35,619 Topics
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| | What is the best way to assign values to variables of various data types from reading a file (while importing as few things as possible and making use of the simplest code)? I need to write a program which can assign values from a .dat file, if that's relevant. If … |
| | hi, i have problems in accessing file through ftp from other computer.. i have a code, but it works fine in one computer... but i need to access a file stored in another computer connected through LAN. [CODE=JAVA] try { URL url = new URL("ftp://PROJECT:123456@192.168.1.117:21/images/1.jpg;type=i"); URLConnection con = url.openConnection(); BufferedInputStream … |
| | Hi guys, I am having A LOT of trouble with this problem. If someone can help me out that would be so appreaciated. ATTACHED- below is my problem in my pdf file I email'd my teacher and this was his response. " you need to implement the three classes that …  |
| | Hi. I'm making an interface and a class that correlates with the client code below. Everytime I try to compile the client code, I get the following errors: [quote] Bird.java:15: = expected private Color col; ^ Bird.java:16: = expected private Point pos; [/quote] As well as a few others. For … |
| | I am working on a application for figuring how much of each kind of coin One should get back when they give say 99 cents as the amount of change. I have a way to do it which involves simple integer division and subtraction but i was wondering if anyone … |
| | Hi all, I am writing a plug-in for imageJ on java. I have an image to edit, and the image is an 8-bit grayscale image. I need to make the white pixels (255) in the image to red pixels. Meaning, I have to convert the picture to a 24-bit RGB. … |
| | So I am working on a java project for a college asssignment (im a student ...) and dont know what I have done... but my sub menu (when create, delete find or update is clicked) wont display. what should happen is create is clicked and the sub menu displays with … |
| | Title kinda says it, I was wondering if anyone has heard of this what im about to ask. If i program code on ubuntu 10.04 using netbeans, and code in C. can I somehow save the file from netbeans, and transfer/make a conversion for the netbeans file to be able … |
| | I have to write a simple program that declares three arrayLists referenced by the objects named priceList, quantityList, and amountList. Each arrayList should be declared in main() and should be capable of holding a minimum of 10 double-precision numbers. The numbers that should be stored in price are 10.62, 14.89, … |
| | Hi I'm in some serious need of help with a homework assignment. I have to write a program that takes a three word phrase from user input (through JOptionPane) and my code has to convert it to uppercase and then just take the first letter of the three words. here … |
| | Right now I have three classes from following a tutorial I found online. It draws a red square and a blue square to the screen and lets the user control the red square. The issue I am having is getting it so that when they intersect from the bottom of …  |
| | I'm required to construct a three-dimensional array (a "universe"), but unlike traditional array navigation where you go to the end of the column, row, etc., increment and start at the beginning, I am required to move in reverse (like actually navigating a cube). The precise instructions: - Move along a … |
| | I'm writing an inventory program for my uncle's warehouse, which has never been counted in 20 years. (yea it's taking me a week so far and still counting parts) I want the program to be serverless and just run on his laptop (which I'm still fixing also). I thought of … |
| | Hey guys, im doing a rock paper scissors program for h/w i got it done but im getting an error and i cant figure out whats wrong. [code] public static void main(String[] args) { int pcpick; int userpick; String userChoice = JOptionPane.showInputDialog("1 Rock, 2 Paper, 3 Scissors"); int choice = … |
| | Hi all, I cannot seem to grasp the use of wrapper classes, or rather how to use them. I am in the middle of practicing for an exam tommorrow but I am a little stumped with the following task: [I]Create an overloaded setValue method that recieves a String parameter. This … |
| | what's thew benefits of dynamic loading in java? and How can I load a classes befopre run the program?  |
| | Hello friends kindly help me, Which is purely object oriented language Java or c++? If it is java why it is? how it is? If it is c++ why it is? how it is? Kindly help me........... |
| | hi guys, i am asked to do a game where the player plays against computer where each one has to put into the pursue a piece of coin, it cas be 5cent, 10, 25 or a dollar, the one that puts the biggest piece can take the change for it … |
| | I was trying to create a gui based application in netbeans. What I want is a lot of panels stacked one above the other. So that when one of the option in a panel is selected, tthe related panel should be displayed above the original panel I know this can … |
| | Hi, I am pretty new to Java. I have some basic questions. [CODE] public class Array { private Object[] values; private int count; private boolean sorted; public Array (int max) { this.values = new Object[max]; this.count = 0; this.sorted = true; [/CODE] I am kinda confused at line 9. It … |
| | Hi all, I have created the following code that deletes a Vector entry. Currently it gives an error if you enter a string that is not present in the Vector. Can anyone recomend a way of looping back to the original text entry point, rather than terminating the program if …  |
| | This program is based upon the quadratic equation. If I enter a negative discriminant it prints NaN instead of "No real solutions". Any help will be appreciated. Why is it printing NaN twice??? What modifications are needed in the code? Please help!!! [CODE]import java.util.Scanner; class QE{ private double d=0; private … |
| | java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntax error in UPDATE statement.[CODE] String id= t1.getText(); int c1=Integer.parseInt(rc1.getText()); /* rc1 is a radiobutton */ statementobj.executeUpdate("Update tablename(fieldvalue) values('"+c1+"')where ID='"+id+"'"); [/CODE] |
| | I want a text field which should have database values....(like dropdown list) from that list i can select text which is in database... Can any one help me out its very urgent....... |
| | The output I am getting is : [CODE]You will be entering the names of ten students their corrsponding marks in Physics, Chemistry & Maths. Enter the name of the student : student1 Enter the marks in physics of STUDENT1 : 43 Enter the marks in chemistry of STUDENT1 : 54 … |
| | Yesterday i gave an interview and faced A QUESTION which i cant answer. How can we Compare two PDF files using JSP? Please help |
| | I want a text field which should have database values....(like dropdown list) from that list i can select text which is in database... Can any one help me out its very urgent....... once see [url]www.justdial.com[/url] under "City" text box i want exactly like that ...i also want to match the …  |
| | Hi, I created a class named [B]Test.java[/B] [CODE] public class Test { public Test() { System.out.println("Testing......"); } } [/CODE] It sucessfully compiles. Then i create another java class [B]Menu.java [/B]and here i trying to create an object of the Test class. [CODE] class Menu { public static void main(String[] args) … |
 | I am making a console application. I want to make a method to stop the application. Can anyone help please. This is my code. [CODE]public void menu() { System.out.println("1 to go to menu help, 2 to go to head menu 3 to stop"); int optie = scanner.nextInt(); switch (optie) { … |
| | Hi, for some reason, my JScrollPane isn't working with mt JTextArea. Probably the most important part: [CODE] JTextArea TextArea; JScrollPane scroll; TextArea = new JTextArea(); scroll = new JScrollPane(TextArea); add(TextArea,BorderLayout.CENTER); add(scroll,BorderLayout.LINE_START);[/CODE] Whole code if you're interested in what I'm making: [CODE]import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.BufferedWriter; … |
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