logo
down
shadow

JAVA QUESTIONS

what components do exist in any java class?
what components do exist in any java class?
wish of those help I think this is everything that every Java class has: A class name. A class access ... implicitly package private, if you don't specify one. A package ... implicitly the default package, if you don't specify one. A superclass ... i
TAG : java
Date : November 13 2020, 03:01 PM , By : Ryan
How to declare raw types in Kotlin?
How to declare raw types in Kotlin?
I hope this helps . You can use star projectionse.g.
TAG : java
Date : November 13 2020, 03:01 PM , By : Kartik
A code to wait for certain number of minutes to check if condition is true
A code to wait for certain number of minutes to check if condition is true
will be helpful for those in need I think a Timer is what you need in order to achieve that.Here's a reference that might help you set it up: How to set Timer in Java
TAG : java
Date : November 13 2020, 03:01 PM , By : L.Lang
Outputting the day period based on locale
Outputting the day period based on locale
This might help you There are only two libraries which support day periods, namely ICU4J (partially incorporated in Android) and my lib Time4A. Other formatters like java.text.DateFormat or java.time.format.DateTimeFormatter have no support.Example i
TAG : java
Date : November 12 2020, 03:00 PM , By : user2171788
Why does Java try to reserve max space from heap
Why does Java try to reserve max space from heap
it should still fix some issue The amount of memory that you mention as "maximum" needs to be available (even if it is not reserved at the beginning - you can see that e.g. in jvisualvm). For some reason, most of your physical memory is not available
TAG : java
Date : November 12 2020, 03:00 PM , By : edguy2014
Get Web Elements that are not named, by their proximity to known elements
Get Web Elements that are not named, by their proximity to known elements
like below fixes the issue Just because I'm more familiar with it, I would use a CSS Selector here. Assuming that the order of the lists doesn't change, and the lists of interest are inside that div, the CSS selector for the first list would be:
TAG : java
Date : November 12 2020, 03:00 PM , By : shachi11
Convert JSON response into 2D String Array
Convert JSON response into 2D String Array
I wish this help you Parse your JSON string into a JSONArray, then iterate over it and populate a given row in a 2D array of strings.
TAG : java
Date : November 12 2020, 03:00 PM , By : WeShal
SocketTimeoutException unhandled by RxJava
SocketTimeoutException unhandled by RxJava
I hope this helps you . These kinds of crashes are caused when an exception is thrown outside of the RxJava lifecycle. This means your exception can be caused by either of these options: Going by the retrofit sourcecode, there might be a race conditi
TAG : java
Date : November 12 2020, 03:00 PM , By : Eyal
NoHttpResponseException thrown as runtime exception even though is a checked exception
NoHttpResponseException thrown as runtime exception even though is a checked exception
around this issue My guess is that you're the victim of stack trace formatting.I think you're right when you finger lastReset() as the culprit. This is where you see throws IOException disappear from the stack trace. This method is clearly throwing a
TAG : java
Date : November 12 2020, 03:00 PM , By : Francesco Contino
Bigdecimal Not giving exact output in Java
Bigdecimal Not giving exact output in Java
Any of those help The problem is your use of new BigDecimal(100.05). The value of a is then 100.0499999999999971578290569595992565155029296875.If you had specified that value as a string instead, all would be well:
TAG : java
Date : November 12 2020, 03:00 PM , By : yuting
How to return list for mock in groovy spock test
How to return list for mock in groovy spock test
should help you out I have a problem with returning list of desired objects from Spock Groovy mocked interface: , You can try moving stubbing part to interaction check phase, e.g.
TAG : java
Date : November 12 2020, 03:00 PM , By : WaldenShen
Java Stream Collectors.toList() wont compile
Java Stream Collectors.toList() wont compile
hope this fix your issue IntStream doesn't have a collect method that accepts a Collector. If you want a List, you have to box the IntStream into a Stream:
TAG : java
Date : November 12 2020, 03:00 PM , By : Auntidrs Olin
Constructor not working when using Integer arrays
Constructor not working when using Integer arrays
it helps some times So I'm trying to create a simple program that an object that has an Integer Array as it's member and a method toString() that prints out all the elements in the Array. The code look like this: , You should initialize array in Inte
TAG : java
Date : November 12 2020, 03:00 PM , By : eyeglasses
how to subscribe a list of phone numbers to a aws-sns topic
how to subscribe a list of phone numbers to a aws-sns topic
This might help you Currently, you cannot pass a list of phone numbers as an endpoint when you create subscription for a SNS Topic. Each subscription can have only ONE phone number as an endpoint.For emails, we can just provide the group email-id, an
TAG : java
Date : November 12 2020, 03:00 PM , By : behzad mirzaei
Pausing one onClickListener while pressing another button
Pausing one onClickListener while pressing another button
this will help Just enable/disable knowAnswerButton view, so you will not need to keep a flag saving the state. To do that, just use button.setEnabled(boolean) method.Notice that while button is not enabled (setEnabled(false)), user cannot click that
TAG : java
Date : November 12 2020, 03:00 PM , By : Kurt Miller
how to use Mongodb Single instance with multiple dbs in spring-boot
how to use Mongodb Single instance with multiple dbs in spring-boot
With these it helps Your sample doesn't work because getMongoClient() invokes only once during startup, but you need to change it in runtime based on active tenant. It's pretty straightforward to implement dedicated MongoDbFactory for multi-tenancy b
TAG : java
Date : November 12 2020, 03:00 PM , By : Ed. Li
Printing to file rather than terminal
Printing to file rather than terminal
may help you . It is really simple: right now, you are using a (static) object System.out to do all printing. This object has methods to print, println, and so on.Instead of using System.out, you create an instance of say PrintWriter and call method
TAG : java
Date : November 12 2020, 03:00 PM , By : Hellowei
JUnit5 Gradle plugin the filename or extension is too long
JUnit5 Gradle plugin the filename or extension is too long
may help you . GRADLE 4.6 SUPPORTS JUNIT 5! Remember that vintage engine need to be same version as the jupiter now Edited: 16/03/2018
TAG : java
Date : November 12 2020, 03:00 PM , By : Ethan.Y
java.lang.UnsupportedClassVersionError on AIX
java.lang.UnsupportedClassVersionError on AIX
Does that help As already pointed out in the comments.. java runtime being picked up is lower than your compiled jdk version. (difficult to point to the exact reason why it is being picked from the info given above). What you could do is provide the
TAG : java
Date : November 11 2020, 03:01 PM , By : Bakhodir Radjabov
How I can select data from Firebase Database with data in level 3 on Android?
How I can select data from Firebase Database with data in level 3 on Android?
Any of those help How I can select key of “Notifications” with value “Show Again” if true? , All you have to do is access child of object like this.!
TAG : java
Date : November 11 2020, 03:01 PM , By : Marlan Meek
adyen HPP integration
adyen HPP integration
like below fixes the issue The URIBuilder already URL-encodes the parameters for you by default. The implementation you posted encodes your parameters twice, causing parameters such as your merchantReference to be different from the signing string th
TAG : java
Date : November 11 2020, 03:01 PM , By : Tech Mania
Collect List into a Map<Object1 , Map<Object2, Object3>> in Java 8
Collect List into a Map<Object1 , Map<Object2, Object3>> in Java 8
Hope this helps I want to iterate a list of objects. Each of object contains some variables of objects. More specifically:
TAG : java
Date : November 11 2020, 03:01 PM , By : Ajay Nigam
How to start OSGI-INF blueprint
How to start OSGI-INF blueprint
help you fix your problem An OSGi bundle is kind of a plugin that you run inside an OSGi container (JBoss Fuse, Apache Karaf, Eclipse Equinox, ...). So you don't need a main method.When you build an OSGi bundle with maven, specify bundle and add
TAG : java
Date : November 11 2020, 03:01 PM , By : Hon
Libgdx loading blender model, transparency incorrect
Libgdx loading blender model, transparency incorrect
around this issue Holy mackerel, it was the texture file... it was 1024x1024 png... but somehow corruptet... once opened and resaved and all works.... countless hours and this is the only thing I've not checked... for the help guys! –
TAG : java
Date : November 11 2020, 03:01 PM , By : Sourabh Chandrivansh
Unit test - relative path causing test to fail?
Unit test - relative path causing test to fail?
wish help you to fix your issue Assuming person1Stub.json is on your classpath when you run the test from your build system, does the following works:
TAG : java
Date : November 11 2020, 03:01 PM , By : Kent Ansing
Why BeanUtils.copyProperties throw IllegalArgument Exception?
Why BeanUtils.copyProperties throw IllegalArgument Exception?
hope this fix your issue Read the API and you get the answer to your question:https://commons.apache.org/proper/commons-beanutils/javadocs/v1.9.3/apidocs/org/apache/commons/beanutils/BeanUtils.html
TAG : java
Date : November 11 2020, 03:01 PM , By : Hari
Java: BigDecimal for money and working with cents
Java: BigDecimal for money and working with cents
like below fixes the issue I need to do some fee calculator. One suggested me two things: , These are alternatives. You should use BigDecimal, in dollars.
TAG : java
Date : November 11 2020, 03:01 PM , By : APaul
looking for a sample with Angular 4 and more one spring boot application
looking for a sample with Angular 4 and more one spring boot application
fixed the issue. Will look into that further You could try to move from the stateful (with the session on the server-side) to the stateless architecture. In this case, authentication might be implemented using JSON Web Tokens.
TAG : java
Date : November 11 2020, 03:01 PM , By : php4 dotmark
Write text and tables in to word, with whitespaces/enters
Write text and tables in to word, with whitespaces/enters
should help you out I had the same problem a couple of days ago. did you create 2 diffrent runs for the paragraphs and the tables?Because I did, and when I changed it to 1 run it did work for me.
TAG : java
Date : November 11 2020, 03:01 PM , By : tesla
Jsoup always returns null
Jsoup always returns null
will be helpful for those in need Your code works..If you place your html input into a String variable like this :
TAG : java
Date : November 11 2020, 03:01 PM , By : Kashyap
Using Array to fetch multiple URL via HTTPGET in java
Using Array to fetch multiple URL via HTTPGET in java
around this issue remove the ; at the end of the for loop, because if it stays there, then the forloop doesn't loop, because the block is already closed. That's why i cannot be found outside of the block (your try-catch).
TAG : java
Date : November 11 2020, 03:01 PM , By : dfrhh
How to insert CLOB to Oracle using Spring Data
How to insert CLOB to Oracle using Spring Data
To fix the issue you can do Problem is resolved. I used java.sql.Clob to wrap that column. I replaced ByteArrayXmlAdapter with ClobXmlAdapter (that was needed to correctly marshal object). For creating CLOB I have used NonContextualLobCreator, and, f
TAG : java
Date : November 11 2020, 03:01 PM , By : user7452553
Add watermark to pdf java iText
Add watermark to pdf java iText
I hope this helps you . You say you already have examples for applying watermarks using iText. As you already have a PDF, you should use code from an example that adds watermarks to existing PDFs. This should be an example that works with a PdfReader
TAG : java
Date : November 11 2020, 03:01 PM , By : Wayne Hill
How to call a method on a generic type variable
How to call a method on a generic type variable
wish help you to fix your issue Your can defined the methods to be exposed by the generic type into an interface:
TAG : java
Date : November 11 2020, 03:01 PM , By : Armen Osipyan
Serializing a field as json
Serializing a field as json
Hope that helps When you are using Jackson in a Spring context, you can make use of the @JsonSerialize-AnnotationAssuming you have the Classes from your question, then you can put the above mentioned annotation on your getter:
TAG : java
Date : November 10 2020, 03:01 PM , By : jiii
ClassNotFoundException: org.apache.log4j.Logger
ClassNotFoundException: org.apache.log4j.Logger
fixed the issue. Will look into that further You have to include the interested dependencies in your jar. Take a look to this Including dependencies in a jar with Maven or this How can I create an executable JAR with dependencies using Maven?
TAG : java
Date : November 10 2020, 03:01 PM , By : Eason
Android Google Login - Developer Error
Android Google Login - Developer Error
like below fixes the issue Make sure your sha is valid. Note that debug and release builds should be signed with different keys, so you actually need to provide 2 sha chekcksums. Also, look here: https://support.google.com/googleplay/android-develope
TAG : java
Date : November 10 2020, 03:01 PM , By : gingConX86
How to refresh the Jcombobox each selection?
How to refresh the Jcombobox each selection?
like below fixes the issue , You never remove the first pop created, so it hides the other ones.
TAG : java
Date : November 10 2020, 03:01 PM , By : Sang
Mock object to run different void method
Mock object to run different void method
I wish did fix the issue. I think you are looking for intercepting the original call and rerouting it to a different implementation. Have a look at this answer for an explanation how to do it.
TAG : java
Date : November 10 2020, 03:01 PM , By : J. Doe
Item removed from ArrayList, but notifyDataSetChanged() only deletes the bottom item
Item removed from ArrayList, but notifyDataSetChanged() only deletes the bottom item
I hope this helps you . I have a recycler view, with an ArrayList from custom objects. Each row has a delete button, when clicked the item is deleted from the recyclerview. Now the delete button works, and deletes the correct item from the arraylist,
TAG : java
Date : November 10 2020, 03:01 PM , By : rajeshwar singh
How to create a Java Class while Tomcat startup?
How to create a Java Class while Tomcat startup?
I think the issue was by ths following , You can create a class implementing ServletContextListenerOnce registered this class will allow you to invoke the desired constructor.
TAG : java
Date : November 10 2020, 03:01 PM , By : Joshua Adam Blondeau
Use condition in a specific row of a list in a list adapter in android
Use condition in a specific row of a list in a list adapter in android
This might help you If view is recycled (which means convertView is not null), ImageView will not gone. So add else statement to make ImageView gone.
TAG : java
Date : November 10 2020, 03:01 PM , By : ffz
Confirm text box is disabled
Confirm text box is disabled
fixed the issue. Will look into that further Tried to find but without success (at least for my case). Namely, I have to confirm for a textbox field that is non-editable. Data is already written (actually, username) and must not be changed by user (s
TAG : java
Date : November 10 2020, 03:01 PM , By : ldctqq
I dont get the expected output from my java application
I dont get the expected output from my java application
hop of those help? Your sum is always zero, that's why you always get negative values.I suppose you intended to do something like this:
TAG : java
Date : November 10 2020, 03:01 PM , By : asd123cqp
How to find max value(not key) in an AVL tree?
How to find max value(not key) in an AVL tree?
like below fixes the issue Your recursive findMax method is incorrect. You are assigning result = node; but this is only local assignment not updating result when calling findMax(node.left,result); and findMax(node.right,result); . This should work:
TAG : java
Date : November 10 2020, 03:01 PM , By : Alexis Anand
Array boolean input not working
Array boolean input not working
it helps some times nextBoolean() expects either true or false in input.If you want to input a boolean numerically, you can try nextInt() != 0 — this will be false for 0 and true for other values.
TAG : java
Date : November 10 2020, 03:01 PM , By : Fargesia
java find and replace %
java find and replace %
this one helps. In java 1.8.0 I am trying to replace %, but it is not matching , It's working. You need re-assign to str
TAG : java
Date : November 10 2020, 03:01 PM , By : Matthew H-M
Run Java ScheduledExecutorService in the background
Run Java ScheduledExecutorService in the background
I wish did fix the issue. On linux, you can avoid the 'closing terminal kills process' problem by using the screen command. This detaches the process from being affected by what happens to the terminal.Another solution to your problem would be to run
TAG : java
Date : November 10 2020, 03:01 PM , By : hari
Errors while compiling 99 bottles code in java
Errors while compiling 99 bottles code in java
hope this fix your issue I am a novice programmer in Java (or atleast trying to be one) and I am having some issues with my code. , Couple of changes to your code required:You can remove:
TAG : java
Date : November 10 2020, 03:01 PM , By : Biki Rose
Polylines are not showing between 2 Locations but Time and Distance is showing
Polylines are not showing between 2 Locations but Time and Distance is showing
hop of those help? I'm assuming that you need Route, Distance and Time. First Create these 3 classes.
TAG : java
Date : November 09 2020, 03:01 PM , By : S.Daniel
Mule/Groovy - List of Canonicals split to 3 more lists
Mule/Groovy - List of Canonicals split to 3 more lists
I wish this help you I have a list of canonical objects , Try this:
TAG : java
Date : November 09 2020, 03:01 PM , By : Tosko
Does hibernate OGM fully supports IBM Cloudant NoSQL database
Does hibernate OGM fully supports IBM Cloudant NoSQL database
hope this fix your issue I am wondering if Hibernate OGM is actually compatible with IBM cloudant No SQL database? , No, currently, there is not a dialect for it.
TAG : java
Date : November 09 2020, 03:01 PM , By : Sven
Java - Reading from File - Error "Exception in thread "main" java.util.NoSuchElementException: No line fo
Java - Reading from File - Error "Exception in thread "main" java.util.NoSuchElementException: No line fo
Any of those help I am writing a program that reads from a file titled "grades.txt" and displays the student's name, three grades, and the average of those three grades. The text file looks like this: , remove this line
TAG : java
Date : November 09 2020, 03:01 PM , By : Lauree Tu
How to customize or change Jenkins Web GUI (theme)?
How to customize or change Jenkins Web GUI (theme)?
I think the issue was by ths following , You have many options to have a diffent UI for Jenkins, I recommend you these options: Build a custom UI using your favorite frontend framework and integrating the frontend with Jenkins REST API. Use a theme f
TAG : java
Date : November 09 2020, 03:01 PM , By : Katie Jenkins
avoiding many if statements, code improvement
avoiding many if statements, code improvement
wish help you to fix your issue It seems that right now you have 20 authority columns in the database, and a User Model object with 20 fields, 20 getters, and 20 setter, and you need 20 if statements to build the List.To simplify that, I'd suggest st
TAG : java
Date : November 09 2020, 03:01 PM , By : user7452154
Monitor Java web-app using Prometheus
Monitor Java web-app using Prometheus
seems to work fine In order to register MetricsServlet:If you are using spring-boot register a bean to represent the end-point:
TAG : java
Date : November 09 2020, 03:01 PM , By : Madanimalscientist
How to get right to "Java" in control panel from cmd line in win7?
How to get right to "Java" in control panel from cmd line in win7?
This might help you win +r "control" , Try this:control "C:\Program Files\Java\jre\bin\javacpl.cpl"
TAG : java
Date : November 09 2020, 03:01 PM , By : Johan Wentzel
Error with soap requests on tomcat
Error with soap requests on tomcat
To fix this issue Problem is Solved. Tomcat just couldn't get jks file specified in System.setProperty() and I solved it by using java.security.KeyStore object. Here is my added method:
TAG : java
Date : November 09 2020, 03:01 PM , By : Galaxystar Hen
Java: routine for proper ETag quoting?
Java: routine for proper ETag quoting?
may help you . That's kind of misleading. The quotes are an integral part of the ETag, so there's no transition from "unquoted ETag" to "quoted ETag".If what you're after is a way to include characters not allowed in ETags, you'll just to invent a cu
TAG : java
Date : November 09 2020, 03:01 PM , By : Stefan Ruijsenaars
Register JavaTimeModule with the default objectmapper in springboot
Register JavaTimeModule with the default objectmapper in springboot
like below fixes the issue I found an existing link on how to customize the default objectMapper at Jackson2ObjectMapperBuilder enable field visibility ANY.I also found out the problem in my program. The JavaTimeModule is automatically registered wit
TAG : java
Date : November 09 2020, 03:01 PM , By : 小小五

shadow
Privacy Policy - Terms - Contact Us © voile276.org