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JAVA QUESTIONS

The type org.openqa.selenium.firefox.FirefoxDriver is not accessible
The type org.openqa.selenium.firefox.FirefoxDriver is not accessible
To fix this issue To resolve this issue, create a new Java project with JRE syetm libraray (JavaSE 1.8) copy jar file and build path copy driver executables
TAG : java
Date : November 27 2020, 01:01 AM , By : Foxes
Limitations (drawbacks) of java programming language?
Limitations (drawbacks) of java programming language?
Hope this helps Java is OO programming language. Within that realm, considering static typing, there aren't much limitations. Java works well. At present JVM does not do tail call optimization, which can be considered a limitation. But that is limita
TAG : java
Date : November 27 2020, 01:01 AM , By : Axel
Error: ')' expected Error: illegal start of expression
Error: ')' expected Error: illegal start of expression
I hope this helps . When you are calling the method , you have to only pass the values , type declaration is not allowed while method calling.
TAG : java
Date : November 27 2020, 01:01 AM , By : Winred
TableRowSorter use LookAndFeel of TableHeader, but own Comparator
TableRowSorter use LookAndFeel of TableHeader, but own Comparator
To fix this issue Whatever your problem is exactly (hard to tell from your description), you are doing the sorting incorrectly: in Swing JTable the sorting is considered the responsibility of the view (vs. the model as in your implementation).Custom
TAG : java
Date : November 27 2020, 01:01 AM , By : Fot
Difference between @GeneratedValue and @GenericGenerator
Difference between @GeneratedValue and @GenericGenerator
I hope this helps you . When using an ORM it is often necessary to generate a primary key value.The @GeneratedValue annotation denotes that a value for a column, which must be annotated with @Id is generated. The elements strategy and generator on th
TAG : java
Date : November 27 2020, 01:01 AM , By : Hoài Ân
Design Scenario: Smartphone class and will have derived classes like IPhone,AndroidPhone,WindowsMobilePhone can be even
Design Scenario: Smartphone class and will have derived classes like IPhone,AndroidPhone,WindowsMobilePhone can be even
help you fix your problem This is one of the Java designing question I found on the internet. I tried to solve the question as per my object oriented knowledge. , Your design seems to be fine.I would suggest:
TAG : java
Date : November 27 2020, 01:01 AM , By : SDR
Java date parsing without separators?
Java date parsing without separators?
should help you out In my program i am parsing a string date(frmDateStr) with separators as below and getting fromDate which I use for my further comparisons. , Use this code, it will help
TAG : java
Date : November 27 2020, 01:01 AM , By : Jason Carmona
how to map an array of custom type from postgres to java using hibernate
how to map an array of custom type from postgres to java using hibernate
help you fix your problem Had the same error, and I fixed it by upgrading PostgreSQL JDBC from 9.2-1002-jdbc4 to 9.4-1201-jdbc41
TAG : java
Date : November 27 2020, 01:01 AM , By : shez1983
Why hibernate always call "update" statement after using "select" statement in MySQL?
Why hibernate always call "update" statement after using "select" statement in MySQL?
To fix this issue Most probably, one of the properties of your entity does not return the exact same value that is set by hibernate after loading. Do you have some if statements like null handling or anything like this in a getter or setter?
TAG : java
Date : November 27 2020, 01:01 AM , By : Andrew Elliott
An interview topic: What can go wrong with this code?
An interview topic: What can go wrong with this code?
Hope this helps A simple Calculator class that's wired up as a Spring bean in a web application: , Multi threading problems. By default Spring beans are singletons.
TAG : java
Date : November 27 2020, 01:01 AM , By : Abresch
How do I regex remove whitespace and newlines from a text, except for when they are in a json's string?
How do I regex remove whitespace and newlines from a text, except for when they are in a json's string?
will be helpful for those in need You need to arrange to ignore whitespace when it appears within quotes,. So as suggested by one of the commenters:
TAG : java
Date : November 27 2020, 01:01 AM , By : Shakiul Karim
How to turn off Preferences > Compiles > User External Build?
How to turn off Preferences > Compiles > User External Build?
wish of those help This option has been removed since Android-Studio 0.2.1. i.e. you cannot deactivate external build anymore.Here are the related release notes: http://tools.android.com/recent/androidstudio021released
TAG : java
Date : November 27 2020, 01:01 AM , By : YoViajo
how to convert arraylist to string array with all items in double quote
how to convert arraylist to string array with all items in double quote
I hope this helps . Here is the modified function.You can use backslash("\") to put quotes.public String GetName() {
TAG : java
Date : November 27 2020, 01:01 AM , By : adonis de Lara
PMD+Maven+JAVA Error:: Can't find resource rulesets/comments.xml. Make sure the resource is a valid file or URL or is on
PMD+Maven+JAVA Error:: Can't find resource rulesets/comments.xml. Make sure the resource is a valid file or URL or is on
will be helpful for those in need The plugin only understands absolute paths. Try an absolute path and it should work. See the documentation.In order to make it independent from the local file system layout, use ${basedir} to refer to your local path
TAG : java
Date : November 27 2020, 01:01 AM , By : Christian
How to extend AbstractScheduledService.Scheduler
How to extend AbstractScheduledService.Scheduler
it should still fix some issue REVISEDThe Scheduler class has a private constructor, which means that you cannot extend it without modifying the Guava library code.
TAG : java
Date : November 27 2020, 01:01 AM , By : David van Zuijlekom
Primefaces tabview: set Active Index after some counting
Primefaces tabview: set Active Index after some counting
I think the issue was by ths following , I've got a tab view that contains four tabs and three commandButtons(count,add to Table, export to Word) over them. , This is a way to get it:// View
TAG : java
Date : November 27 2020, 01:01 AM , By : Angel Alvarez
Need help in Regex to exclude splitting string within "
Need help in Regex to exclude splitting string within "
help you fix your problem Resurrecting this question because it had a simple regex solution that wasn't mentioned. This situation sounds very similar to ["regex-match a pattern unless..."][4]
TAG : java
Date : November 27 2020, 01:01 AM , By : Equaldog
Get header from HttpUrlConnection object
Get header from HttpUrlConnection object
To fix the issue you can do Make sure you are getting the successful response before you try to fetch the headers. This is how you can check for your response:
TAG : java
Date : November 27 2020, 01:01 AM , By : Offler
encoding xlsx as base64 and send it as an attachment
encoding xlsx as base64 and send it as an attachment
hope this fix your issue Okay - my guess is that you're not changing the mimetype etc features of the email you're creating for the attachment ( and that it's default is text/html ).Take a look here - which is for a word doc instead - but outlines wh
TAG : java
Date : November 27 2020, 01:01 AM , By : mustafamuratcoskun
How to acess HttpServletRequest in Jaas login module in Tomcat
How to acess HttpServletRequest in Jaas login module in Tomcat
wish help you to fix your issue We have a task to certify our application in Tomcat7 which is already certified and running in Websphere. , In Jboss, it can be get through:
TAG : java
Date : November 27 2020, 01:01 AM , By : Andrew Cope
How to implement a basic pointer
How to implement a basic pointer
hop of those help? Java is pass by value, so a copy of the parameter a is sent to the method, so modification to a in the method will not affect the original argument a in mainThe max you can do is return int from KillOver21(a) method
TAG : java
Date : November 27 2020, 01:01 AM , By : Abolfazl Vaysi
Java Swing Exit Icon?
Java Swing Exit Icon?
hope this fix your issue Minimize, maximize/restore and close buttons are bound to the frame decoration used.If you are using a frame decorated by system (for example some Aero frame in Windows 7) - you cannot modify those buttons since the whole fra
TAG : java
Date : November 27 2020, 01:01 AM , By : Luca Fornaciari
Why onNext has no effect
Why onNext has no effect
wish of those help The reason your onNext doesn't get executed has to do with the fact that Schedulers.io() uses daemon threads. This means that they do not keep the JVM running if no other threads are active.Simply put since your main function ends
TAG : java
Date : November 26 2020, 01:01 AM , By : Marlin Lachance
IntelliJ Idea 2018.2 no option for importing gradle project
IntelliJ Idea 2018.2 no option for importing gradle project
I hope this helps . I did not enable the gradle plugin. I assumed that having it installed automatically enabled it, which was a poor assumption. Below is what an enabled plugin looks like:
TAG : java
Date : November 26 2020, 01:01 AM , By : Michael S
Remove a negative element from an array w/o array.copy
Remove a negative element from an array w/o array.copy
I wish this helpful for you If you simply want to remove all the negative elements in the Array you can do:
TAG : java
Date : November 26 2020, 01:01 AM , By : K. Moore
Could this prevent overflow in Java?
Could this prevent overflow in Java?
it should still fix some issue In Java, longs are always 64-bit quantities. When arithmetic is performed with two quantities of differing widths, Java's specification says that the arithmetic is done with the larger datatype.Thus, by casting pos to a
TAG : java
Date : November 26 2020, 01:01 AM , By : Shad0wMoon
In Java Swing, can I receive Caret events in real time?
In Java Swing, can I receive Caret events in real time?
With these it helps There is, unfortunately, no selection model for JTextArea, otherwise this would have being really easy...Instead, I was forced to add a ChangeListener to the Caret of each text area. This allowed me to see when the caret position
TAG : java
Date : November 26 2020, 01:01 AM , By : Nelma Ribeiro
I need help not using brute force when using JFrames and DrawWindows
I need help not using brute force when using JFrames and DrawWindows
help you fix your problem The basic problem you're having is the fact that the JFrame is using a BorderLayout, which, by default, will only allow a single component to occupy each of it's five possible layout positions. This means, when you add a new
TAG : java
Date : November 26 2020, 01:01 AM , By : Andrea Botrugno
How do I refactor ArrayList<MyClass> into MyClassLIst?
How do I refactor ArrayList<MyClass> into MyClassLIst?
I hope this helps you . I have a project in Eclipse (Kepler), and I am using using the following in a quite few places
TAG : java
Date : November 26 2020, 01:01 AM , By : z0mbie42
My program keeps saying that the method cannot be resolved
My program keeps saying that the method cannot be resolved
this will help A few things to try.It looks like your ReadFiles class is not being compiled.
TAG : java
Date : November 26 2020, 01:01 AM , By : funkysh't
BubbleSort -my code returns random addresses
BubbleSort -my code returns random addresses
I wish this helpful for you That's not a random address. That's the toString representation of an int[]:
TAG : java
Date : November 26 2020, 01:01 AM , By : Prasanna Joshi
JavaFX components inside HTML?
JavaFX components inside HTML?
this will help Yes it is possible.take a look at "Deployment in the Browser": http://docs.oracle.com/javafx/2/deployment/deployment_toolkit.htm
TAG : java
Date : November 26 2020, 01:01 AM , By : Fruckley
Character in Java game not responding
Character in Java game not responding
may help you . I have been following Java Game Tutorials and go stuck on one, that one is here: http://www.youtube.com/watch?v=RolMRqekV3olist=PL6E90696571998DC2 I have an issue where my character does not respond to the arrow keys. If you could help
TAG : java
Date : November 26 2020, 01:01 AM , By : Vishal Shah
Working around access denied in a FileWalking Tree in Java7
Working around access denied in a FileWalking Tree in Java7
I wish this help you If you are traversing the whole directory System and there is a situation where you got some type of Exception like AccessDeniedException and you want skip that file so that you could check the other file you need to override the
TAG : java
Date : November 26 2020, 01:01 AM , By : skyblue310
How to avoid if/else when using multple suppliers?
How to avoid if/else when using multple suppliers?
I wish did fix the issue. Is there a way to avoid using if/else statements when data can queried from multiple locations and should be returned on first non null instance? , What about:
TAG : java
Date : November 26 2020, 01:01 AM , By : Haytham Mohtasseb
How to pass object from table cell editor to Table Model?
How to pass object from table cell editor to Table Model?
To fix the issue you can do How can I hold the object from TableCellEditor class and pass it to setValueAt() when JTable automatically trigger to put the cell value to table model?As discussed here, you should not: "The table's editingStopped() metho
TAG : java
Date : November 26 2020, 01:01 AM , By : Paul Adams
Paypal Sandbox payment state pending
Paypal Sandbox payment state pending
seems to work fine Under http://developer.paypal.com, Application tab, find out the email associated to the REST app. Now click on "Sandbox accounts", Click on the REST app email, click on "Profile" link. Select "Setting" tab, and turn off "Payment r
TAG : java
Date : November 26 2020, 01:01 AM , By : Mateusz Michalak
sejda-console.bat passing parameters with spaces
sejda-console.bat passing parameters with spaces
fixed the issue. Will look into that further I am using sejda-console.bat and I am running into difficulties with parameters when there is a space involved. , I think you should use quotes for the -o option as well:
TAG : java
Date : November 26 2020, 01:01 AM , By : Jeff Garcia Samson
Multiple Consumers Spring Kafka
Multiple Consumers Spring Kafka
may help you . Check out this answer for an understanding of Kafka consumers In Apache Kafka why can39;t there be more consumer instances than partitions? To properly distribute messages amongst a single consumer group you must have more than one par
TAG : java
Date : November 25 2020, 07:27 PM , By : Danu Kuncoro Aji
Bitbucket pipeline: environmental variables in build.gradle file not recognized
Bitbucket pipeline: environmental variables in build.gradle file not recognized
this will help I suppose you mess environment variables with gradle properties. If you mean environment variables, then you refer them with:
TAG : java
Date : November 25 2020, 07:27 PM , By : lejano
Java static enum method to return a default enum value
Java static enum method to return a default enum value
may help you . default is a reserved word in Java, used to provide the default implementation of an interface. Just use a name that isn't a reversed word, such as defaultValue and you should be fine:
TAG : java
Date : November 25 2020, 07:27 PM , By : cherish
What is the complexity of empty for loop?
What is the complexity of empty for loop?
will be helpful for those in need If it won't get optimized out by the compiler, the complexity will still be O(n^2) (or actually O(N*M)) - even though the loops bodies are empty, the condition checks and incrementation of both counters are still val
TAG : java
Date : November 25 2020, 07:27 PM , By : Yusin Kim
Group randomly List of Lists as N subsets with K elements in each
Group randomly List of Lists as N subsets with K elements in each
wish of those help I have the following list of lists List , What should be the basic algorithm????
TAG : java
Date : November 25 2020, 07:27 PM , By : Sancho de Mascarenha
How to set texture on a shape drawn by glDrawArrays()?
How to set texture on a shape drawn by glDrawArrays()?
like below fixes the issue Well you need to create an array for the Texture Coordinates too.At the "... DATA ..." you need to add your U, V coordinates. All Vertices have a U, V coordinate. So the tex_coord_size is basically 2 * vertices_count.
TAG : java
Date : November 25 2020, 07:27 PM , By : Bartosz Zaczyński
How to make a jlabel resizable according to the window
How to make a jlabel resizable according to the window
I wish did fix the issue. First stop using visual designer. Stop now. Immediately. Forget that it exists. Visual designers create non-maintainable code. They save 5 minutes at the beginning and cause you to spend hours later. Now, take a look on any
TAG : java
Date : November 25 2020, 07:27 PM , By : Hari Raj Thami
Java Mathematical Expression Syntax
Java Mathematical Expression Syntax
To fix this issue I dont have experience with Java math expression. I'm trying to calulate distance between two locations using the below java expression but my application is give the below error message , Here's a function that will calculate dista
TAG : java
Date : November 25 2020, 07:27 PM , By : manuel
assigning values to characters in java
assigning values to characters in java
Any of those help i have sequence like A C T G - - C A G T G - - C A and i stored in a text file. if there is - in file i want to assign value 0 and show 0 instead of i and same for G,A,T,C to 1,2,3,4 , You can use String's replace() instance method.
TAG : java
Date : November 25 2020, 07:27 PM , By : Gulraizali Awais
Method overriding and Inheritance in java
Method overriding and Inheritance in java
it fixes the issue When the code of constructor A is being executed, it can only see the method m in class A since non static members hasn't been initialized yet for class B (according to the order I mentioned).
TAG : java
Date : November 25 2020, 07:27 PM , By : Erik Junghanns
given a set of lists/groups with a series of number, find matching numbers
given a set of lists/groups with a series of number, find matching numbers
Hope that helps One of the more efficient ways to determine if a set of items contains a duplicate element is to use a HashSet. Go through all the elements and add them to the HashSet, but just before adding an element check if the HashSet already co
TAG : java
Date : November 25 2020, 07:27 PM , By : Max Reidel
Connection to HID USB device (keyboard and mouse) in android
Connection to HID USB device (keyboard and mouse) in android
I think the issue was by ths following , Have you looked at Android Open Access Protocol yet? In the section titled HID Support: The AOA 2.0 protocol adds four new USB control requests to allow the accessory to act as one or more HID input devices to
TAG : java
Date : November 25 2020, 07:27 PM , By : Hampus Svensson
Inject HttpServletRequest in CDI SessionScoped bean
Inject HttpServletRequest in CDI SessionScoped bean
Hope that helps As per your comment, you want access to the user principal. You can just inject it like this: @Inject Principal principal; or @Resource Principal principal;, see Java EE 6 Tutorial.Update
TAG : java
Date : November 25 2020, 07:27 PM , By : Guru
Pool game in java - ball collision algorithm
Pool game in java - ball collision algorithm
I hope this helps . The answer actually belongs to Physics(Collision dynamics) rather than Computer Science. There are mainly two types of collisions - elastic and inelastic. To simulate a real world scenario, you should implement the inelastic rules
TAG : java
Date : November 25 2020, 07:27 PM , By : Eduardo Samoggin
Focus ScrollView to selected position programmatically - Android
Focus ScrollView to selected position programmatically - Android
This might help you I have a ScrollView with a lot buttons. Each button is enabled when the user unlocks that button/level. I would like to focus the ScrollView on the latest unlocked button/level. See the screenshot below. , I think this should be g
TAG : java
Date : November 25 2020, 07:27 PM , By : Lisa Mellegård
Is it hibernate bug?
Is it hibernate bug?
seems to work fine The syntax of IN requires the brackets. As of why the 3rd example is working, two guesses:
TAG : java
Date : November 25 2020, 07:27 PM , By : Nít Quỷ
Glib memory allocation error
Glib memory allocation error
Any of those help The source code clearly states:
TAG : java
Date : November 25 2020, 07:27 PM , By : UseStrict
Android Proguard - step by step
Android Proguard - step by step
this one helps. One of your libraries contains copies of org.xmlpull.v1 classes, even though those are already present in the Android runtime. You should remove those classes from the libraries. The versions in the Android runtime would get precedenc
TAG : java
Date : November 25 2020, 07:27 PM , By : Filip Johansson
Setting the pivot point of a JPanel to its center
Setting the pivot point of a JPanel to its center
hope this fix your issue If I understand the problem statement, all such pairs of circles will lie on opposite sides of a circle centered in the enclosing panel, as shown here. Simply choose a random 0 ≤ θ < π and find its opposite at π - θ. Note how
TAG : java
Date : November 25 2020, 07:27 PM , By : trinath reddy
java check time is greater time
java check time is greater time
help you fix your problem Hi I'm trying to check if the currentime is > , say, 14:00. Does anyone know how to do this? , Try below code, it should work.
TAG : java
Date : November 25 2020, 07:27 PM , By : Varun Sekhar
how to save a screenshot (matlab)
how to save a screenshot (matlab)
fixed the issue. Will look into that further I am trying to save a screenshot in a specific directory using Matlab. I am able to generate the screenshot but I find no solution to save it in a specific directory. I have tried save and saveas but get e
TAG : java
Date : November 25 2020, 07:27 PM , By : Momcilo Jocic
Anti-aliasing filled shapes in libgdx
Anti-aliasing filled shapes in libgdx
this one helps. maybe this link will help: MULTI SAMPLING ANTI-ALASING IN LIBGDX ON ANDROIDin general you have to enable multisampling to have edges of filled shapes smooth.
TAG : java
Date : November 25 2020, 07:27 PM , By : Sikandar Mma

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