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JAVA QUESTIONS

Traversing a Table & Clicking Links Within Using Selenium
Traversing a Table & Clicking Links Within Using Selenium
Does that help I am trying to traverse through a table using Selenium in Java (currently using the chromedriver). The content of the table consists of different people with links to their profiles, for each person in that table I will go into their p
TAG : java
Date : October 24 2020, 08:10 PM , By : user2172016
How to make a list of contents longer than the parent screen?
How to make a list of contents longer than the parent screen?
I hope this helps . The simpliest solution for you is to wrap your LinearLayout with ScrollView.
TAG : java
Date : October 24 2020, 08:10 PM , By : Martin Hu
How to get tools.jar for OpenJDK 11 on Windows?
How to get tools.jar for OpenJDK 11 on Windows?
fixed the issue. Will look into that further It was removed in JDK 9.JEP 220 removed the well-known and frequently-referenced JARs rt.jar and tools.jar. According to it's description, "The class and resource files previously stored in lib/rt.jar, lib
TAG : java
Date : October 24 2020, 08:10 AM , By : Molly Frazier
Java: HashMap Into Nested JSON Object
Java: HashMap Into Nested JSON Object
wish helps you Struggling to figure out how to create nested JSON based of a HashMap. Basically I have a List of HashMap, that has non unique key/value pairs. And I need to turn this List of HashMap into a unique JSON Object. , Solved this issue:
TAG : java
Date : October 24 2020, 08:10 AM , By : Faisal Maulana
addLast method for a deque with only one sentinel node
addLast method for a deque with only one sentinel node
Does that help Make the sentinel point to the last node: it will be null if the list is empty, otherwise, sentinel.next is the first node (because the list is circular). You don't need any backward link. So addLast would be:
TAG : java
Date : October 24 2020, 08:10 AM , By : user2172279
Oracle datetime which does not exist in SQL Server
Oracle datetime which does not exist in SQL Server
wish help you to fix your issue I couldn't find a format mask which matches what you want, to use with SQL Server's CONVERT function. But FORMAT seems to work fine here, assuming your version of SQL Server supports it:
TAG : java
Date : October 24 2020, 08:10 AM , By : user2172276
Thread's ThreadLocals cleaning
Thread's ThreadLocals cleaning
Hope that helps Both snippets clean ThreadLocals, but they have different approach. The longer snippet first get all thread ThreadLocals from ThreadLocalMap and call remove() method on them. You can use it only for the current thread, because remove(
TAG : java
Date : October 24 2020, 08:10 AM , By : K Hanchett
String index out of range: 0 Error For using RedirectAttributes in Spring Boot
String index out of range: 0 Error For using RedirectAttributes in Spring Boot
this will help I guess it is because you haven't pass any view name to redirect. Something like below:
TAG : java
Date : October 24 2020, 08:10 AM , By : wangjxxx
How to pass an array to POST API?
How to pass an array to POST API?
To fix the issue you can do In my Android application, I need to send an array as body (payload information) to a POST url. , I solved my problem using JSONArray and pass the array.
TAG : java
Date : October 24 2020, 08:10 AM , By : coolwasp
What is the spring-boot-configuration-processor ? Why do people exclude libraries from it? Why is it invisible in depend
What is the spring-boot-configuration-processor ? Why do people exclude libraries from it? Why is it invisible in depend
seems to work fine spring-boot-configuration-processor is an annotation processor that generates metadata about classes in your application that are annotated with @ConfigurationProperties. This metadata is used by your IDE (Eclipse, IntelliJ, or Net
TAG : java
Date : October 24 2020, 08:10 AM , By : liviur
concurrency in a single Processor instance and concurrentConsumers
concurrency in a single Processor instance and concurrentConsumers
With these it helps If the camel Route consume multiple message at the same time the Processor is assumed to be thread safe, because multiple consumer may use it at the same time.If you feel like that would impact too much on performance (due to poss
TAG : java
Date : October 23 2020, 08:10 PM , By : user2172535
indexOf + substring in Java
indexOf + substring in Java
help you fix your problem I am stuck concerning an exercise, the goal is to enter a name and recuperate the value from name. example (vanitoglo)
TAG : java
Date : October 23 2020, 08:10 PM , By : Jesse Simmons
TestNG.xml - New browser session does not open after first one is closed
TestNG.xml - New browser session does not open after first one is closed
it should still fix some issue Solved it. By mistake I was declaring the driver as null in the initBrowser function.
TAG : java
Date : October 23 2020, 08:10 PM , By : Ranbanka Rathod
How to deterministically map sequential integers to uniformly distributed doubles
How to deterministically map sequential integers to uniformly distributed doubles
around this issue Sure, you could use Linear Congruential Generator to do the mapping. Basically, LCG with proper parameters satisfying Hull–Dobell Theorem, uniquely maps any integer in [0...264) range into another one in the [0...264) range, good bi
TAG : java
Date : October 23 2020, 08:10 PM , By : Asep Saepuloh
Problem using oracle-serverjre:8 in dockerfile
Problem using oracle-serverjre:8 in dockerfile
should help you out Just type docker login then enter your credentials. No need to specify container-registry.oracle.com.
TAG : java
Date : October 23 2020, 08:10 PM , By : user2172480
PDF 'Itext User Agent' cache size and how to clear it
PDF 'Itext User Agent' cache size and how to clear it
Hope this helps Summary: The solution the OP probably used the one at the bottom no. (3): Disabling the cache via commandline parameter/config file.
TAG : java
Date : October 23 2020, 08:10 PM , By : user2172392
set proxy for firefox using sikuli in java
set proxy for firefox using sikuli in java
may help you . Sikuli works based on visual pattern matching. In order to do what you need, you have to: take a screenshot with the area of the screen you want to interact with (in your case the FoxyProxy icon in FF) Define an object of type Pattern
TAG : java
Date : October 23 2020, 08:10 PM , By : masoud
UnrecognizedPropertyException when using Jackson, @JsonIdentityInfo and @JsonDeserialize with a lombok Builder
UnrecognizedPropertyException when using Jackson, @JsonIdentityInfo and @JsonDeserialize with a lombok Builder
should help you out It fails when it's deserializing the @id field that was added by the @JsonIdentityInfo. You need to handle the @id field.Adding @JsonIgnoreProperties to your builder will stop it failing.
TAG : java
Date : October 23 2020, 08:10 AM , By : Michael Coros
Java Array containing reference to object
Java Array containing reference to object
this will help Reference is simply a number which JVM uses to identify and locate objects. When you do
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172663
How can I add bundled jars to my classpath in an Ant build task?
How can I add bundled jars to my classpath in an Ant build task?
it fixes the issue As mentioned by @greg-449, you will have to add all the required jars as part of classpath. Something like this :
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172660
cannot be cast to Java
cannot be cast to Java
wish helps you Darbuotojas cannot be cast to Programuotojas is pretty clear, and does not deal with int to String or String to intBecause you have Programuotojas extends Darbuotojas you could save a Programuotojas instance in a Darbuotojas object, bu
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172657
SseEmitter with proxy
SseEmitter with proxy
wish help you to fix your issue Which proxy do you use? Some proxies need special configurations (content-length, headers, etc.) to support SSE and some don't (like the AWS load balancer (at least last year)).
TAG : java
Date : October 23 2020, 08:10 AM , By : Abraham Grijalva
Microservices broadcast messages
Microservices broadcast messages
will help you You have to use fan out exchange. https://www.rabbitmq.com/tutorials/amqp-concepts.html
TAG : java
Date : October 23 2020, 08:10 AM , By : Reynan Jay Villagome
Unable log in to the index.html
Unable log in to the index.html
Hope this helps Type this url in your web browser:http://localhost:8080/hbs/
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172619
Simple Java 11 JavaFXprogram, Error when run from JAR file (Windows)
Simple Java 11 JavaFXprogram, Error when run from JAR file (Windows)
this one helps. You need to make sure that the modules javax.controls and javafx-graphics.jar are present on your modulepath instead of the classpath.
TAG : java
Date : October 23 2020, 08:10 AM , By : Junjun
randomly displaying circles within gridPane cells in javaFX
randomly displaying circles within gridPane cells in javaFX
Hope this helps Here is an example that demos how to shuffle Circles around in a GridPane. If you add the Circles to an ArrayList, you can remove the Circles from the GridPane. Then you can shuffle the List. Finally, you can add the shuffled list bac
TAG : java
Date : October 23 2020, 08:10 AM , By : Rehan Julaha
How to force client to implement multiple generic interfaces with same type
How to force client to implement multiple generic interfaces with same type
it should still fix some issue Lets say i have some generic interfaces , Disallow raw types.
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172571
Set transparent background on JList
Set transparent background on JList
wish help you to fix your issue I don't think that you want to do this sort of change within the cell renderer since that is responsible for drawing the list cells, which are not opaque by default, and not the JList itself.Instead why not simply give
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172555
How to print the Execution Plan for batch processing in Flink?
How to print the Execution Plan for batch processing in Flink?
like below fixes the issue The plan should be printed if you remove the print() calls. print() also triggers an execution.
TAG : java
Date : October 23 2020, 08:10 AM , By : user2172549
How to specify which version of a concrete implementation for an abstract class to autowire in Spring?
How to specify which version of a concrete implementation for an abstract class to autowire in Spring?
will help you Remove the @Service annotation, instead write a @Bean-annotated method in a configuration class that reads the properties, and returns the appropriate A instance.
TAG : java
Date : October 22 2020, 08:10 PM , By : Poul
Regular expression get the third element from a string
Regular expression get the third element from a string
hop of those help? You don't need look behind or look ahead, instead just use this simple regex,
TAG : java
Date : October 22 2020, 08:10 PM , By : Tatenda Simbarasi Ts
How do I use client certificates in a client java application?
How do I use client certificates in a client java application?
it fixes the issue In order to load your certificates into your application your will need to package them into a truststore.Creating a truststore
TAG : java
Date : October 22 2020, 08:10 PM , By : ippy
Allow dashes in email validations
Allow dashes in email validations
Hope this helps I have this email validation regex , You can just append - in the first square brackets.
TAG : java
Date : October 22 2020, 08:10 PM , By : Anjali
Unable to display Json data
Unable to display Json data
To fix this issue JSON parsing is OK but you can't retrieve your data like this because you used Volley in asynchronous mode. It means that you can't assume that data will be retrieved as soon as you put the request in the queue. Maybe the queue is v
TAG : java
Date : October 22 2020, 08:10 PM , By : Mohammad Mohammadi
Add constraints to lines in javaFX
Add constraints to lines in javaFX
this will help Here is an example. This example does not use Circle.setTranslate. It uses Circle.setCenter. It also uses Math.hypot to keep track of the Line length. If the line length becomes greater than or equal to 100, the change in the shape mov
TAG : java
Date : October 22 2020, 08:10 PM , By : Mohammad Mehrabi
How do you include a classpath wildcard as an argument to a java bash call?
How do you include a classpath wildcard as an argument to a java bash call?
seems to work fine I'm trying to create a bash script that will build a list of arguments before calling java, but I am having trouble getting a classpath argument with a wild card to work. The script so far: , You should use an array with proper quo
TAG : java
Date : October 22 2020, 08:10 PM , By : Krishna Pal
How to use classes from one project on another project in java?
How to use classes from one project on another project in java?
Does that help To use a class of another project you can: import the jar containing the class using a maven dependency import the jar containing the class using a gradle dependency import the jar containing the class adding it in the classpath manual
TAG : java
Date : October 22 2020, 08:10 AM , By : Srinivasan Ab
How to parse a column that has a custom json format from a spark DataFrame
How to parse a column that has a custom json format from a spark DataFrame
hop of those help? I don't see any simple way to parse this input easily. You need to break the string and construct the json using a udf. Check this out:
TAG : java
Date : October 22 2020, 08:10 AM , By : VBPatient
How to parse entire DOM elements and follow changes in DOM using selenium webdriver in java
How to parse entire DOM elements and follow changes in DOM using selenium webdriver in java
I wish this help you You would need to write the HTML to a text file in a specific location. When a test runs, it would check that location for the expected filename. If it doesn't exist, it's the first time the test was run and it would save the HTM
TAG : java
Date : October 22 2020, 08:10 AM , By : Malgorzata Czarnecka
java set object field equal another field upon instantation
java set object field equal another field upon instantation
wish help you to fix your issue Generally, Java-JSON mapping libraries invoke the no arg constructor to unserialize a JSON object into a Java Object.According to the libraries you use you could use a way to set the fields from the arg constructor.
TAG : java
Date : October 22 2020, 08:10 AM , By : user2173012
Java Threads Object Lock
Java Threads Object Lock
will be helpful for those in need There will be two locks, subject1.o and subject2.o ..., which means both methods will run independently and at the same time.
TAG : java
Date : October 22 2020, 08:10 AM , By : user2172946
Euro Currency getting Question mark?
Euro Currency getting Question mark?
will help you You should use UTF-8 encoding to avoid this problem.Check this answer to know how to do it.
TAG : java
Date : October 22 2020, 08:10 AM , By : Rai Sonu
Running out of pools using CompleteableFuture and Spring Transaction
Running out of pools using CompleteableFuture and Spring Transaction
wish helps you If you want to have each loadPartition run on it's own thread and in it's own transaction, you'll need to: Mark loadPartition as @Transactional Invoke the proxied loadPartition method so that the @Transactional works. You can do this e
TAG : java
Date : October 22 2020, 08:10 AM , By : Jamey Diepbrink
Drools can not use a generic type for a function's parameter in DRL
Drools can not use a generic type for a function's parameter in DRL
around this issue Seems like you need to not mention what your ArrayList uses in the parameters. The following example works fine for me (it's an ArrayList of a custom Object) :
TAG : java
Date : October 22 2020, 08:10 AM , By : user2172902
Create a new ArrayList with all the elements of another ArrayList except one in one line of code
Create a new ArrayList with all the elements of another ArrayList except one in one line of code
this will help I would love to do this in one line: , The simplest way is to use subList:
TAG : java
Date : October 21 2020, 08:10 PM , By : coplo
log4j could not create log file in spring boot resti api
log4j could not create log file in spring boot resti api
I hope this helps you . If you have the following dependency in your pom.xml then spring-boot will use its own default logging (logback) which is embedded within this dependency (you can check in your IDE on dependency hierarchy tab):
TAG : java
Date : October 21 2020, 08:10 PM , By : Sidik Ma'ruf Ali
Android BLE discovery issue
Android BLE discovery issue
To fix this issue I solved my problem by following the suggestions in this link: https://stackoverflow.com/a/42267678/7006955I add to my code all the code suggested and it works fine also in Android 4
TAG : java
Date : October 21 2020, 08:10 PM , By : balk
Adding Java final keyword to working method that builds instances inside a loop
Adding Java final keyword to working method that builds instances inside a loop
Hope this helps To expand on my comment, you could convert your example code more or less mechanically, like so:
TAG : java
Date : October 21 2020, 08:10 PM , By : Irma Pees
Using Java Streams to group together a List of objects by an attribute and reduce them to a new list of object with the
Using Java Streams to group together a List of objects by an attribute and reduce them to a new list of object with the
I wish did fix the issue. it seems as if you want a List as a result where each group after the groupingBy is reduced into a single SensorSample.
TAG : java
Date : October 21 2020, 08:10 PM , By : MNClb
Java - Sort - Variable comparator
Java - Sort - Variable comparator
hop of those help? If all "keys" will be linked to getter methods, you can have a static mapping of key/getter that you use in a function:Note: we'll have to use raw type Comparable as we can't use different Functions (even if all getters will return
TAG : java
Date : October 21 2020, 08:10 PM , By : user2173106
Parse xml file, rename tag and save it again
Parse xml file, rename tag and save it again
Any of those help I have a pretty big xml file and need to change some of it, this is a snippet of how it looks , Use this in your stylesheet file:
TAG : java
Date : October 21 2020, 08:10 PM , By : sudheendra Hebbar
My pig dice game in JAVA won't save each player's score and the game doesn't stop even after reaching the score
My pig dice game in JAVA won't save each player's score and the game doesn't stop even after reaching the score
With these it helps There is a logical flaw in your program. You are calling your roll function with a score = 0 as your parameter.
TAG : java
Date : October 21 2020, 08:10 PM , By : Mazaloo
is unsafe to copy a three-dimensional array using Arraylist?
is unsafe to copy a three-dimensional array using Arraylist?
will be helpful for those in need Both val and val2 point to the same object in memory even after you've cloned the first list into the second.You can prove this with:
TAG : java
Date : October 21 2020, 08:10 PM , By : user2173038
Whitelabel Error Page instead of specific jsp page
Whitelabel Error Page instead of specific jsp page
This might help you I have seen several Questions about this problem and I haven't solved this problem yet: , You have need to add following dependency into your pom
TAG : java
Date : October 21 2020, 08:10 AM , By : user2173391
Java. Remove a row from a matrix (array)
Java. Remove a row from a matrix (array)
Any of those help Okay so I wrote this code with my friend's help to "remove the row" of a matrix, but I don't really understand whats going on with the "for" , can someone explain to me why it's done that way? , Picture the Array:
TAG : java
Date : October 21 2020, 08:10 AM , By : Visakh
Trying to use listFiles() function, but array of files is empty, Java, Andriod Studio
Trying to use listFiles() function, but array of files is empty, Java, Andriod Studio
hop of those help? You should always place your media files inside raw or assets dir of android.I will be giving an example of assets Create a folder called asset in your app level directory and place this code
TAG : java
Date : October 21 2020, 08:10 AM , By : user2173371
Continue sleeping for remaining time when thread is interrupted
Continue sleeping for remaining time when thread is interrupted
I think the issue was by ths following , If I understood correctly you want to handle the InterruptedException in such way to unsure a delay before executing sendRequest. Well, since the InterruptedException happens when something calls interrupt() o
TAG : java
Date : October 21 2020, 08:10 AM , By : Rob
Android Studio SQLite database creation does not work?
Android Studio SQLite database creation does not work?
should help you out Maybe while you were making changes to various names, you forgot this:
TAG : java
Date : October 21 2020, 08:10 AM , By : user2173277
Exporting a lazily initialized bean (which implements SelfNaming and is annotated with ManagedResource annotation) gives
Exporting a lazily initialized bean (which implements SelfNaming and is annotated with ManagedResource annotation) gives
it helps some times It's possibly a bug; injectNotificationPublisherIfNecessary only takes any action if your class also implements NotificationPublisherAware.This would be invalid since we don't have an objectName, yet, because the bean is lazy and
TAG : java
Date : October 21 2020, 08:10 AM , By : R K
Java Regex OR operator not working properly
Java Regex OR operator not working properly
it helps some times I have this Strings : , You may use
TAG : java
Date : October 21 2020, 08:10 AM , By : João Paulo Costa Lou

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