Tagged Questions

Java is an object-oriented language and runtime environment(JRE). Java programs are platform independent because the program execution is handled by a Virtual Machine called the Java VM or JVM.

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Is it secure to pass a password to Java from Jquery ajax callback in plain text?

Or do I need to encrypt it first. I'm using a password text field, grabbing it with var pwd = $("#userpassword").val(); and then $.post('JavaServlet', { formData: formData, pwd: pwd, date: date ...
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23 views

Java String equals

DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length); _socket.receive(receivePacket); String sentence = new ...
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1answer
8 views

variable scoping

I got an annoying question why is it when I first attempted to compile this code with the variables imageSize and memorySize declared immediately under CameraPhone class compiler gave me a logic error ...
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0answers
9 views

Ordered LinkedList logic in Java, LinearNode head is being reassigned each time

I have a generic ordered Linked List class. For some reason, LinearNode head is being reassigned every single time I run add(). Any ideas? Why would head be changed each time I run this? I'm not even ...
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0answers
14 views

Import or Implement Reusable Statics?

Option #1: public class WidgetStatics { public static final String FIZZ = "fizz"; public static final String BUZZ = "buzz"; } And then: import com.me.myorg.myapp.WidgetStatics public ...
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13 views

How to watch variable value in method in abstract class

The IDE is Eclipse, when I debug/Trace and I want to watch the variable in a method in abstract class, but it does not show anything. Any ideas? Thanks a lot!
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9 views

simplifying texture and corner coordinates 'openGL

I draw a cube , covered with a dice texture (a 1024*1024 pixel PNG) the output is correct , with 72 cube corner coordinates and 48 texture coordinates, as long as I know it is possible to omit common ...
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4answers
29 views

Defining methods in super class for sub classes

How would one go about defining a method in a super class but leave the implementation to the sub classes?
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3answers
22 views

Java paint issue

OK, i've been searching and googling for ages and it's driving me MAD. (please bear in mind this started as code from the University). Any help would be massively appreciated! Since I appear to have ...
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0answers
10 views

why a:commandLink's action attribute works but h:commandLink's does not?

I had a very simple task today that I needed help with. First let me explain my environment. We are on a Java/Hibernate/SEAM/Facelets/JSF/RichFaces & A4J setup.. and I don't know to much about it. ...
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0answers
15 views

SHA1 encryption for Minecraft client

I'm writing a client for Minecraft in Java. I have a lot of things working already, but the one thing that has really stumped me is how Minecraft does its authentication. I found this page ...
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6 views

Undo actions done prior to netbeans restart

Is there any way to enable undo for actions done, prior to Netbeans restart, after the netbeans is restarted ? Any plugin support for this would also do fine.
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2answers
46 views

Java: Calculations giving wrong answer, where is my mistake?

I can't seem to figure out why it's not printing correctly: public class test3 { public static void main(String[] args) { double[] gens = {100, 200.1, 9.3, 10}; double d0 = 0; double d1 ...
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15 views

library dependencies in maven. best practices

I'm writing testing library with my own junit runner. it extends BlockJUnit4ClassRunner which is available since 4.5 till... who knows. user of my library should be able to choose whatever junit ...
2
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1answer
24 views

Retrieving HashMap from TreeMap

I use following complex data structure. departures = new TreeMap<String, Map<String, Set<MyObject>>>(); arrivals=new HashMap<String, Set<MyObject>>(); flights=new ...

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