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JAVA QUESTIONS

I want to get full path when I'm accessing a file stored in .jar file. How to do this?
I want to get full path when I'm accessing a file stored in .jar file. How to do this?
this one helps. I'm new in java. I'm using eclipse to develop in java. I have a folder in project directory named "include", and in that folder, I've a file named "trial.jpg". I want to get the full path (with drive name, folder name and jar name aft
TAG : java
Date : November 20 2020, 01:01 AM , By : monsieurp
Updating my textArea whilst in a while loop
Updating my textArea whilst in a while loop
I hope this helps you . You need to respect Swing threading rules which to summarize too briefly means that all running tasks, such as waiting for and capturing your data, should be done in a background thread, and all Swing calls should be done on t
TAG : java
Date : November 20 2020, 01:01 AM , By : user2953314
Clear call notification on call receiver
Clear call notification on call receiver
will be helpful for those in need I have a receiver for incoming calls , i want to clear call notification when broadcast received , how should i do? , Cancel notification using a id
TAG : java
Date : November 20 2020, 01:01 AM , By : cs_student
Constructing an instance of EnumeratedDistribution in Scala
Constructing an instance of EnumeratedDistribution in Scala
hop of those help? Your problem comes from the Double type: java.lang.Double is expected while you use scala.Double.Simply try:
TAG : java
Date : November 20 2020, 01:01 AM , By : tremendo
How to change date in datepicker using Appium
How to change date in datepicker using Appium
Any of those help Instead of using the By.name i used By.className in order to change the month the day and the year. Here is my code:
TAG : java
Date : November 20 2020, 01:01 AM , By : pamorgan12
Unsure about performing a calculation with two variables
Unsure about performing a calculation with two variables
hop of those help? This is what I've gotten so far. After the exchange value is calculated at the end I wanted it to charge a commission on whether or not the user is an Account holder or not (asked at the start). Like if they aren't an account holde
TAG : java
Date : November 20 2020, 01:01 AM , By : Michael Kitain
Using Criterion 'OR' to narrow resultset
Using Criterion 'OR' to narrow resultset
Does that help I'm having trouble understanding how to implement the following query using Criterion: , You should use Restrictions.disjuntion(), try something like this
TAG : java
Date : November 20 2020, 01:01 AM , By : Mussadaq Sultan
SpringBoot 1.2 throws NoClassDefFoundError on shutdown
SpringBoot 1.2 throws NoClassDefFoundError on shutdown
should help you out , The lines ...
TAG : java
Date : November 20 2020, 01:01 AM , By : prudhvi pabbathi
How to display a string received with an intent?
How to display a string received with an intent?
seems to work fine I was about to go through the Training on developer.android.com, to learn how to pass an intent with an EXTRA (a string in this case) to another activity and display it in that second activity. From the Training I understood how to
TAG : java
Date : November 20 2020, 01:01 AM , By : user2953232
What type of algorithm does java's indexOf implement
What type of algorithm does java's indexOf implement
I think the issue was by ths following , ode uses the brute force algorithm to find the substring in a given string. That is, the approach runs in O(mn), where m and n are the length of the source and target strings.more info here and here
TAG : java
Date : November 20 2020, 01:01 AM , By : Hank Smith
Exchange of objects (or message) between AsyncTasks already started
Exchange of objects (or message) between AsyncTasks already started
should help you out Your approach has several problems that can prove to be hard to tackle:1) Mat objects are quite expensive in terms of memory and allocation time, so if you capture several frames per second and keep them in memory while the AsyncT
TAG : java
Date : November 20 2020, 01:01 AM , By : Rafnagud
java generics: can't create a simple print array method
java generics: can't create a simple print array method
this will help When it comes to generics, Java makes a difference between primitive types and types derived from java.lang.Object. Only non-primitive types can be used as arguments of generic methods. Since int is not generic, printArray does not app
TAG : java
Date : November 20 2020, 01:01 AM , By : user2953205
getClass().getName() returns null
getClass().getName() returns null
I wish did fix the issue. Skip the lazy initialization in initName! It is not thread-safe.Instead, initialize the ThreadLocal field directly (and also note the final):
TAG : java
Date : November 20 2020, 01:01 AM , By : user2953204
Java unwanted border on JPanel when drawing
Java unwanted border on JPanel when drawing
may help you . You need to call setResizeable(false) on your frame before you call pack(). Calling pack() will size the frame to fit its components. Making the frame non-resizeable afterwards will give it thinner borders, which will increase the amou
TAG : java
Date : November 20 2020, 01:01 AM , By : Rashed
How can I center Graphics.drawString() in Java?
How can I center Graphics.drawString() in Java?
Any of those help I used the answer on this question.The code I used looks something like this:
TAG : java
Date : November 20 2020, 01:01 AM , By : user2953184
Fatal Exception: java.lang.VerifyError: Coming from imported jar file
Fatal Exception: java.lang.VerifyError: Coming from imported jar file
it helps some times I think your JAR depends on Aerserv SDK but does not include it. And I don't see it being included in the app either. Please note that build dependencies of your JAR library will not automatically get included. Dependencies are an
TAG : java
Date : November 20 2020, 01:01 AM , By : Snowball
Maven Hangs Downloading Inside a Docker Container
Maven Hangs Downloading Inside a Docker Container
With these it helps UPDATE: Maven doesnt actually hangs, the build is completed successfully.But the runner doesnt communicate to the gitlab ci saying it made its work sucessfully due to a response error: 500.
TAG : java
Date : November 20 2020, 01:01 AM , By : user2953152
ArrayList of classes without having to create an instance of this class first
ArrayList of classes without having to create an instance of this class first
wish help you to fix your issue You need to create an instance of Person, since this is what your ArrayList expects. Here is how you can complete your task:
TAG : java
Date : November 20 2020, 01:01 AM , By : maltuna
While less than or not equal to won't terminate
While less than or not equal to won't terminate
seems to work fine I am programming a Pit scoring system and I have a piece of code that looks like this: , Consider your code:
TAG : java
Date : November 20 2020, 01:01 AM , By : Tobi
Java synchronized block unexpected behavior
Java synchronized block unexpected behavior
it should still fix some issue Quite simple: your a is not shared between any of your Experimenters; it is an instance variable, one per Experimenter. And the volatile is pretty much useless in this situation by the way.If you want a shared lock, mak
TAG : java
Date : November 20 2020, 01:01 AM , By : naybnet
Android Service+ counter not working
Android Service+ counter not working
should help you out Your onCreate is only used to init things, use @Override public int onStartCommand(Intent i, int flags , int startId){
TAG : java
Date : November 19 2020, 03:59 PM , By : user2953094
How to Replace the value in particular key in LinkedHashMap
How to Replace the value in particular key in LinkedHashMap
like below fixes the issue I want to replace the value in particular key in LinkedHashMap. , You put a new value for that key :
TAG : java
Date : November 19 2020, 03:59 PM , By : LazyButHappy
Getting a null value,where a value is expected
Getting a null value,where a value is expected
Any of those help I am trying to create a Login page using JSP.The first Jsp page collects the username and password, when login button is pressed the user is navigated to another JSP page.Here I want to display the username of the user.I wrote a cod
TAG : java
Date : November 19 2020, 03:59 PM , By : Matt Lipy
Error with JavaFX when aplying custom themes to ChoiceBox
Error with JavaFX when aplying custom themes to ChoiceBox
help you fix your problem When you open the FXML file on SceneBuilder, for AeroFX, win7.css doesn't contain the class choice-box, you see the default modena style applied. But the problem with AeroFX is it doen't have a customized ChoiceBox control,
TAG : java
Date : November 19 2020, 03:59 PM , By : user2953068
Retrieve resource from jasperserver repository using server java api
Retrieve resource from jasperserver repository using server java api
I wish this help you I'm trying to retrieve resource from Jasperserver repository using its java API, according to jasper report server ultimate guide, I should get an instance of the ExecutionContext interface:
TAG : java
Date : November 19 2020, 03:59 PM , By : SoWhat Gwe Dudutz
How to retrieve DMARC record of DNS using java api?
How to retrieve DMARC record of DNS using java api?
wish of those help I want to retrieve the DMARC related record of DNS. This has been implemented by this
TAG : java
Date : November 19 2020, 03:59 PM , By : ten.bv
Deploying Spring MVC web app .war file in tomcat in openshift results in blank page
Deploying Spring MVC web app .war file in tomcat in openshift results in blank page
wish of those help Finally I have solved the problem which was actually stated here. I have solved this with the help of this answer. And here is my implementation:I have added a listener-class in my web.xml:
TAG : java
Date : November 19 2020, 03:59 PM , By : user2953019
intern() string of query result
intern() string of query result
To fix the issue you can do A much better solution would be to use the number (int) for the first column. This should work:
TAG : java
Date : November 19 2020, 03:59 PM , By : Mohd Rashid
How can solve the UniqueFieldConstraintViolationException db4o
How can solve the UniqueFieldConstraintViolationException db4o
will be helpful for those in need The code run ok, but give me a Exception that I can't controlle, This is the console message: , I find the solution to catch the exception:
TAG : java
Date : November 19 2020, 03:59 PM , By : John
Android - Achieving line break in XML string with String.format()?
Android - Achieving line break in XML string with String.format()?
Does that help This is my xml string... , Try this for HTML string:
TAG : java
Date : November 19 2020, 03:59 PM , By : user2952957
Finding if a number is Fibonacci or not? In Java
Finding if a number is Fibonacci or not? In Java
wish helps you The actual answer is to change the int type to double while reading the value as
TAG : java
Date : November 19 2020, 03:59 PM , By : Lucian Milut
parse json structure from excel sheet into java
parse json structure from excel sheet into java
Does that help You can parse JSON into Java object in one line like this,http://wiki.fasterxml.com/JacksonInFiveMinutes
TAG : java
Date : November 19 2020, 03:59 PM , By : user2952909
FileChooser in JavaFX giving NullPointerException
FileChooser in JavaFX giving NullPointerException
may help you . It is too soon to open the file dialog in the initialize method of a JavaFX controller. When this method is called, the FXML node tree is still in loading + initialization phase, so it has not been attached to the Scene yet.So getScene
TAG : java
Date : November 19 2020, 03:59 PM , By : sethzgold
checking unique while inserting to mongoDB
checking unique while inserting to mongoDB
I hope this helps . You have two options to ensure the uniqueness of product_src: Store it as the documents _id. There is always a unique index constraint on _id Create a unique index on product_src
TAG : java
Date : November 19 2020, 03:59 PM , By : uzzi
Gwt reloading is getting called multiple times
Gwt reloading is getting called multiple times
With these it helps Window.Location.reload() reloads the webpage once, as intended. The issue is that your code is being executed everytime.If existedLoginId.equals(updatedLoginId) returns false, it will reload, then it will return false again, then
TAG : java
Date : November 19 2020, 03:59 PM , By : user2952886
Will mangoDb automatically store the date and time for each CRUD operations?
Will mangoDb automatically store the date and time for each CRUD operations?
I hope this helps you . No,it wont automatically store date and time for each CRUD operations, we need to manually do this.
TAG : java
Date : November 19 2020, 03:59 PM , By : Emac
Why can't I get a value from an ArrayList?
Why can't I get a value from an ArrayList?
will be helpful for those in need This is your code, completely working what you want. Read comments for changes/addition
TAG : java
Date : November 19 2020, 03:59 PM , By : Glen Greenwood
Generating 32 Bit dll JNI
Generating 32 Bit dll JNI
this one helps. just read it but i already found my error, the problem was that eclipses changes it's installed JRE's when you switch workspace.so in my testprogramm where i developed my 64bit libary worked. but not in the real project, where the ins
TAG : java
Date : November 19 2020, 03:59 PM , By : klanger
Select JVM when running spark job
Select JVM when running spark job
This might help you Ok, it seems using SPARK_YARN_USER_ENV is one of the ways to solve the issue. Also, it seems setExecutorEnv can be used for this, but I didn't try.
TAG : java
Date : November 19 2020, 03:59 PM , By : user2952839
The final local variable checkstate cannot be assigned, since it is defined in an enclosing type
The final local variable checkstate cannot be assigned, since it is defined in an enclosing type
should help you out I don't know want you meant to do with your code. It's a little fuzzy. As the Yazan said it's better to implement OnClickListener interface to avoid sending final to it's method. After that why everything is final? You must define
TAG : java
Date : November 19 2020, 03:59 PM , By : Grizix
Creating class file in a specified directory while using JavaCompiler's run method
Creating class file in a specified directory while using JavaCompiler's run method
Any of those help somewhere there should be a command execution for javac right there you need to add option -d which sets the output compiled class pathexample: javac -d C:\users\dac\classes MyProgram.java
TAG : java
Date : November 19 2020, 01:01 AM , By : user2952759
Java Vote Program Error
Java Vote Program Error
I hope this helps . I have written a code that tells you whether you are eligible to vote or not.. but when I compile it it shows an error or warning the message says: , Just compile your code via:
TAG : java
Date : November 19 2020, 01:01 AM , By : user2952750
How to use value from Seekbar value?
How to use value from Seekbar value?
like below fixes the issue First of all - your progress variable is member of SeekBar.OnSeekBarChangeListener anonymous inner class. You cannot access it directly without having reference to instance of this listener.Second of all - you do not need t
TAG : java
Date : November 19 2020, 01:01 AM , By : ivanc
How many characters can i print using System.out.println in java
How many characters can i print using System.out.println in java
To fix this issue Try this. You can go upto 255. After 255 all you can see for (char)i is ?
TAG : java
Date : November 19 2020, 01:01 AM , By : user2952725
ActiveJDBC & JDK8 streams
ActiveJDBC & JDK8 streams
will be helpful for those in need @jacub.petr, thanks for the pull request. We built and deployed the latest snapshot with your fix. Pull version 1.4.9-SNAPSHOT from https://oss.sonatype.org/content/repositories/snapshots/org/javalite/activejdbc/1.4.
TAG : java
Date : November 19 2020, 01:01 AM , By : user2952716
play action composition delegate to separate call
play action composition delegate to separate call
I wish did fix the issue. I am trying to use action composition in play to check the logged in user in each class methods, I can't find out how I can redirect the user to login screen if no session is present, , got it working with return F.Promise.p
TAG : java
Date : November 19 2020, 01:01 AM , By : Thin
Data not found on calculated field
Data not found on calculated field
With these it helps I have a problem with a calculated row and y still don't get it : , Solved, I don't know why but I changed this :
TAG : java
Date : November 19 2020, 01:01 AM , By : Rocco V Cerullo III
filter mp3 files from other media files using MediaStore & MediaMetadataRetriever?
filter mp3 files from other media files using MediaStore & MediaMetadataRetriever?
I wish this help you You can do it by below code which use MediaStore.Please add the external storage permission. android:name="android.permission.WRITE_EXTERNAL_STORAGE"The code is -
TAG : java
Date : November 19 2020, 01:01 AM , By : user2952672
Error using onClickListener (Intent)
Error using onClickListener (Intent)
help you fix your problem Well, I'm trying to create an intent on a "login.java" the code is : , Just a few lines to explain the reason why this does not work in:
TAG : java
Date : November 19 2020, 01:01 AM , By : Pacifico Cristovao J
Need to sync two tables from different databases in java
Need to sync two tables from different databases in java
will be helpful for those in need Usually to sync a table with in the network I can write a simple sql query and run it to sync the tables, but what if the source database is different(could be db2, mssql, mysql, oracle - from where I can get the dat
TAG : java
Date : November 19 2020, 01:01 AM , By : user9548
How to get a reference to the layout from within a custom TextView
How to get a reference to the layout from within a custom TextView
should help you out This is probably an easy question to answer, but searches were just turning up things like inflating and xml layouts, which isn't what I want. , This solution finally worked for me.From the main activity:
TAG : java
Date : November 19 2020, 01:01 AM , By : Santiago Lohigorry
MarkLogic - SPARQL from Java
MarkLogic - SPARQL from Java
around this issue Choose a toolkit (e.g. http://jena.apache.org/).Being a W3C standard, any client library should be able to work with any server. The level of compliance to the standards is rally quite high.
TAG : java
Date : November 19 2020, 01:01 AM , By : Joseph Convento
How to deliver multiple messages together to the Listener in ActiveMQ?
How to deliver multiple messages together to the Listener in ActiveMQ?
hope this fix your issue ActiveMQ is a JMS 1.1 client / broker implementation therefore there is no API to deliver messages in bulk, the async listener dispatches them one at a time. The client does prefetch more than one message though so the overhe
TAG : java
Date : November 19 2020, 01:01 AM , By : m s
Programatically add buttons that have no visible margins
Programatically add buttons that have no visible margins
may help you . You should add background color to the button or buttons while creating the buttons dynamically like this:
TAG : java
Date : November 19 2020, 01:01 AM , By : Divyaraj Bhandari
python client for SOAP-based RPC style web service
python client for SOAP-based RPC style web service
will help you I have a simple SOAP-based RPC style web service written in java.It has simple string method which is take string value from client and display.Client also written in java.But how can I write a python client to do the same thing?. , Got
TAG : java
Date : November 19 2020, 01:01 AM , By : kateWeirdo
Java Runtime Environment was not found at bin\javaw.exe
Java Runtime Environment was not found at bin\javaw.exe
I wish this help you While I was copying ODAC setup file to server, it didn't copied completely. The setup file is only 30 MB in server where as the original one is 290MB. Server is not copying big size files properly. So, I downloaded the component
TAG : java
Date : November 19 2020, 01:01 AM , By : jhon
winzipaes is slow to decrypt a 10 MB file on Android
winzipaes is slow to decrypt a 10 MB file on Android
Hope this helps Yes, there are ways to speed this up as the source code of winzipaes uses a rather inefficient way of decrypting: it decrypt each block by calculating the IV and initializing the cipher (for CTR mode decryption). This could mean that
TAG : java
Date : November 19 2020, 01:01 AM , By : Jiri
Hadoop - How to emit TwoDArrayWritable
Hadoop - How to emit TwoDArrayWritable
I think the issue was by ths following , The class you specify in the default constructor (in super) should be the class of the values, not of the overall class itself. So you probably want:
TAG : java
Date : November 19 2020, 01:01 AM , By : marcel
How to read index from hdfs in Lucene
How to read index from hdfs in Lucene
I think the issue was by ths following , Lucene does not support HDFS out of the box.You should be using HdfsDirectory or something like that, standard DirectoryReader simply won't work.
TAG : java
Date : November 19 2020, 01:01 AM , By : Jesper Petersen
how to mark True as true, False as false using Gson?
how to mark True as true, False as false using Gson?
like below fixes the issue You are doing it wrong. If your json string is the way you have given they you need to create another model class with user object and give it's class while serializing. Or do as I have done in following code. True or true
TAG : java
Date : November 19 2020, 01:01 AM , By : Simon Major

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