; public class JlabelDemo { public static void main(String[] args) { // create an image icon, … |
| | Hi, The problem i'm having is that the data that i want to appear on the file doesnt apear fully. I want the full results of the program to be saved to a doc file but i only get the next number in the sequence. Here is my code # … |
 | Hello, BTW the program compiles. Im trying to change a quick sort program so that it picks a median of three for the pivot instead of the first low number. My code is not running right, can somebody help me out. thanks [code=java] public class QuickSort{ public static void main(String … |
| | Hi, I have an entity class which I would like to write from one machine to another using sockets. As each machine has a separate copy of the entity class (identical except for package declaration) a ClassCastException will be throw; it seems the only way I could do this is … |
| | Dear all, I'd like to write a Java program that could use functions in an existing VB.Net dll or exe. Is it possible to do that? I had actually searched for methods online, and it seems like there's JNI which could do that, but after reading the implementation I got … |
| | Hello, I am creating a little webpage that allows a person to chose between 3 different ways in which they can query for results (either id, date, or symbol). Everything works fine if choosing id and entering a value to search for, but if date or symbol is chosen then … |
| | Hello, I am a noob in Java, and I am stumped with these 2 exercises. These are probably extremely simple for you all, so any kind of help with writing the program would be well-appreciated. 1. Write a program which simulates inflation of a balloon (2-dimensional circular shape starting from …  |
The End.