32,207 Topics
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| | Hi All, I m trying to send a simple mail... but not able to send because of this exception [CODE]thread "main" javax.mail.AuthenticationFailedException:[/CODE] and the problem is in this line here is the simple java class for sending mail [CODE]public class SendMailUsingAuthentication { private static final String SMTP_HOST_NAME = "tx.technoinfo.in"; private … |
| | hi all!! I need some help here. It's the Translation matrix. I can't seem to get the output. I wonder if my conditions are right cause I've been changing them. Please do take a look from line 125 onwards. Thanks much! [CODE]import java.io.*; import java.util.*; import java.text.*; public class KateAug24{ … |
| | Here is a starter program that prints prime factors of a supplied numbers as a string.It's quite buggy as the input 8 yields 1.2.4 when what i wanted is 1.2.2.2 and I don't understand why the return in line 32 (commented) is not executed. [code=java] //program to compute prime factors … |
| | ok i need to write something like [CODE] if { days > 5 && minutes > 5 } [/CODE] basically i need minutes to be around 5 to 10, and cannot be greater than 10. how do i do write this within the same if statement? |
| | THIS IS A PROGRAM THAT WILL OPEN A WINDOW, THEN WHEN YOU CLICK CALCULATE GPA, A JOPTIONPANE THING WILL OPEN AND YOU WILL PUT YOUR GRADE IN, THAT WILL HAPPEN 2 MORE TIMES THEN THE LAST ONE WILL SHOW YOU YOUR GRADE AVERAGE. WHEN I COMPILE THIS PROGRAM, EVERYTHING IS … |
| | i established an array of objects. i want to user to name a chess piece, the name of the chesspiece then will search the object in the array [CODE]package il.co.ChessInterface; import il.co.Pawn.Pawn; import il.co.Bishop.*; import il.co.King.*; import il.co.Queen.*; import il.co.Rook.*; import il.co.Knight.*; import java.io.Console; public class ChessInterface { public static … |
 | copy constructors ?? what are they ? |
| | import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; public class DerbyTest { private Connection connect = null; private Statement statement = null; private ResultSet resultSet = null; public DerbyTest() throws Exception { try { Class.forName("org.apache.derby.jdbc.ClientDriver").newInstance(); connect = DriverManager.getConnection("jdbc:derby://localhost:`1527/vineet"); statement=connect.createStatement(); resultSet = statement.executeQuery("SELECT * FROM EMPLOYEE"); while (resultSet.next()) { String user … |
| | Hi all, hope u guys r fine. i have a question about array.im using double array,but seems cant support bigger size and im planning to change it to arraylist.but the problem is, can i update the data in arraylist? [code] int value[]={9,8,9,7,9,7}; int[][] myTupple = new int[count][value.length]; repetition =1; for(int … |
| | [B]How do i resolve this error...i know this exception should be thrown only when i am using an older version jre to run my class file which should be compiled with a newer jdk but i have jdk 1.6 update 18 and jre 1.6 update 21 . thanks for any … |
| | I am trying to develop a software that can automatically search and download the correct subtitle for my movies. I need to compare the fps rates. How can i find the fps of a movie in java ? |
| | Hi all, I'm using netbeans 1.6 ide to develop my project. When I build my project, netbeans create .jar file. but when I run it it also runs but not like When I run it from ide's run button. Some parts of application do not work example a button click … |
| | [CODE]class Faltu { public static void main(String aa[]) { int a=4,b; if (a==4) b=5; System.out.println ("b="+b); } }[/CODE] Here it says : "variable b might not have been initialized", but in the following : [CODE] class Faltu { public static void main(String aa[]) { int a=4,b; if (true) b=5; System.out.println … |
| | I have the following XML file: [CODE]<graph caption="ECG Data Wave" subcaption="For Person's Name" xAxisName="Time" yAxisMinValue="-0.025" yAxisName="Voltage" decimalPrecision="5" formatNumberScale="0" numberPrefix="" showNames="1" showValues="0" showAlternateHGridColor="1" AlternateHGridColor="ff5904" divLineColor="ff5904" divLineAlpha="20" alternateHGridAlpha="5"> <set name="12:00:00.01" value="0.600000" hoverText = "The difference from last value: 0" ></set> <set name="12:00:00.02" value="0.640000" hoverText = "The difference from last value: 0.04" ></set> … |
| | hi guys!:) ....first I'm new friend for u :$:$:$:$ and for first time I wanna to tell u that I wanna some help ....:S ..In the programming java... I have a game and I want to finish it....who can help me ???:S:S:S:S thx alot u r friend touma |
| | hi friends, I am a novice java programmer. I am in a learning process in java servlets. But i struck into a Class method which should return a result set([B]result of a join query[/B])as a an arrayList using the existing bean class. I will show my code as some one … |
| | DEAR FRIENDS, I M NEW TO JAVA, PLEASE ANSWER MY QUESTIONS: 1. I am trying to use float and double in java? can u tell me how to use it? 2. I am trying to calculate simple interest in java ? please fix my code: public class simple { public … |
| | Hi all, I am using JAVAMailAPI for sending emails. And I set the Message.setEnvelopeFrom(ReceiveMailId); to receive the failure notice, and my problem is if the mail host and ReceiveMailId domain, it sent the failure notice, but both are different , it did not sent the failure notification email. How can … |
| | import javax.swing.JOptionPane; class homework{ public static void main(string[]args) { String ipt,n,h,r,r2,h2,b1,b2; Double iptipt; JOptionPane.showMessageDialog(null,"1… of a Circle\n" + "2.Area of a Trapezoid\n" + "3.Volume of a Sphere\n" + "4.Volume of a Cylinder"); ipt = JOptionPane.showInputDialog(null,"Input your desired choice(1,2,3,4)"); iptipt = Double.parseDouble(ipt); if (iptipt == 1) ------ IF ELSE STATEMENTS WILL … |
| | Hi, I am new. I did my my best to read the rules first so please pardon me if i missed any. My qestion is in regards to filling up a matrix diagonally: "Write a method that accepts a square matrix. Assume that the size of the matrix is declared … |
| | Hi All, I have the following code to read in an XML file and to get the basic statistical information. I am having problems trying to get it working. Here is what I have so far: [code=java] import java.util.*; import java.io.File; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; import org.w3c.dom.Element; import … |
| | Here's the problem... I want to create a table about the stack like this: [code] ((A+B)-C) Symbol Postfix Stack ( ( ( (( A A (( + A ((+ B AB ((+ ) AB+ ( - AB+ (- C AB+C (- ) AB+C- [/code] But i don't know how to … |
| | Hi everyone I have to write client/server client/client chat program for at least three machines(users) connected together to chat using java My questions are 1. Do i need to have a server installed ina one of the machines. 2. Do i have to run the server side onf the application … |
| | Hey guys, I have two questions. I have a multithreaded server that is able to process requests from more than one client at a time. However, my server has a habit of shutting down after a while, despite that I have an infinite while loop to keep it accepting connections. … |
| | Hello, I've looked all over for the solution to this problem, but they all present a similar solution to this one and they all don't work. I've created the JFrame in the constructor for the class that this method is contained in. [CODE] public void print() { JPanel panel = … |
| | So i have to write a program that designs a basic Home CAD System. The user will be able to build a house, add/remove rooms and items, etc. I have began writing the program and all seems gravy, i decided to use an ArrayList for the list of rooms the … |
| | Hi all Im experiencing problems whereby my codes can only read one file instead of all files in my directory. Does anyone know anything regarding this? Below are my codes: [CODE]import java.io.*; import java.util.*; public class extractionn { public static void main( String[] args ) { File dir = new … |
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| | I recently wrote a short program for an exercise in a textbook. After completion however I re-structured the program to use methods instead of one long main method. My question: Which way of programming should I be using? I am leaning more towards the methods as it is much more …  |
| | Hello Everybody! Can anyone please tell me about the SharedPreferences in Android Programming. I need to use it in my application but not quite clear about it. An example with coding will be greatly appreciated. Thanks, john butler |
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