Java

Hello, first post, total noob here. Not even sure if this is the right place to post this. I get this NullPointerException that I haven't a clue what that means. I have tried googling it and no luck understanding what this error is/does or the cause of it. One thing could be that I don't...

For a web application developed using HTML5,javascript, and JSP. how can we deploy .war file online to test the application.

i want to learn java before that i want to know the uses of java

I'm moving in U.S and planning to enroll in University on Programming courses. My experience in this field so far was one year highschool/Webdesign college where I learned about HTML and started to watch some lessons online such as free curses from Washington university But they were teaching...

I cannot download Java runtime and need help with the error message that comes up

Now here is the java program: class Figure{ double dim1; double dim2; Figure(double a,double b){ dim1=a; dim2=b; } double area(){ System.out.println("Area is undefined."); return 0; } } class Rectangle extends Figure{ Rectangle(double a,double b){ super(a,b); } double area(){...

My new laptop arrived today and, well, it's not behaving as it should... I installed Java and then Minecraft, so I could test how fast it was...I got around 30fps! Here's the laptop...http://www.ebay.co.uk/itm/301122833881?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 I've been told that...

My clients are used to double clicking even if they are not supposed to. I want to tweak the java script to dynamically disable links/buttons after a click. But how? i don't know an iota about java script.

Java programming Write a program that will receive the first name ,last name,age,complexion (fair/dark),weight (kg)and height (m2) of 5 individuals; calculate their body mass index(BMI) and display each name and their respective information (including the BMI) accordingly...

I'm going to a IT university soon and need a laptop for development, namely programming. I'll be doing lots of stuff for Windows, Windows Phone and Android. My budget currently is 500€, but I might be able to get bit more money to buy something even better (600-700€). But for now 500€ is the...

Every time I try to open up Eclipse it says: "A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run Eclipse. No Java virtual machine was found after searching the following locations: C:\Eclipse\eclipse\jre\bin\javaw.exe javaw.exe in your current PATH"...

I need a java programmet to implimantation of algorithm. please help me . I will pay cost of it. thanks

Okay, so my graphics card, and virtual memory is literally a piece of cardboard(Seriously, I don't even think it is fair to compare it to cardboard. In fact, Cardboard might make a suitable substitute) and I was trying to stop Java from taking up 1000000 memory, so on Task manager I did this. 1...

A sophisticated Java-based Trojan herds Macs, PCs and Linux machines alike into cyberattack-launching botnets. Stealthy Botnet Bug Infects Macs, PCs, Linux Machines : Read more

Hi all, I have installed Java 7 update 51 again and again on the Oracle website. Still, each time I log into a site to watch content it gives me this- "Application blocked by security settings Your security settings have blocked a signed application from running." What do you think- its a...

Hi! I just finished my PC build, turned it on and got some basic programs installed. I downloaded Minecraft and Java and it worked fine. However, after a PC reset I noticed Minecraft wasn't loading. I re-installed Java and found it worked again. This keeps on happening, each time I want to play...

I'm having an issue with my java. I tried to run a program earlier and I got a java error. It said "Could not create the Java Virtual Machine". I tried uninstalling java and the program and reinstalling, however it did not fix it. Now I can't even install java. Every time the program is about to...

Hi, I'm looking for a way to learn C# for the purpose of making games in Unity. I get bored/distracted pretty easily and I was wondering if there is any software/guide out there to to make it more fun to learn. BTW I generally don't do very well with video tutorials because I get distracted...

Java may be among the most insecure pieces of software on any computer, and most of us have little reason to run it. Experts advise never installing Java, and disabling it if it has been. But how can we be sure disabling Java won't mess up other programs? Should You Disable Java on Your...

please help me to make my project done. it is in Java. you can find my project in the link below: [https://www.mediafire.com/?dt8c25zl78iltd4]

I want to create an Android app, but I can't find any updated tutorials. Is there a simple tutorial that I could use? I'm really interested in developing apps, I even started taking Java classes because of it. I just don't know where to start.

Is there a free full complete java download if so what is the link please ? Its for an android is tablet many thanks : )

There are a couple programs on my computer that require Java to function, and today for some reason, they are not behaving like they should be. One application is throwing a "Unable to launch the application" error, while the other just isn't pulling the needed info it should be from the...

Hi i am rafiq, What is the default value of float and double datatype in Java? Its my interview questions could anyone tell me the answer please..

When I press play in SimpleMC a java error window pops up with the following information: Window title: Java Virtual Machine Launcher Error: A Java Exception has occured That is the only information the error window provides. I have tried: Completely removing Java(deleted remaining java...

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Can you help me about this? Thanks anyway :) enable to make a program in java product array which contains information about the products which may include the following attributes: product code, product name, category, unit price, stock quantity, etc...

I need an answer....

When I try to download Java, it brings me to a "this page cannot be displayed" page. Ive tried different browsers, I've tried restarting the computer, I've disabled securities and pop up blockers. This has happened after I refreshed windows 8. Thanks

I recently uninstalled an old version of java from my computer. I went to java.com to download the latest version but whenever I clicked any download button, it shows this: http://prntscr.com/1x1z3w Now I can't install java because the link wont even work. My internet is working perfectly fine...

Ok, so I am on this website code acadamy and this is what it is saying to do Write code that contains an if/else statement, just like we did in the last exercise. When your condition is true, print to the console "I am right". When it is false, print to the console "I am wrong". Make sure your...

I am using huawei media pad 10 link tablet .I am unable to dowm load java.Can some one suggest how to down load java in my tablet

-I am trying to write a program that will examine each letter in the string and count how many time the upper-case letter 'E' appears, and how many times the lower-case letter 'e' appears. -I also have to use a JOptionPane.showMessageDialog() to tell the user how many upper and lower case e's...

Is there any free Java programming software that I can start practicing coding on?

Speaking within the context of anonymity and security, I know that one or two lines may not be the truth but in any case the question is the same. If I have a house and I realize that the windows are the weakest point, I don't fill them in with cement. I look for a way to make them secure like...

Mcafee is popping up every now and then telling me JS Exploit Sty kit has been quarantined. Does anyone know what it is/does, where it comes from & how to get rid of it? Thanks

How to name an object in Java by a string variable? For example: createUsr(String s) { User s = new User(); For this example, the reference name would be "s" and not the value of the string s.. thanks!

Needs: Budget - $1000 Size - Thin and Light (13 - 14-inch screen) or 15 - 16-inch scree Primary tasks - Heavy Web Surfing, Heavy Programming, Listening to Music, Movie Streaming and Viewing, Light Gaming Where will you be using this laptop? Mobile/ Home Battery life - 6 - 7 hours How long...

i recently got a Samsung Galaxy Tab2 10.1 inch tablet with Android. Some games don't play; I get a message that Java is not compatible with my tablet. Is there a download or app I can get?

If Java causes some trouble, you may get the error message "Could not create the Java Virtual Machine." This tutorial will help you solve the issue. When that happens, the easiest solution that has been tested on Windows XP, Windows 7 and Windows 8 is: ■ Open the Control Panel ■ Go to...

how to download java for tablet bq edison 2 10.1"

Hi gues, I need help with Java programming. Thank you for the help

hey! i have started a java program but i cant type the codes well. we started with declaring variables and now on inheritance but i cant figure out which code comes after which please help me.give me the steps how i can write short applications and know the codes and understand it very well...

I'm a computer science major and I'm currently learning C++. I would like to get into video game design and mobile app development so I want to learn Python since I heard a lot of games use python and Java is used in mobile devices. I also want to learn C# for Windows development. Since both C++...

The Java code for implementing a singly linked on String data elements is given as a bundle of interfaces/abstract classes, concrete implementations and the driver class as follows: - MyList.java: The interface for list definitions - MyAbstractList.java : Abstract class for list definitions -...

I used to have a Sony Ericsson with a basic Java feature, now I have a basic android phone, not so bad, cheap, works well enough, for both phones,(for my android this started just today), it simply crashes and then turns itself back on then crashes again. If I manage to somehow keep the screen...

When i play games such as minecraft on my PC using 32bit Java and Logitech speakers, some sounds like breaking blocks come through, whilst other sounds like walking around, swimming and music dont come through. I am sure it is not an issue with the game as all the volume settings are correct...

How to create a social networking site with java? I am a java beginner and task is to build a social networking system where user can be registered with password and after login, the user can add friend, group etc.

I just got received the latest update to Java (10.17.2.2) and am wondering if it is safe to enable it in FF and IE? So far, I have been leaving it disabled and only enabling it when necessary; then disabling it again. I run MSE for virus and Malwarebytes for malware.

So I have a restricted account and I am trying to download java to play browser games but it doesn't let me because you cant download anything without being an administrator. If you need to know more about the restrictions to help me out please just ask, thanks!

I did a clean install (as administrator) of the 32-bit "Java 7 Update 17" by installing the .exe file called "JavaSetup7u17.exe" from the oracle website. (you and I both know how there are crap loads of files that you can download from the Oracle website, most of them older versions of java...

CAin I Downlaod BlueJ for Android

Hello, i am new at Java and i am trying to create a class called Vehicle but everytime i try to call it the error "could not find or load main class Vehicle" is shown. even though i try to find mistakes in my code i can not. The code is: public class Vehicle { String make; String color...

;) import java.io.*; public class bro { public static void main(string args[]) { seat [][] seats=new seat[5][6]; int row, input, how many, count =0; string name; string movie="Movie Title:" +"\n1:Seat" +"\n2:view seat" +"\n0:quit"; for (int i=0; i<5; i++) {...

hai I want to implement calculator using java applets(buttons and textfields) so help me how to implement

Apple also fell victim to the Java exploit previously suffered by Facebook employees. Apple Joins Facebook on ''Recently Hacked'' List : Read more

Hello tomshardware community members, I am having trouble updating to the latest version of Java. I have windows 7 64-bit and Java asks me to update to Java 7 Update 13. When I do so, it says this: "The feature you are trying to use is on a network resource that is unavailable. Click OK to...

Facebook is now one of many popular sites that have been recently hacked. Facebook Hacked by Zero-Day Java Exploit : Read more

i want to know alot about object oriented programming in java,please guyz suggest me a book that would guide me write big programs that can encounter problems in our daily life for example transport,health services,social services etc.

Google's use of Java in Android was "decidedly unfair". Oracle Appeals Against Google's Android Ruling : Read more