32,204 Topics
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| | hi everyone, im new to java. and i was assigned to do a project that integrates java and .net(c#). here's the scenario: 1. the .net system will create a text file (.txt) based on some conditions --> i already did this part. 2. the txt file will then be pass … |
| | Hi, I just wanted to know about instance method? If static modifier is not applied before does it makes it an instance method ? Plz give an example Thanku |
| | hi ^_^ I want to ask what is the difference between (System.out.println(B);) and (System.out.println(new string(B));) ?! actually it gives me the same output in my code! so then >>what is the use of [new string(array)] in general ??? thank U :))) public class CopyArray { public static void main(String[] args) …  |
| | Hi, I'm considering writing a java applet that has a chess board and lets people solve puzzles. There are chess engines that are free that could be the AI to play against and they come in executable files (console apps) compiled for both Mac and Windows. Now i have a … |
| | I have generated wsdl2java code using axis 1.4 .One classes has 2 constructor methods (one default constructor and other one has 2 parameters). Other classes that inherit from one class have the constructor parameters in the wrong order.The schema files is correct as they come from the OTA specification Please … |
| | I am missing something in my check sub class and I can't figure it out I know its something simple and I for the life of me can not find it. package lab61; public class AccountClass { public double annualInterestRate; public double balance; public int Id; public java.util.Date dateCreated= new … |
| | everything is working fine except Encryption button. import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; public class encryption extends JPanel implements ActionListener { char [] str= {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z' }; char [] str1={'1','2','3','4','5','6','7','8','9','0','!','@','#','$','%','^','&','*','(','_','_','+','=',',','.','?'}; char [] a= new char [50]; char [] b= new char … |
| | How will I create a program that compute your final grade and file which contain prelim, midterm, pre final and final grade.Create another file that contain weight for each term.(prelim=20%, midterm=20%, prefinal=20% and final=40%) |
 | i am getting this error when trying to run projects 'javac' is not recognized as an internal or external command, operable program or batch file how can i fix this |
| | I am new to Java language. I have been taken some personal tutorials, reading on my own and practicing by writing and solving exercise in the book I am using. Below is an exercise I am trying to solve. Question. (Find the Smallest Value) Write an application that finds the … |
| | Can anyone help me how to pick all the files(many files) of some particular extention(.csv) and transferring it to remote server using Jsch channel. Please help. Regards |
| | Hi, I just wanted to know about instance method? If static modifier is not applied before does it makes it an instance method ? Plz give an example Thanku  |
| | I am trying to make a program for my AP Computer Science A Class. I wrote the following code that is supposed to allow a user to enter two numbers and then have them guess a number inbetween that number range. So far, it works 90% of the time, but … |
| | Trying to change this C++ to Java //The following pseudocode describes how to extract the dollars and cents from a //price given as a floating - point value.For example, a price 2.95 yields values 2 and 95 //for the dollars and cents. //Assign the price to an integer variable dollars. … |
| | I need to get the size of a file, but I keep on getting 0 as the size, which is not the actual size. private void dodAlgorithm() throws IOException { int count; int randomValue; long fileSize; File file = new File(filename); BufferedWriter writer = new BufferedWriter(new FileWriter(file)); SecureRandom random = … |
| | hey all I have a program to write and I need to use the JOptionPane dialog box to use JOptionPane to say Yes_No_Option, all I would like to know what is the code to be used , how does it work and will it work in a program. |
| | hie, new to daniweb my name is christel my interests are user interface design, javascript, ajax, node.js & JSP. looking forward to putting a few java certifications under my belt this year here is my hellow world in java public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, … |
 | I have a JTable that a user can input data. I have an image that I would want to put at the top of my page when printed and also another image that I would want to work as footer. How do I print these on the same page including … |
 | Hi Dw I have a multi-threaded server that connects thousands of clients. The clients sends in data that the server must write to a text file. As there are a thousands of clients sending in data the server has about 60 texts files but the data sent by the client … |
| | hi i need the answer of :- write any 3 java programs, but their is no java programs in the computer |
| | Java swing component jtabbedpane is opaque even after jtabbedpane.setBackground(new Color(0,0,0,0)); or jtabbedpane.setBackgroundAt(index,new Color(0,0,0,0)); |
| | trying for the longest while to get this program to run at least properly, havent finished entering all of the codes as, just testing each part of the statement before i add in the rest of the codes the program is not working properly dont know where I have gone … |
 | Every time I try to compile this code I get the same error but it doesnt seem to make any sense. This is the code: public class Software Development { public static void main(String[]args) { System.out.println("Hello World"); System.out.println("2name"); System.out.println("name: \n"+name); System.out.println("\"name:\""+name); } } And this is the error: Software Development.java:1: … |
| | I am currently working on a program that asks a student to answer 5 simple maths questions after each question it will state whether the answer is right or not. which it will out put a grade and grade average percentage. Currently I'm stuck on the if statement where it … |
| | package deviation; import java.util.Scanner; public class Deviation { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter n: "); int n = input.nextInt(); System.out.println("Enter " + n + " numbers: "); double[] x = new double[n]; int i; for (i = 0; i<n; i++) { x[i] = … |
| | Sorry for the misleading question guys, I know how to generate two random numbers but I want to use them in One JOptionPane input Dialogbox so the user can add the two numbers. Below is my code of what I have done so far I know it's not a lot … |
| | hi all i am doing a programing and got stuck on two condition. here is the code that I have done so far. it is as far as i reach. for(int i=1; i<=3; i++){ System.out.println("please enter the employee id number"); emp_idnum = input.nextInt(); System.out.println("please enter the employee first name"); empfirst_name … |
| | Hello, Thank you for your time! I am trying to understand the Quick Sort algorithm. I have some questions about the partition method. I found the following implementation online: import java.util.Scanner; public class QuickSorts { public static int partition(int a[], int left, int right, int size) { int pivot = … |
| | At my work we have an internal webite that only uses Java 6. 7 and up will crash the site locally. I am aware that it really needs to be update for many reason. Does any one know of a way to launch IE to use an older version of … |
| | I have a JTable that has four columns. In the second column I have assigned a JComboBox to be the cell editor of my column.The problem that I encountered is that I cannot handle the combobox the way I want. **What I want is that after a user select an … |
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