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Need help to write Java program to Find and replace sTring in Docx and Doc files. I am getting "
Exception in thread "main" java.lang.NoSuchFieldError: RAW_XML_FILE_HEADER " error.
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Without more information it is anyone's guess where that error occurs, and why. Please edit your question and explain exactly what your code is trying to do (you can show an extract of where the error occurs).
You should also check RAW_XML_FILE_HEADER - Google Search[^].
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Hi everyone. I am new to Java and not even sure it can accomplish what I am trying to do. I have been asked to try to come up with a web based program that will create numbers in a sequential order....IE: 001, 002, 003.....upon every press of a button. I need these numbers to be able to be stored so that the next time someone else loads this up and presses the button, it will produce the next number in the sequence. It also has to work across many workstations and users. Is this even possible? Or should I look at another option? I thought Java might be the best option, seeing how easy it is to implement into HTML. Any help would be greatly appreciated.
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Yes it is possible. You will need HTML and Javascript (not Java) for the front end. That will allow you to display the numbers and use a button for actions. Then you will need a suitable backend to save the last number created on the server. You could use Java, PHP or one of the .NET languages. Use Google to find samples of simple web applications in your language of choice.
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Would javascript even be needed?
First display screen could be all html. Then button is just url request to load 'another' page which just returns the first (html) page with the new number.
Can't one do that in just html?
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Quite possibly, but how would you increment the number?
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The button causes another page to load. That new page has a button - with a different index.
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Thanks for the suggestion.
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Hi
Can my gif file be made use of to modify the same so that the elecopter.gif starts flying up
An applet java prg does this .(java applet program shown )How to modify my gif file
to function like the java prg or how to get the java plug for this.
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>
<img src="Elecopter.gif" width="428" height="640" border="0">
</BODY>
</HTML>
modified 21-Nov-18 4:30am.
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What happens when you try it?
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Okay, I have scoured the internet for tutorials on writing Java on an Android.
So far, I think I would have a better chance of learning how by watching television commercials.
Okay, here's my goal; admittedly modest, but if the gang here can direct me, I'll be miles ahead from what the internet has to offer.
Spec: A Java App
Platform: Android phone
Function: None (It doesn't do anything)
All I want to do first is to write an Android app which...
- Just appears on the screen
- Doesn't accept any input
- Doesn't produce any (meaningful) output
- Doesn't interact with any other app in any meaningful way
- Goes away properly when you close it.
I intend to install the latest version of Android Studio on my desktop computer this week; Monday if possible, hopefully by Friday at the latest if my boss gives me a day or two off.
Okay, so, if I can properly install the current Android Studio; where is the first place I click ? What do I do ? I want to be able to move between computers, so I'll want the source files on a thumb drive.
Let's call this app: "DEADBEAT" Sound like a winner ?
What's my next step ?
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Okay, I'll try that.
Thanks
(Voted your comment up one)
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hi..how can I define 10 books in a new class...that the books have name,writherName and a code?
then show them to user as a list?
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Hey all, I'm not sure where to post this but I hope it's ok to throw it in here. I'm currently learning Scala and I come from more of a Java, C++, Python background. I wrote some code just to sort of figure some stuff out and experiment a bit. I'd love some some feedback, particularly regarding technique and convention and whatnot. The following code will run. I'm doing some simple lazy evaluation of primes. Thanks again.
import scala.collection.mutable.MutableList
import scala.collection.Iterable
import scala.io.{StdIn => input}
object Main {
def main(args: Array[String]): Unit = {
var primeList = MutableList[Int]()
var primeFinder = Iterator.from(2)
nPrimes(primeFinder, primeList)
}
def oneAtATime(primeFinder: Iterator[Int], primeList: MutableList[Int]): Unit = {
println("We are lazily finding all the primes!")
do {
nextPrime(primeFinder,primeList)
println("So far, we have: " + primeList.mkString("[",",","]"))
println("Continue?(press n to quit): ")
} while (input.readLine().toLowerCase() != "n")
}
def nPrimes(primeFinder: Iterator[Int], primeList: MutableList[Int]): Unit = {
println("How many primes would you like to find? ")
val totalPrimes = input.readInt()
for( i <- 1 to totalPrimes) nextPrime(primeFinder, primeList)
println("First "+totalPrimes+" primes: " + primeList.mkString("[",",","]"))
}
def nextPrime(primeFinder: Iterator[Int], primeList: MutableList[Int]): Unit = {
var isPrime = (n: Int, primes: Iterable[Int]) => (primes.takeWhile(p => p*p <= n).forall(n % _ != 0))
var primeVal = primeFinder.next()
while (!isPrime(primeVal,primeList)) primeVal = primeFinder.next()
primeList += primeVal
}
}
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hi.
i have to do a code that it will find duplicate element and multiply them to give new array
and if there ist any negative elment muss a Recursion this array correct.
ihope that some one kann help me
thank you
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hi..how can I scan a number from a user..and save it?
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Probably by using some sort of scanning device. But without more information it is impossible to be sure.
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#include <stdio.h>
int main()
{
int number;
printf("Enter an integer: ");
scanf("%d", &number);
printf("You entered: %d", number);
return 0;
}
Output
Enter a integer: 25
You entered: 25
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import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
public static void main(String[] args) {
int i = 4;
double d = 4.0;
String s = "HackerRank ";
Scanner scan = new Scanner(System.in);
int i1;
double d1;
String s1;
i1 = scan.nextInt();
d1 = scan.nextDouble();
s1 = scan.nextLine();
s1 = scan.nextLine();
System.out.println(i+i1);
System.out.println(d+d1);
System.out.println(s+s1);
scan.close();
}
}
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import java.util.Scanner;
public class test
{
public static final int SENTINEL = -1;
public static void main(String[] args) {
Scanner kb = new Scanner(System.in);
int score = 0;
int sum = 0;
System.out.println("Enter numbers here");
while (score >= 0) {
if (score <= -1) {
score = kb.nextInt();
sum += score;
score = 0;
}
System.out.println(sum);
}
}
}
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If there are any deadlock cases in production environment, then, how can we identify it?
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Code analysis, unit testing, full testing etc. Try Google (again) to find research papers on the subject.
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