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Why your java not working?

Updated: 8/10/2023
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13y ago

Best Answer

It works on this one.

System Configuration

Some operating systems and configurations may have trouble running Java. It is unlikely if your system and software are up to date. There was some rumors and I'm not sure how credible they are that Microsoft campained to keep Java off their older operating systems.

Not Installed?

Also the more obvious solution may be that you do not have Java installed.

Check out this website to download the latest version of Java for your platform.

  • http://www.java.com
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12y ago
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14y ago

It isn't. Compared to languages like Perl, Python and Ruby, Java is a regular speed demon. (That is, the latest implementations are fast. Around year 2000, Java was no quicker than Perl & Co.)

Java tends to be a few percent slower than a similar program in C (or compiled Lisp), but in many cases this difference is not very important.

Java is slow in startup time. This is because Java uses interpreted bytecode, and needs to load a lot of framework before it can start executing the program.

Also, the Just-In-Time compiler, which compiles interpreted bytecode (slow) to machine code (fast) on the fly, doesn't begin to kick in until the program has been running for a while.

For these reasons, Java has had its greatest success in server side web applications. Server code runs for days and weeks at end, so a few seconds extra startup time is irrelevant. And in a server context, Java is not slow.

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12y ago

I am trying to set up a bit of coding that will allow customers on my site to see how much a product will be before they buy it. All of my products have a 3 digit serial number, and the price of a product is the sum of the digits in the serial number plus 10. I have written this code in the hopes of allowing customers to input the three digits of the serial number, and then for the price to be displayed for them. However, it isn't working, and I don't really know why, as I am a beginner when it comes to programming. Could someone please take a look and let me know where I am going wrong? Remember, I am a real beginner, so my mistakes could be huge or tiny, I don't know.

The code:

<HTML>

<HEAD>

</HEAD>

<BODY>

<SCRIPT TYPE="TEXT/JAVASCRIPT">

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11y ago

You are not providing enough information. What OS do you use, 64 or 32 bit, what is the error, have you tried turning your computer off and on again and trying again, are you running the installer as admin,?

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9y ago

<html>

<head>

<title>Exam entry</title>

<script language="javascript" type="text/javascript">

function validateForm() {

var result = true;

var msg="";

if (document.ExamEntry.name.value=="") {

msg+="You must enter your name \n";

document.ExamEntry.name.focus();

document.getElementById('name').style.color="red";

result = false;

}

if (document.ExamEntry.subject.value=="") {

msg+="You must enter the subject \n";

document.ExamEntry.subject.focus();

document.getElementById('subject').style.color="red";

result = false;

}

if (document.ExamEntry.examnumber.value=="") {

msg+="You must enter the exam number \n";

document.ExamEntery.examnumber.focus();

document.getElemntById('examnumber').style.color="red";

result = false;

}

if(msg==""){

return result;

}

{

alert(msg)

return result;

}

}

</script>

</head>

<body>

<h1>Exam Entry Form123</h1>

<form name="ExamEntry" method="post" action="success.html">

<table width="50%" border="0">

<tr>

<td id="name">Name</td>

<td><input type="text" name="name" /></td>

</tr>

<tr>

<td id="subject">Subject</td>

<td><input type="text" name="subject" /></td>

</tr>

<tr>

<td id="examcode">Exam Number</td>

<td><input type="text" name="examnumber" /></td>

</tr>

<tr>

<td><input type="submit" name="Submit" value="Submit" onclick="return validateForm();" /></td>

<td><input type="reset" name="Reset" value="Reset" /></td>

</tr>

</table>

</form>

</body>

</html>

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15y ago

If you do not have admin privileges on your machine then you may not be able to download stuff onto your pc.

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Wiki User

14y ago

It should run just fine. If it isn't, you should call the tech support number that came with your laptop.

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Wiki User

13y ago

Command 'javac MyProgram.java' never executes the program, that's what command 'java MyProgram' does.

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13y ago

If your meaning Java, like install with Java installation, then go see where you got your laptop from.

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