I am lookinf for an algorithm that will count the age of the students according to their date of birth. Also i want the program to extract the age of the students automatically in the next years.....thank you

I've written this piece of codefor (int i=0; i<array.length-2; i++) //assigning random numbers to the array{array[i] = ( (int)(Math.random() * lastNumber + 1)); }And I do not want it to generate the number 0 but it does. Can somebody please tell me where I went wrong? I thought even if ...

hello everyone,I need help in writing a binary search tree into a text file andlater, search the nodes in the file by using search function in the program. I have a binary search tree i.e.,7/\59/\/\36 810to be changed into ....file.txt=====75936810To search the node 3 in the file, I have to ...

HelloI need an algorithm for comparing 2 strings. IT must function like "LIKE" method in SQL.Can anyone help me on this ?I think it must be done with regular expresion, but i have no ideea how.For example:"Hello everybody in here, the java Forum" MUST mach with "everybody in here forum"Is this ...

Hi allIve recently been assigned the task to interface with a Quantum Dvr(digital video recorder) Kdvr1080.I can send and recieve streams on network and generally communicate with the dvr but im haviing trouble with the crc checksums.The manufacturer has taken far to long to send any help ...

HI, im having problems with the following algorithm: Given n integer numbers, find combinations between them of sums and differences that totalize an objetive value Z. The program should have as input the n numbers and the objetive value Z, the output must be the combinations of numbers with ...

Hi everybody, i want to develop a simple mechanism for resource allocation in grid computing, but the grid computing is a very big topic and I could not grab it all, I've read a lot of articles and I was confused, so please can anyone tell me resource allocation mechanisms that are easy to ...

import java.awt.*;import java.awt.event.*; import javax.swing.*;public class SampleGui extends JApplet{JLabel lblDec, lblBin, lblOct, lblHex;JTextField txtDec, txtBin, txtOct, txtHex;JButton btnConvert, btnContinue, btnExit;Container con;JFrame f;public void init(){ int i; String ...

I am going to be entering in the java 4k competition this year however I have hit a snag...For my Java 4k game entry I am in need of generating a starfield texture which which will be the texture for a sphere.Due to the restrictive space requirement I am unable to include a pre-rendered ...

I have an object containing Hashtable. I want to take the value from the hashtable and use it for the LHS side of the rule. How do I do that? Object: Test Hashtable in Test: inputHT (the hashtable contains the key as 'age' and value as '21'. Like: inputHT.put(age, new Integer(21)) ) The ...

Hello all, I'm here because I can't seem to figure out how to create an algorithm that lists all possible quarter, dime, nickel and penny combinations in a dollar.I need to print the result to the console, and have it in the following formatq|d|n| p40003210So on and so forth.Any ideas are ...

i have a string which stores "26/05/06" ...how can i store it into a Date and retrieve the year to get the output "2006"thanks alot.

I was wondering if anyone could help me with this problem?Two message boxes come up asking the user first to input a factor and then the next is to enter a multiple. I have to figure out if the first value is a factor of the second value. I know to use the modulus operator but I'm still ...

I've developed a Doubly Linked List which controls a Stack I have also designed.I am using the Stack to implement a infix to postfix conversion tool.Perhaps this should be under another forum topic, but my issue is that my DLL and Stack have been developed to accept Object, and my infix to ...

I need help with the statistic of eight coin toss, with the number of coins tossed with the input of 'h' and the number of coin tossed with the input of 't'.Here is what I have so far: with 2 errors, line 10 cannot find symbol, public class CoinToss {BufferedReader in;int ...

I'm having trouble with the code for my perfect numbers. It says that each number I enter is a perfect number.Can someone please look at it and see if they see anything wrong? Thanks. public static boolean isPerfect(int number) {boolean perfectInput = true;int count = 0;for(int x = 0; x <= ...

Hello,I'm writing a small web crawler - I've a prototype implementation using Threads and HttpURLConnection, but as the performance (the ability to fetch as much pages in parallel) is very important in my case, I've decided to reimplement it using NIO.But is there some 'HTTP Socket' class ...

Dear all, I'm a bit stuck on my algorithm exercise, the problem asks us to construct an algorithm that finds the median of an array in theta(n^lg3) time. According the the Master Theoremthe recurrence relation of this algorithm should look like the following:T(n) = / theta(1)n =1 \ 3T(n/2) + ...

I didn't see any other forums like this. My program reads in 3 CSV files as hashtables. The first table is compared to second, which is an exclusion list that causes the first to be reduced. The third table is a map that has the same keys as the first table with an extra element containing the ...

hi all,i guess many people instal anti virus software on their computer.we need to purchase/renew the subscription definition update every year. after paid, they will give me a product key e.g. 8CAFT7TST25ZDCKW563VSUJXXafter input the key, the software will renew the expire date.e.g. 2006 11/ ...

hii'm new on java en all that stuffand i'm trying to write matrix class with several methodsi'm no sure but i think i'll have to start like this : public class matrix{private double t[ ][ ]=new double [ x ][ y ];public int x,y; public matrix(){but i don' know how to ...

Hi all,I am having some difficulities with converting a function into Java. It is originally written in C# .Net. Below is C# code and result.public string getMD5(string str){Encoder encoder1 = Encoding.Unicode.GetEncoder();byte[] buffer1 = new byte[str.Length * 2];char[] aa = ...

Hello,Me and a friend are a university students and we got a project about fingerprint recognition.We need "fingerprint algorithm ".( tutorial / free e book)please help us.thank for your help.

hiis there any algorithm for tagging an item with the keywords and searching them according to these keywords.for example, in a library, a Java programming book can be tagged with the keyword "java, programming, object oriented". so, when a user search with any of these keyword, that book will ...

Hi! I'm a undergraduate student from the Philippines and I'm desperately asking for all of your help.I'm currently undergoing my self-study on pattern recognition specififically the face detection/recognition and to be honest I really had a hard time grasping the idea becuase of so many ...

well im a high school student who has a question i have a problem with this java program im trying to write a program that will print all the factors of a number that is entered in an input box. If there are no factors other than 1 and itself it will printout that the number is a prime number. ...

All is in the subject. I want to represent this kind of tree? > http://en.wikipedia.org/wiki/Image:Tree_graph.svgThey're actually forests. Is it possible with the Collection api or not ? Also, how can I design an XML file to store a forrest? Any help is ...

Hello,I would like to know how to coose elements from an array(or similar data structure) according to a probability distribution. For example a higher probability of choosing the elements nearer the start.Any tips or hints would be greatly appreciatedScathach

Hi,filename.properties===================test.url= http://google.comtest1.url= http://yahoo.comtry {properties.store(new FileOutputStream("filename.properties"), null);} catch (IOException e) {}The store method of the Properties class replaces all http:// to http\://test.url= http://google.com ...

Hi How do I work out the standard deviation for an x and y array.

Hi i have code which looks like this class Test {...............public void display() { ......; }public void test(Object o){Test temp = (Test)o;temp.display();}}Any other method rather than doing

Hi,I have implemented the Levenshtien's algorithm for string matching to find the insertions, deletions and substitutions for converting one string to another. But, this works fine for small strings about 256 characters.Can anyone give me a suggestion as to which algorithm will work best for ...

Hello,can anyone tell me what string matching algorithm the method .find() in the class Matcher uses?I need the answer for my diploma thesis ... because i use regular expressions for my implementation ... and want to describe how string matching works in java ...Best ...

I have been looking around on the Internet, but I couldn't really find a decent explanation of Dijkstra's and Bellman-Ford's Algorithm.Could someone explain how they work?Many of the explanations on the net that I've found use an optimized version of the algorithms, although I know that ...

can anyone post a simple watershed algorithms ?/simple code is enough...thanks...

Dear AllI have an implementation of Naive Bayes. The algorithm's ouput are class labels and their propabilities.I want to do the following: I want to the algorithm to sort the propabilities and then return the class label with the greater possibility.How can I do this? Array?Should I create a ...

well i always get this error and i cannot fix it...in my if statements when i have the else if hting i sometimes comes up'else' without 'if' how do i fix it ?

i have the need for a data structure that will essentially be the same as a database table. this "table" can be queried against and sorted. currently, i am using an interface to abstract this "table" datastructure, and implementing the interface via jdbc calls.may someone point me in the right ...

Assume you have "n" sorted files, each of size "B".Each sorted file contains the same number offixed length records. Each record has length "r".You want to merge these files into a single sortedfile. Assume you have an array of length "B" to usein memory.What is the function that describes the ...

Hi ,Can any body provide me an idea to parse an algebraic expression in Java.Are there any built in classes for parsing an expression and evaluating after substituting the values for variables in the expression?If no classes are availble,plz provide me any algorithm for doing that.Thanks in ...

Suppose you have two sorted files on disk, and youwant to merge them into a single sorted file. Thefiles are large and won't fit completely in memory.The files are equal size.Imagine you have a single array to store data.Your array will look like this:[ m |x1|x2]The x partitions are where the ...

I have thousands of xml files stored at some location of unix machine. I need to extract only those xml files which have some particular pattern of numbers stored. Right now, i have 300 such distinct patterns to be searched among those xml files.I am in search of some efficient way so that my ...

the project should input five or more parametrs and then get an equation ,thanks everyone

Hello,i would like to implement somekind of parallell download with java.I am thinking about algorithms about how to split any media files in pieces(maybe of fixed length) and uniquely identify each piece. Then a way for a computer to retrieve each piece.( i am dealing in Peer To Peer).i would ...

anyone know region growing, region merging and watershed algorithm?Pls post it here, thanks in advance .. a simple code also can..

Hello everyone,i'm university student and i need to implement PBIT sorting algorithm in Java. PBIT is 'profit before interest and taxe'. Pesudocode for this algorithm in C++:Node *Pbit(Node *L, unsigned M, Node *P=NULL){ if(L) { M=M-K;Node *tab[]={NULL};for(Node *i,**in; i=L; ...

Hi everybody,I have the following problem:I have some points in a 2D space, and I need to find fields of close points in it, the maximum distance between the points is given by the user, the algorithm needs to be fast because sometimes there are a lot of points.Thank you for your help! ...

Does anyone know any basic algorithm that can be used to predict a company's share? I think there must be some formula or algorithm.I know one cannot predict stock martket trend but I'm sure someone must have made some attempts.

Hi,I've created a game of chess bottom up - I've been working on it for about one year now. This is a for fun project that I'm working on for pleasure, not a homework assignment or some.I have reached the point where I'm interested in making a computer player who makes 'smart' decisions. ...

Hi all, I am suffering in java regular expression, and I hope you guys can help me out. I want to use the String api ".matches" to find out any string pattern like "xxxx.xxxx" where xxx can be only english word(both upper and lower case). Actually I will use this kind of expression to represent ...