35,618 Topics
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| | Create a new project called petstore_domain create 2 packages one com.anblicks.domain second com.anblicks.domain.test move all domain model in to package one and keep all the tests in package 2 Make the Catalog Class Singleton Class Create a testCatalog Class in the second package create atleast 10 tescases for testing the … |
| | Hey, im looking for a way to get a double value to follow the IEEE 754 standard, iv seen a number of librarys for it on java but i had my doubts to whether it was a problem that wasnt solved already with a java standard library. The value i … |
| | Hi, I need some help on my stack i could not input the infix because it will generate error when i compile,and it says that non-static method priority (char)cannot be reference from a static context....Thank you in avdvance. public InfixToPostfix(int size) { stack=new Object[size]; top=0; } public boolean isEmpty() { … |
| | sir i would like to know how to encrypt an image in java (the classes and how to proceed) |
| | import java.util.Scanner; import java.util.*; public class Interest { public static void main(String[]args) { double interest, primary, period, amount, yearly, monthly, daily, weekly, quaterly, bianually, time; Scanner Scanner = new Scanner(System.in); System.out.println(" How much money is the person wanting to loan?"); primary = Scanner.nextInt(); System.out.println("Please enter the rate of interest."); interest …  |
| | How can i change my java program in netbeans(currently) so that i can install my program in any other computer? Which is the currently best tool plzz help |
| | Hello. I am new to Java and I am creating a simple applet while I to learn. My problem is that one of my methods doesn't seem to be working. The applet is a simple moving sprite; use arrows to move, ect. I am trying to create a missile using … |
| | hey guy, i found a problems during my project, i write a web apps in jsp html, i found that i can call a java function by succesfully. the scenario is like this : Below is my html code of button, i got two button here, 1 is submit button … |
| | Hello everyone... I have just a simple project where i have to draw a picture (Robot) and on a klick on a button, the Robot turns to the left. My problem is, the Robot turns correctly but the new Robot drawing (position showing the Robot from the left side, back … |
| | for (k=0; k<M; k++) for (i=0; i<N; i++){ c[i][k]=0.0; for(j=0;j<P;j++) c[i][k]+ =a[i][j]*b[j][k]; I have implemented the above sequential matrix-matrix multiplication algorithm, but i'm not sure about implementing a method to display the output to verify that the algorithm works as expected. |
| | Hi everyone I am trying to copy one table from one database to another database, so can someone tell me how to that.  |
| | my problem is asking me to write a program that reads a value (say n) from the user and outputs Hello World n times. Verify that the user has entered an integer. If the input is 3, the output will be Hello World printed three times. I have gotten this …  |
| | public int intRet1; public int intRet2; public void IntRandom(int intNumber) { int intNum[] = new int[36]; Random randomGen = new Random(); intNum[0] = randomGen.nextInt(intNumber)+1; do{ intNum[1] = randomGen.nextInt(intNumber)+1; }while(intNum[0] == intNum[1]); intRet1 = intNum[0]; intRet2 = intNum[1]; } today I tried using *java.util.Random* class, but as you can see I … |
| | Hi can anyone help me on this..I am tying to change the UIManager. UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel"); This gives me a lot of Exception. Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at javax.swing.plaf.synth.SynthLookAndFeel.paintRegion(SynthLookAndFeel.java:364) at javax.swing.plaf.synth.SynthLookAndFeel.update(SynthLookAndFeel.java:328) at javax.swing.plaf.synth.SynthRootPaneUI.update(SynthRootPaneUI.java:120) at javax.swing.JComponent.paintComponent(JComponent.java:778) at javax.swing.JComponent.paint(JComponent.java:1054) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5221) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:295) at javax.swing.RepaintManager.paint(RepaintManager.java:1206) at javax.swing.JComponent._paintImmediately(JComponent.java:5169) at javax.swing.JComponent.paintImmediately(JComponent.java:4980) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:770) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:728) … |
| | string using java??please help..the problem is..inputting your name then reverse it. |
| | I want to store a Vector<Vector<Object>> in mysql database. What is the best data Tpye that i can use in mysql and java to store and retrieve the datas. |
| | Hi guys! I found a source code from the net [Click Here](http://www.sourcecodesworld.com/source/show.asp?ScriptId=1159) about creating an address book. Right now I'm trying to learn how to do it myself by reading diff. samples, the thing is I always see this written in the description and I have no idea how to …  |
| | HI.I need advice on the best IDE i can use to code and what are the reasons. Thank you.  |
| | Hello .. I wish i don't violate community rules :) I was used to work on the NetBeans IDE Now I am converting to eclipse The problem is that i can't neither create nor find the final executable jar file In NetBeans I just press "clean and build" then the … |
| | /* * error on " byte[] m=args[0].getBytes();" error: array index out of bound exception, help me please */ import java.io.*; import java.net.*; import java.io.IOException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; import java.net.SocketException; public class UDPClient { public static void main(String[] args) { System.out.println("client started"); DatagramSocket aSocket = null; try { …  |
| | hello i want to load one of my table column(employee_id) in to a combobox, and i also want to delete the raws correspondant to any selected item(employee_id) from that table.can u help me please..  |
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| | I just want some favorite java codes I can use in my html pages and find them by searching java codes. |
| | hi i am new at game development and i need help getting started. i wanted to create a basic 2d side scroller kind of like mario. i want to create this game in java using slick libary and using a 2d array map. here is what i mean. BBBSSBBBBBSSBBBBBB BBBBBBBBBGBBBBBBBB … |
| | Hi we are developing the KNN data mining classification algorithm and are unable to proceed after a point. We have been able to calculate the Euclidean distance metric and find the three closest neighbours to an instance and ordered them in ascending order. However, with the help of the distance … |
| | Hello Friends. i have set my environmental variable path of Microsoft JDBC Driver 4.0 as C:\Program Files\Microsoft JDBC Driver 4.0 for SQL Server\sqljdbc_4.0\enu\sqljdbc4.jar and i have also used the url "com.microsoft.sqlserver.jdbc.SQLServerDriver" in my Class.forName(). But still at run time i get the exception java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver. I am using Microsoft sql … |
| | hi, i want to get live video from cctv dvr on jpanel,plz help thanks |
 | Hi there! What I'm trying to do is have multiple lists have the same length (size) so I can iterate easily over them later. I want to "extend" the size of the smaller lists to match that of the largest list without just tacking on entries, I want to distribute … |
| | import java.io.*; public class NewClass { public static void main(String[] args) { try{ Runtime rt = Runtime.getRuntime(); Process p = rt.exec("cmd"); BufferedReader Pop = new BufferedReader(new InputStreamReader(p.getInputStream())); BufferedWriter Pin = new BufferedWriter(new OutputStreamWriter(p.getOutputStream())); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String newCmd; System.out.print("Enter Command : "); newCmd = br.readLine(); String s; … |
 | Hello All, I have been developing a website that has a secure area. At the beginning of the secure page I wrote a scriptlet to check whether the user is logged in. I want to take this scriplet and put it in a javabean. Could any of you guys suggest … |
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